emu51.cpp 74 KB

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  1. typedef unsigned char BYTE;
  2. typedef unsigned short int WORD;
  3. #include <stdio.h>
  4. #define USE_CONSOLE
  5. #include "allegro.h"
  6. #include <string.h>
  7. #include <stdlib.h>
  8. FONT *mainf;
  9. #include "gui.h"
  10. int white, red, lred, green, blue;
  11. #define bit0 0x01
  12. #define bit1 0x02
  13. #define bit2 0x04
  14. #define bit3 0x08
  15. #define bit4 0x10
  16. #define bit5 0x20
  17. #define bit6 0x40
  18. #define bit7 0x80
  19. unsigned long c_time = 0;
  20. BYTE SFR[0x100]; // internal memory and sfr area 256 bytes
  21. BYTE EXT_RAM[0x10000]; // external memory 64kB
  22. BYTE EXT_PMEM[0x10000]; // external memory 64kB for program
  23. BYTE *Acc = &SFR[0xe0]; // 8-bit accumlator
  24. WORD *DPTR = (WORD *) &SFR[0x82]; // 16-bit register
  25. BYTE *DPH = &SFR[0x83]; // high byte of DPTR
  26. BYTE *DPL = &SFR[0x82]; // low byte of DPTR
  27. BYTE *B = &SFR[0xf0]; // B register
  28. BYTE *SP = &SFR[0x81]; // Stack Pointer
  29. BYTE *PSW = &SFR[0xd0]; // Program Status Word
  30. BYTE *P0 = &SFR[0x80]; // 1st Port
  31. BYTE *P1 = &SFR[0x90]; // 2nd Port
  32. BYTE *P2 = &SFR[0xa0]; // 3rd Port
  33. BYTE *P3 = &SFR[0xb0]; // 4th port
  34. BYTE *SBUF = &SFR[0x99]; // Serial transmission Buffer
  35. BYTE *IE = &SFR[0xa8]; // Int Enable
  36. BYTE *SCON = &SFR[0x98]; // Serial Control
  37. BYTE *TH1 = &SFR[0x8d]; // Timer1 High
  38. BYTE *TH0 = &SFR[0x8c]; // Timer0 High
  39. BYTE *TL1 = &SFR[0x8b]; // Timer1 Low
  40. BYTE *TL0 = &SFR[0x8a]; // Timer0 Low
  41. BYTE *TMOD = &SFR[0x89]; // Timer Mode
  42. BYTE *TCON = &SFR[0x88]; // Timer Control
  43. BYTE *PCON = &SFR[0x87]; // Power Control
  44. BYTE *R = &SFR[0x00]; // Additional 8 Rx Registers
  45. WORD PC = 0x0000; // Progam Counter
  46. // initialize the emulator
  47. void init_8051(void)
  48. {
  49. int i;
  50. c_time = 0; // cycles counter
  51. for ( i = 0 ; i < 256 ; i++ )
  52. {
  53. SFR[i] = 0xA5; // all regs in internal RAM & SFR
  54. }
  55. *P0 = 0xff; //
  56. *P1 = 0xff; //
  57. *P2 = 0xff; // Some SFR registers
  58. *P3 = 0xff; // and Program Counter
  59. PC = 0x0000; //
  60. *SP = 0x07; //
  61. }
  62. // 1 or 0
  63. BYTE check_C(void)
  64. {
  65. if ( *PSW & bit7 )
  66. {
  67. return 1;
  68. }
  69. else
  70. {
  71. return 0;
  72. }
  73. }
  74. // 1 or 0
  75. BYTE check_AC(void)
  76. {
  77. if ( *PSW & bit6 )
  78. {
  79. return 1;
  80. }
  81. else
  82. {
  83. return 0;
  84. }
  85. }
  86. // 1 or 0
  87. BYTE check_OV(void)
  88. {
  89. if ( *PSW & bit2 )
  90. {
  91. return 1;
  92. }
  93. else
  94. {
  95. return 0;
  96. }
  97. }
  98. // C <- 1
  99. void set_C(void)
  100. {
  101. *PSW = *PSW | bit7;
  102. }
  103. // AC <- 1
  104. void set_AC(void)
  105. {
  106. *PSW = *PSW | bit6;
  107. }
  108. // OV <- 1
  109. void set_OV(void)
  110. {
  111. *PSW = *PSW | bit2;
  112. }
  113. // C <- 0
  114. void clr_C(void)
  115. {
  116. *PSW = *PSW & 0x7f;
  117. }
  118. // AC <- 0
  119. void clr_AC(void)
  120. {
  121. *PSW = *PSW & 0xbf;
  122. }
  123. // OV <- 0
  124. void clr_OV(void)
  125. {
  126. *PSW = *PSW & 0xfb;
  127. }
  128. // 1 or 0
  129. BYTE check_P(void)
  130. {
  131. if ( *PSW & bit0 )
  132. {
  133. return 1;
  134. }
  135. else
  136. {
  137. return 0;
  138. }
  139. }
  140. // P <- 1
  141. void set_P(void)
  142. {
  143. *PSW = *PSW | bit0;
  144. }
  145. // P <- 0
  146. void clr_P(void)
  147. {
  148. *PSW = *PSW & 0xfe;
  149. }
  150. // (bit) <- 1
  151. void setB(BYTE bit)
  152. {
  153. BYTE tmpB;
  154. BYTE tmpbit;
  155. tmpbit = bit & 0x07;
  156. tmpB = bit & 0xf8;
  157. if ( bit >= 128 )
  158. {
  159. // bit set in SFR area
  160. SFR[tmpB] = SFR[tmpB] | ( 1 << tmpbit );
  161. }
  162. else
  163. {
  164. // bit set in int. RAM
  165. tmpB = ( tmpB >> 3 ) + 32;
  166. SFR[tmpB] = SFR[tmpB] | ( 1 << tmpbit );
  167. }
  168. }
  169. // (bit) <- 0
  170. void clrB(BYTE bit)
  171. {
  172. BYTE tmpB;
  173. BYTE tmpbit;
  174. tmpbit = bit & 0x07;
  175. tmpB = bit & 0xf8;
  176. if ( bit >= 128 )
  177. {
  178. // bit clear in SFR area
  179. SFR[tmpB] = SFR[tmpB] & ~( 1 << tmpbit );
  180. }
  181. else
  182. {
  183. // bit clear in int. RAM
  184. tmpB = ( tmpB >> 3 ) + 32;
  185. SFR[tmpB] = SFR[tmpB] & ~( 1 << tmpbit );
  186. }
  187. }
  188. // returns (bit) 1 or 0
  189. BYTE checkB(BYTE bit)
  190. {
  191. BYTE tmpB;
  192. BYTE tmpbit;
  193. tmpbit = bit & 0x07;
  194. tmpB = bit & 0xf8;
  195. if ( bit >= 128 )
  196. {
  197. // bit check in SFR area
  198. if ( SFR[tmpB] & 1 << tmpbit )
  199. {
  200. return 1;
  201. }
  202. else
  203. {
  204. return 0;
  205. }
  206. }
  207. else
  208. {
  209. // bit check in int. RAM
  210. tmpB = ( tmpB >> 3 ) + 32;
  211. if ( SFR[tmpB] & 1 << tmpbit )
  212. {
  213. return 1;
  214. }
  215. else
  216. {
  217. return 0;
  218. }
  219. }
  220. }
  221. BYTE check_RS0(void)
  222. {
  223. if ( *PSW & bit3 )
  224. {
  225. return 1;
  226. }
  227. else
  228. {
  229. return 0;
  230. }
  231. }
  232. void set_RS0(void)
  233. {
  234. *PSW = *PSW | bit3;
  235. }
  236. void clr_RS0(void)
  237. {
  238. *PSW = *PSW & 0xf7;
  239. }
  240. BYTE check_RS1(void)
  241. {
  242. if ( *PSW & bit4 )
  243. {
  244. return 1;
  245. }
  246. else
  247. {
  248. return 0;
  249. }
  250. }
  251. void set_RS1(void)
  252. {
  253. *PSW = *PSW | bit4;
  254. }
  255. void clr_RS1(void)
  256. {
  257. *PSW = *PSW & 0xef;
  258. }
  259. // 8051 assembler macros
  260. inline void _add(BYTE &a, BYTE &b)
  261. {
  262. int tmp1, tmp2;
  263. (( 0xf & a ) + ( 0xf & b )) > 0xf ? set_AC() : clr_AC();
  264. tmp1 = (( 0x7f & a ) + ( 0x7f & b )) > 0x7f ? 1 : 0;
  265. ( tmp2 = a + b ) > 0xff ? ( set_C(), tmp1 ? clr_OV() : set_OV()) : ( clr_C(), tmp1 ? set_OV() : clr_OV());
  266. a = (BYTE) tmp2 & 0xff;
  267. }
  268. inline void _addc(BYTE &a, BYTE &b)
  269. {
  270. int tmp1, tmp2, c;
  271. c = check_C();
  272. (( 0xf & a ) + ( 0xf & b + c )) > 0xf ? set_AC() : clr_AC();
  273. tmp1 = (( 0x7f & a ) + ( 0x7f & b ) + c ) > 0x7f ? 1 : 0;
  274. ( tmp2 = a + b + c ) > 0xff ? ( set_C(), tmp1 ? clr_OV() : set_OV()) : ( clr_C(), tmp1 ? set_OV() : clr_OV());
  275. a = (BYTE) tmp2 & 0xff;
  276. }
  277. inline void _subb(BYTE &a, BYTE &b)
  278. {
  279. int tmp1, tmp2, c;
  280. c = check_C();
  281. ((char) ( 0xf & a ) - (char) ( 0xf & b ) - c ) < 0 ? set_AC() : clr_AC();
  282. tmp1 = ((char) ( 0x7f & a ) - (char) ( 0x7f & b ) - c ) < 0 ? 1 : 0;
  283. (char) ( tmp2 = a - b - c ) < 0 ? ( set_C(), tmp1 ? clr_OV() : set_OV()) : ( clr_C(), tmp1 ? set_OV() : clr_OV());
  284. a = (BYTE) tmp2 & 0xff;
  285. }
  286. BYTE *ram = EXT_RAM, *prog = EXT_PMEM;
  287. class code_51
  288. {
  289. public:
  290. char mnem[6]; // instruction mnemonic (2-4 characters)
  291. BYTE code; // instruction code
  292. BYTE lenght; // bytes which are needed to write this instruction into memory
  293. BYTE cycles; // time unit
  294. char display_string[20]; // string which is ready for displaying, it's made by make_ds(WORD) method
  295. char datas[12]; // string which contains datas which will be displayed after mnemonic
  296. void make_ds(WORD); // make display string
  297. void process(); // process the instruction
  298. };
  299. void code_51::make_ds(WORD ram_pl)
  300. {
  301. int c, i;
  302. char tmp[3], tmpW[5];
  303. display_string[0] = mnem[0];
  304. display_string[1] = mnem[1];
  305. display_string[2] = ( mnem[2] >= 0x61 && mnem[2] <= 0x7a ) ? mnem[2] : (char) 32;
  306. display_string[3] = ( mnem[3] >= 0x61 && mnem[3] <= 0x7a ) ? mnem[3] : (char) 32;
  307. display_string[4] = ( mnem[4] >= 0x61 && mnem[4] <= 0x7a ) ? mnem[4] : (char) 32;
  308. display_string[5] = (char) 32;
  309. for ( c = 0 ; c <= 10 ; c++ )
  310. {
  311. if ( datas[c] != '%' )
  312. {
  313. if ( datas[c] == 'O' && datas[c + 1] == '%' )
  314. {
  315. if ( datas[c + 2] == '1' )
  316. {
  317. sprintf(tmpW, "%4x", (signed char) prog[ram_pl + 1] + ram_pl + 2);
  318. for ( i = 0 ; i < 4 ; i++ )
  319. {
  320. display_string[c + 6 + i] = ( tmpW[i] == ' ' ) ? '0' : tmpW[i];
  321. }
  322. }
  323. if ( datas[c + 2] == '2' )
  324. {
  325. sprintf(tmpW, "%4x", (signed char) prog[ram_pl + 2] + ram_pl + 3);
  326. for ( i = 0 ; i < 4 ; i++ )
  327. {
  328. display_string[c + 6 + i] = ( tmpW[i] == ' ' ) ? '0' : tmpW[i];
  329. }
  330. }
  331. c += 3;
  332. }
  333. else
  334. {
  335. display_string[c + 6] = datas[c];
  336. }
  337. }
  338. else
  339. {
  340. if ( datas[c + 1] == '1' )
  341. {
  342. sprintf(tmp, "%2x", prog[ram_pl + 1]);
  343. for ( i = 0 ; i < 2 ; i++ )
  344. {
  345. display_string[c + 6 + i] = tmp[i] == ' ' ? '0' : tmp[i];
  346. }
  347. }
  348. if ( datas[c + 1] == '2' )
  349. {
  350. sprintf(tmp, "%2x", prog[ram_pl + 2]);
  351. for ( i = 0 ; i < 2 ; i++ )
  352. {
  353. display_string[c + 6 + i] = tmp[i] == ' ' ? '0' : tmp[i];
  354. }
  355. }
  356. c++;
  357. }
  358. }
  359. }
  360. void code_51::process(void)
  361. {
  362. BYTE tmpB;
  363. WORD tmpW;
  364. switch ( code )
  365. {
  366. case 0x00: //nop 00
  367. PC++;
  368. break;
  369. case 0x74: // mov a,#(byte) 74 xx
  370. PC++;
  371. *Acc = prog[PC];
  372. PC++;
  373. break;
  374. case 0x75: // mov (adress),#(byte) 75 xx yy
  375. PC++;
  376. SFR[prog[PC]] = prog[PC + 1];
  377. PC += 2;
  378. break;
  379. case 0x02: // ljmp 16bit_adres 02 xx yy
  380. PC++;
  381. PC = (WORD) prog[PC] << 8 | prog[PC + 1];
  382. break;
  383. case 0x80: // sjmp offset 80 oo
  384. PC++;
  385. PC += (signed char) prog[PC] + 1;
  386. break;
  387. case 0x85: // mov (adress1),(ardess2) 85 yy xx
  388. PC++;
  389. SFR[prog[PC + 1]] = SFR[prog[PC]];
  390. PC += 2;
  391. break;
  392. case 0xe5: // mov A,(adress)
  393. PC++;
  394. *Acc = SFR[prog[PC]];
  395. PC++;
  396. break;
  397. case 0x92: // mov (bit),C
  398. PC++;
  399. if ( check_C())
  400. {
  401. setB(prog[PC]);
  402. }
  403. else
  404. {
  405. clrB(prog[PC]);
  406. }
  407. PC++;
  408. break;
  409. /* 2003-12-04 : Added */
  410. case 0xA2: // mov C,(bit)
  411. PC++;
  412. if ( checkB(EXT_RAM[PC]))
  413. {
  414. set_C();
  415. }
  416. else
  417. {
  418. clr_C();
  419. }
  420. PC++;
  421. break;
  422. /* End Added */
  423. case 0x04: // inc a
  424. ( *Acc )++;
  425. PC++;
  426. break;
  427. case 0x05: // inc (adress)
  428. PC++;
  429. SFR[prog[PC]]++;
  430. PC++;
  431. break;
  432. case 0xa3: // inc DPTR
  433. *DPTR = *DPTR + 1;
  434. PC++;
  435. break;
  436. case 0x06: //inc @R0
  437. SFR[R[0]]++;
  438. PC++;
  439. break;
  440. case 0x07: //inc @R1
  441. SFR[R[1]]++;
  442. PC++;
  443. break;
  444. case 0x08: //inc R0
  445. R[0]++;
  446. PC++;
  447. break;
  448. case 0x09: //inc R1
  449. R[1]++;
  450. PC++;
  451. break;
  452. case 0x0a: //inc R2
  453. R[2]++;
  454. PC++;
  455. break;
  456. case 0x0b: //inc R3
  457. R[3]++;
  458. PC++;
  459. break;
  460. case 0x0c: //inc R4
  461. R[4]++;
  462. PC++;
  463. break;
  464. case 0x0d: //inc R5
  465. R[5]++;
  466. PC++;
  467. break;
  468. case 0x0e: //inc R6
  469. R[6]++;
  470. PC++;
  471. break;
  472. case 0x0f: //inc R7
  473. R[7]++;
  474. PC++;
  475. break;
  476. case 0x14: //dec A
  477. *Acc = *Acc - 1;
  478. PC++;
  479. break;
  480. case 0x15: //dec (adress)
  481. PC++;
  482. SFR[prog[PC]]--;
  483. PC++;
  484. break;
  485. case 0x16: //dec @R0
  486. SFR[R[0]]--;
  487. PC++;
  488. break;
  489. case 0x17: //dec @R1
  490. SFR[R[1]]--;
  491. PC++;
  492. break;
  493. case 0x18: // dec R0
  494. R[0]--;
  495. PC++;
  496. break;
  497. case 0x19: // dec R1
  498. R[1]--;
  499. PC++;
  500. break;
  501. case 0x1a: // dec R2
  502. R[2]--;
  503. PC++;
  504. break;
  505. case 0x1b: // dec R3
  506. R[3]--;
  507. PC++;
  508. break;
  509. case 0x1c: // dec R4
  510. R[4]--;
  511. PC++;
  512. break;
  513. case 0x1d: // dec R5
  514. R[5]--;
  515. PC++;
  516. break;
  517. case 0x1e: // dec R6
  518. R[6]--;
  519. PC++;
  520. break;
  521. case 0x1f: // dec R7
  522. R[7]--;
  523. PC++;
  524. break;
  525. case 0x84: // div AB
  526. clr_C();
  527. if ( *B != 0 )
  528. {
  529. tmpB = *Acc;
  530. *Acc = tmpB / *B;
  531. *B = tmpB % *B;
  532. }
  533. else
  534. {
  535. set_OV();
  536. }
  537. PC++;
  538. break;
  539. case 0xa4: // mul AB
  540. tmpW = (WORD) *Acc * (WORD) *B;
  541. if ( tmpW > 255 )
  542. {
  543. set_OV();
  544. }
  545. else
  546. {
  547. clr_OV();
  548. }
  549. *B = (BYTE) tmpW >> 8;
  550. *Acc = (BYTE) ( tmpW & 0xff );
  551. PC++;
  552. break;
  553. case 0x23: // rl A
  554. tmpB = *Acc;
  555. *Acc = tmpB << 1 | tmpB >> 7;
  556. PC++;
  557. break;
  558. case 0x03: // rr A
  559. tmpB = *Acc;
  560. *Acc = tmpB >> 1 | tmpB << 7;
  561. PC++;
  562. break;
  563. case 0x33: // rlc A
  564. tmpB = *Acc;
  565. *Acc = tmpB << 1 | check_C();
  566. if ( tmpB & 0x80 )
  567. {
  568. set_C();
  569. }
  570. else
  571. {
  572. clr_C();
  573. }
  574. PC++;
  575. break;
  576. case 0x13: // rrc A
  577. tmpB = *Acc;
  578. *Acc = tmpB >> 1 | check_C() << 7;
  579. if ( tmpB & 0x01 )
  580. {
  581. set_C();
  582. }
  583. else
  584. {
  585. clr_C();
  586. }
  587. PC++;
  588. break;
  589. case 0x90: // mov DPTR,#(16-bit data)
  590. PC++;
  591. *DPH = prog[PC];
  592. PC++;
  593. *DPL = prog[PC];
  594. PC++;
  595. break;
  596. case 0xf5: // mov (adress),A
  597. PC++;
  598. SFR[prog[PC]] = *Acc;
  599. PC++;
  600. break;
  601. // ADD (full functional)
  602. case 0x24: // add A,#(data)
  603. PC++;
  604. _add(*Acc, prog[PC]);
  605. PC++;
  606. break;
  607. case 0x25: // add A,(adres)
  608. PC++;
  609. _add(*Acc, SFR[prog[PC]]);
  610. PC++;
  611. break;
  612. case 0x26: // add A,@R0
  613. _add(*Acc, SFR[R[0]]);
  614. PC++;
  615. break;
  616. case 0x27: // add A,@R1
  617. _add(*Acc, SFR[R[1]]);
  618. PC++;
  619. break;
  620. case 0x28: //add A,R0
  621. _add(*Acc, R[0]);
  622. PC++;
  623. break;
  624. case 0x29: //add A,R1
  625. _add(*Acc, R[1]);
  626. PC++;
  627. break;
  628. case 0x2a: //add A,R2
  629. _add(*Acc, R[2]);
  630. PC++;
  631. break;
  632. case 0x2b: //add A,R3
  633. _add(*Acc, R[3]);
  634. PC++;
  635. break;
  636. case 0x2c: //add A,R4
  637. _add(*Acc, R[4]);
  638. PC++;
  639. break;
  640. case 0x2d: //add A,R5
  641. _add(*Acc, R[5]);
  642. PC++;
  643. break;
  644. case 0x2e: //add A,R6
  645. _add(*Acc, R[6]);
  646. PC++;
  647. break;
  648. case 0x2f: //add A,R7
  649. _add(*Acc, R[7]);
  650. PC++;
  651. break;
  652. // ADDC
  653. case 0x34: // addc A,#(data)
  654. PC++;
  655. _addc(*Acc, prog[PC]);
  656. PC++;
  657. break;
  658. case 0x35: // addc A,(adres)
  659. PC++;
  660. _addc(*Acc, SFR[prog[PC]]);
  661. PC++;
  662. break;
  663. case 0x36: // addc A,@R0
  664. _addc(*Acc, SFR[R[0]]);
  665. PC++;
  666. break;
  667. case 0x37: // addc A,@R1
  668. _addc(*Acc, SFR[R[1]]);
  669. PC++;
  670. break;
  671. case 0x38: //addc A,R0
  672. _addc(*Acc, R[0]);
  673. PC++;
  674. break;
  675. case 0x39: //addc A,R1
  676. _addc(*Acc, R[1]);
  677. PC++;
  678. break;
  679. case 0x3a: //addc A,R2
  680. _addc(*Acc, R[2]);
  681. PC++;
  682. break;
  683. case 0x3b: //addc A,R3
  684. _addc(*Acc, R[3]);
  685. PC++;
  686. break;
  687. case 0x3c: //addc A,R4
  688. _addc(*Acc, R[4]);
  689. PC++;
  690. break;
  691. case 0x3d: //addc A,R5
  692. _addc(*Acc, R[5]);
  693. PC++;
  694. break;
  695. case 0x3e: //addc A,R6
  696. _addc(*Acc, R[6]);
  697. PC++;
  698. break;
  699. case 0x3f: //addc A,R7
  700. _addc(*Acc, R[7]);
  701. PC++;
  702. break;
  703. case 0xe0: // movx A,@DPTR
  704. *Acc = ram[*DPTR];
  705. PC++;
  706. break;
  707. case 0xf0: // movx @DPTR,A
  708. ram[*DPTR] = *Acc;
  709. PC++;
  710. break;
  711. case 0xc0: // push (adress)
  712. *SP = *SP + 1;
  713. PC++;
  714. SFR[*SP] = SFR[prog[PC]];
  715. PC++;
  716. break;
  717. case 0xd0: // pop (adress)
  718. PC++;
  719. SFR[prog[PC]] = SFR[*SP];
  720. *SP = *SP - 1;
  721. PC++;
  722. break;
  723. case 0xc3: // clr C
  724. clr_C();
  725. PC++;
  726. break;
  727. case 0xd3: // setb C
  728. set_C();
  729. PC++;
  730. break;
  731. case 0xd2: // setb (bit)
  732. PC++;
  733. setB(prog[PC]);
  734. PC++;
  735. break;
  736. case 0xc2: // clr (bit)
  737. PC++;
  738. clrB(prog[PC]);
  739. PC++;
  740. break;
  741. case 0x62: // xrl (adress),A
  742. PC++;
  743. SFR[prog[PC]] = SFR[prog[PC]] ^ ( *Acc );
  744. PC++;
  745. break;
  746. case 0x63: // xrl (adress),#(data)
  747. PC++;
  748. SFR[prog[PC]] ^= prog[PC + 1];
  749. PC += 2;
  750. break;
  751. case 0x64: // xrl A,#(data)
  752. PC++;
  753. *Acc = *Acc ^ prog[PC];
  754. PC++;
  755. break;
  756. case 0x65: // xrl A,(adress)
  757. PC++;
  758. *Acc = *Acc ^ SFR[prog[PC]];
  759. PC++;
  760. break;
  761. case 0x66: // xrl A,@R0
  762. *Acc = *Acc ^ SFR[R[0]];
  763. PC++;
  764. break;
  765. case 0x67: // xrl A,@R1
  766. *Acc = *Acc ^ SFR[R[1]];
  767. PC++;
  768. break;
  769. case 0x68: // xrl A,R0
  770. *Acc = ( *Acc ) ^ R[0];
  771. PC++;
  772. break;
  773. case 0x69: // xrl A,R1
  774. *Acc = ( *Acc ) ^ R[1];
  775. PC++;
  776. break;
  777. case 0x6a: // xrl A,R2
  778. *Acc = ( *Acc ) ^ R[2];
  779. PC++;
  780. break;
  781. case 0x6b: // xrl A,R3
  782. *Acc = ( *Acc ) ^ R[3];
  783. PC++;
  784. break;
  785. case 0x6c: // xrl A,R4
  786. *Acc = ( *Acc ) ^ R[4];
  787. PC++;
  788. break;
  789. case 0x6d: // xrl A,R5
  790. *Acc = ( *Acc ) ^ R[5];
  791. PC++;
  792. break;
  793. case 0x6e: // xrl A,R6
  794. *Acc = ( *Acc ) ^ R[6];
  795. PC++;
  796. break;
  797. case 0x6f: // xrl A,R7
  798. *Acc = ( *Acc ) ^ R[7];
  799. PC++;
  800. break;
  801. case 0xc5: // xch A,(adress)
  802. PC++;
  803. tmpB = *Acc;
  804. *Acc = SFR[prog[PC]];
  805. SFR[prog[PC]] = tmpB;
  806. PC++;
  807. break;
  808. case 0xc6: // xch A,@R0
  809. tmpB = *Acc;
  810. *Acc = SFR[R[0]];
  811. SFR[R[0]] = tmpB;
  812. PC++;
  813. break;
  814. case 0xc7: // xch A,@R1
  815. tmpB = *Acc;
  816. *Acc = SFR[R[1]];
  817. SFR[R[1]] = tmpB;
  818. PC++;
  819. break;
  820. case 0xc8: // xch A,R0
  821. tmpB = *Acc;
  822. *Acc = R[0];
  823. R[0] = tmpB;
  824. PC++;
  825. break;
  826. case 0xc9: // xch A,R1
  827. tmpB = *Acc;
  828. *Acc = R[1];
  829. R[1] = tmpB;
  830. PC++;
  831. break;
  832. case 0xca: // xch A,R2
  833. tmpB = *Acc;
  834. *Acc = R[2];
  835. R[2] = tmpB;
  836. PC++;
  837. break;
  838. case 0xcb: // xch A,R3
  839. tmpB = *Acc;
  840. *Acc = R[3];
  841. R[3] = tmpB;
  842. PC++;
  843. break;
  844. case 0xcc: // xch A,R4
  845. tmpB = *Acc;
  846. *Acc = R[4];
  847. R[4] = tmpB;
  848. PC++;
  849. break;
  850. case 0xcd: // xch A,R5
  851. tmpB = *Acc;
  852. *Acc = R[5];
  853. R[5] = tmpB;
  854. PC++;
  855. break;
  856. case 0xce: // xch A,R6
  857. tmpB = *Acc;
  858. *Acc = R[6];
  859. R[6] = tmpB;
  860. PC++;
  861. break;
  862. case 0xcf: // xch A,R7
  863. tmpB = *Acc;
  864. *Acc = R[7];
  865. R[7] = tmpB;
  866. PC++;
  867. break;
  868. case 0x12: // lcall 16bit_adres 02 xx yy
  869. tmpW = PC + 3;
  870. PC++;
  871. PC = (WORD) prog[PC] << 8 | prog[PC + 1];
  872. *SP = *SP + 1;
  873. SFR[*SP] = (BYTE) ( tmpW & 0x00ff );
  874. *SP = *SP + 1;
  875. SFR[*SP] = (BYTE) ( tmpW >> 8 );
  876. break;
  877. case 0x22: // ret
  878. PC = (WORD) SFR[*SP] << 8 | (WORD) SFR[*SP - 1];
  879. *SP = *SP - 2;
  880. break;
  881. case 0x70: // jnz (offset)
  882. PC++;
  883. if ( *Acc != 0 )
  884. {
  885. PC += (signed char) prog[PC] + 1;
  886. }
  887. else
  888. {
  889. PC++;
  890. }
  891. break;
  892. case 0x60: // jz (offset)
  893. PC++;
  894. if ( *Acc == 0 )
  895. {
  896. PC += (signed char) prog[PC] + 1;
  897. }
  898. else
  899. {
  900. PC++;
  901. }
  902. break;
  903. case 0x40: // jc (offset)
  904. PC++;
  905. if ( check_C())
  906. {
  907. PC += (signed char) prog[PC] + 1;
  908. }
  909. else
  910. {
  911. PC++;
  912. }
  913. break;
  914. case 0x50: // jnc (offset)
  915. PC++;
  916. if ( !check_C())
  917. {
  918. PC += (signed char) prog[PC] + 1;
  919. }
  920. else
  921. {
  922. PC++;
  923. }
  924. break;
  925. case 0xc4: // swap A
  926. tmpB = *Acc;
  927. tmpB = ( tmpB << 4 ) & 0xf0;
  928. *Acc = ( *Acc >> 4 ) & 0x0f;
  929. *Acc = *Acc | tmpB;
  930. PC++;
  931. break;
  932. case 0x93: // movc A,@DPTR+A
  933. *Acc = ram[*Acc + *DPTR];
  934. PC++;
  935. break;
  936. case 0x83: // movc A,@PC+A
  937. *Acc = ram[*Acc + PC];
  938. PC++;
  939. break;
  940. case 0xe6: // mov A,@R0
  941. *Acc = SFR[R[0]];
  942. PC++;
  943. break;
  944. case 0xe7: // mov A,@R1
  945. *Acc = SFR[R[1]];
  946. PC++;
  947. break;
  948. case 0xf6: // mov @R0,A
  949. SFR[R[0]] = *Acc;
  950. PC++;
  951. break;
  952. case 0xf7: // mov @R1,a
  953. SFR[R[1]] = *Acc;
  954. PC++;
  955. break;
  956. case 0x78: // mov R0,#(data)
  957. PC++;
  958. R[0] = prog[PC];
  959. PC++;
  960. break;
  961. case 0x79: // mov R1,#(data)
  962. PC++;
  963. R[1] = prog[PC];
  964. PC++;
  965. break;
  966. case 0x7a: // mov R2,#(data)
  967. PC++;
  968. R[2] = prog[PC];
  969. PC++;
  970. break;
  971. case 0x7b: // mov R3,#(data)
  972. PC++;
  973. R[3] = prog[PC];
  974. PC++;
  975. break;
  976. case 0x7c: // mov R4,#(data)
  977. PC++;
  978. R[4] = prog[PC];
  979. PC++;
  980. break;
  981. case 0x7d: // mov R5,#(data)
  982. PC++;
  983. R[5] = prog[PC];
  984. PC++;
  985. break;
  986. case 0x7e: // mov R6,#(data)
  987. PC++;
  988. R[6] = prog[PC];
  989. PC++;
  990. break;
  991. case 0x7f: // mov R7,#(data)
  992. PC++;
  993. R[7] = prog[PC];
  994. PC++;
  995. break;
  996. case 0xa8: // mov R0,(adress)
  997. PC++;
  998. R[0] = SFR[prog[PC]];
  999. PC++;
  1000. break;
  1001. case 0xa9: // mov R1,(adress)
  1002. PC++;
  1003. R[1] = SFR[prog[PC]];
  1004. PC++;
  1005. break;
  1006. case 0xaa: // mov R2,(adress)
  1007. PC++;
  1008. R[2] = SFR[prog[PC]];
  1009. PC++;
  1010. break;
  1011. case 0xab: // mov R3,(adress)
  1012. PC++;
  1013. R[3] = SFR[prog[PC]];
  1014. PC++;
  1015. break;
  1016. case 0xac: // mov R4,(adress)
  1017. PC++;
  1018. R[4] = SFR[prog[PC]];
  1019. PC++;
  1020. break;
  1021. case 0xad: // mov R5,(adress)
  1022. PC++;
  1023. R[5] = SFR[prog[PC]];
  1024. PC++;
  1025. break;
  1026. case 0xae: // mov R6,(adress)
  1027. PC++;
  1028. R[6] = SFR[prog[PC]];
  1029. PC++;
  1030. break;
  1031. case 0xaf: // mov R7,(adress)
  1032. PC++;
  1033. R[7] = SFR[prog[PC]];
  1034. PC++;
  1035. break;
  1036. case 0x88: // mov (adress),R0
  1037. PC++;
  1038. SFR[prog[PC]] = R[0];
  1039. PC++;
  1040. break;
  1041. case 0x89: // mov (adress),R1
  1042. PC++;
  1043. SFR[prog[PC]] = R[1];
  1044. PC++;
  1045. break;
  1046. case 0x8a: // mov (adress),R2
  1047. PC++;
  1048. SFR[prog[PC]] = R[2];
  1049. PC++;
  1050. break;
  1051. case 0x8b: // mov (adress),R3
  1052. PC++;
  1053. SFR[prog[PC]] = R[3];
  1054. PC++;
  1055. break;
  1056. case 0x8c: // mov (adress),R4
  1057. PC++;
  1058. SFR[prog[PC]] = R[4];
  1059. PC++;
  1060. break;
  1061. case 0x8d: // mov (adress),R5
  1062. PC++;
  1063. SFR[prog[PC]] = R[5];
  1064. PC++;
  1065. break;
  1066. case 0x8e: // mov (adress),R6
  1067. PC++;
  1068. SFR[prog[PC]] = R[6];
  1069. PC++;
  1070. break;
  1071. case 0x8f: // mov (adress),R7
  1072. PC++;
  1073. SFR[prog[PC]] = R[7];
  1074. PC++;
  1075. break;
  1076. case 0xf8: // mov R0,A
  1077. PC++;
  1078. R[0] = *Acc;
  1079. break;
  1080. case 0xf9: // mov R1,A
  1081. PC++;
  1082. R[1] = *Acc;
  1083. break;
  1084. case 0xfa: // mov R2,A
  1085. PC++;
  1086. R[2] = *Acc;
  1087. break;
  1088. case 0xfb: // mov R3,A
  1089. PC++;
  1090. R[3] = *Acc;
  1091. break;
  1092. case 0xfc: // mov R4,A
  1093. PC++;
  1094. R[4] = *Acc;
  1095. break;
  1096. case 0xfd: // mov R5,A
  1097. PC++;
  1098. R[5] = *Acc;
  1099. break;
  1100. case 0xfe: // mov R6,A
  1101. PC++;
  1102. R[6] = *Acc;
  1103. break;
  1104. case 0xff: // mov R7,A
  1105. PC++;
  1106. R[7] = *Acc;
  1107. break;
  1108. case 0xe8: // mov A,R0
  1109. PC++;
  1110. *Acc = R[0];
  1111. break;
  1112. case 0xe9: // mov A,R1
  1113. PC++;
  1114. *Acc = R[1];
  1115. break;
  1116. case 0xea: // mov A,R2
  1117. PC++;
  1118. *Acc = R[2];
  1119. break;
  1120. case 0xeb: // mov A,R3
  1121. PC++;
  1122. *Acc = R[3];
  1123. break;
  1124. case 0xec: // mov A,R4
  1125. PC++;
  1126. *Acc = R[4];
  1127. break;
  1128. case 0xed: // mov A,R5
  1129. PC++;
  1130. *Acc = R[5];
  1131. break;
  1132. case 0xee: // mov A,R6
  1133. PC++;
  1134. *Acc = R[6];
  1135. break;
  1136. case 0xef: // mov A,R7
  1137. PC++;
  1138. *Acc = R[7];
  1139. break;
  1140. case 0xe4: //clr A
  1141. PC++;
  1142. *Acc = 0;
  1143. break;
  1144. case 0x01: // ajmp 00xx
  1145. PC++;
  1146. PC = (WORD) prog[PC];
  1147. break;
  1148. case 0x21: // ajmp 01xx
  1149. PC++;
  1150. PC = 0x0100 | (WORD) prog[PC];
  1151. break;
  1152. case 0x41: // ajmp 02xx
  1153. PC++;
  1154. PC = 0x0200 | (WORD) prog[PC];
  1155. break;
  1156. case 0x61: // ajmp 03xx
  1157. PC++;
  1158. PC = 0x0300 | (WORD) prog[PC];
  1159. break;
  1160. case 0x81: // ajmp 04xx
  1161. PC++;
  1162. PC = 0x0400 | (WORD) prog[PC];
  1163. break;
  1164. case 0xa1: // ajmp 05xx
  1165. PC++;
  1166. PC = 0x0500 | (WORD) prog[PC];
  1167. break;
  1168. case 0xc1: // ajmp 06xx
  1169. PC++;
  1170. PC = 0x0600 | (WORD) prog[PC];
  1171. break;
  1172. case 0xe1: // ajmp 07xx
  1173. PC++;
  1174. PC = 0x0700 | (WORD) prog[PC];
  1175. break;
  1176. case 0x11: // acall 00xx
  1177. tmpW = PC + 2;
  1178. PC++;
  1179. PC = (WORD) prog[PC];
  1180. *SP = *SP + 1;
  1181. SFR[*SP] = (BYTE) ( tmpW & 0x00ff );
  1182. *SP = *SP + 1;
  1183. SFR[*SP] = (BYTE) ( tmpW >> 8 );
  1184. break;
  1185. case 0x31: // acall 01xx
  1186. tmpW = PC + 2;
  1187. PC++;
  1188. PC = 0x0100 | prog[PC];
  1189. *SP = *SP + 1;
  1190. SFR[*SP] = (BYTE) ( tmpW & 0x00ff );
  1191. *SP = *SP + 1;
  1192. SFR[*SP] = (BYTE) ( tmpW >> 8 );
  1193. break;
  1194. case 0x51: // acall 02xx
  1195. tmpW = PC + 2;
  1196. PC++;
  1197. PC = 0x0200 | prog[PC];
  1198. *SP = *SP + 1;
  1199. SFR[*SP] = (BYTE) ( tmpW & 0x00ff );
  1200. *SP = *SP + 1;
  1201. SFR[*SP] = (BYTE) ( tmpW >> 8 );
  1202. break;
  1203. case 0x71: // acall 03xx
  1204. tmpW = PC + 2;
  1205. PC++;
  1206. PC = 0x0300 | prog[PC];
  1207. *SP = *SP + 1;
  1208. SFR[*SP] = (BYTE) ( tmpW & 0x00ff );
  1209. *SP = *SP + 1;
  1210. SFR[*SP] = (BYTE) ( tmpW >> 8 );
  1211. break;
  1212. case 0x91: // acall 04xx
  1213. tmpW = PC + 2;
  1214. PC++;
  1215. PC = 0x0400 | prog[PC];
  1216. *SP = *SP + 1;
  1217. SFR[*SP] = (BYTE) ( tmpW & 0x00ff );
  1218. *SP = *SP + 1;
  1219. SFR[*SP] = (BYTE) ( tmpW >> 8 );
  1220. break;
  1221. case 0xb1: // acall 05xx
  1222. tmpW = PC + 2;
  1223. PC++;
  1224. PC = 0x0500 | prog[PC];
  1225. *SP = *SP + 1;
  1226. SFR[*SP] = (BYTE) ( tmpW & 0x00ff );
  1227. *SP = *SP + 1;
  1228. SFR[*SP] = (BYTE) ( tmpW >> 8 );
  1229. break;
  1230. case 0xd1: // acall 06xx
  1231. tmpW = PC + 2;
  1232. PC++;
  1233. PC = 0x0600 | prog[PC];
  1234. *SP = *SP + 1;
  1235. SFR[*SP] = (BYTE) ( tmpW & 0x00ff );
  1236. *SP = *SP + 1;
  1237. SFR[*SP] = (BYTE) ( tmpW >> 8 );
  1238. break;
  1239. case 0xf1: // acall 07xx
  1240. tmpW = PC + 2;
  1241. PC++;
  1242. PC = 0x0700 | prog[PC];
  1243. *SP = *SP + 1;
  1244. SFR[*SP] = (BYTE) ( tmpW & 0x00ff );
  1245. *SP = *SP + 1;
  1246. SFR[*SP] = (BYTE) ( tmpW >> 8 );
  1247. break;
  1248. case 0xd8: // djnz R0,(offset)
  1249. PC++;
  1250. R[0]--;
  1251. if ( R[0] != 0 )
  1252. {
  1253. PC += (signed char) prog[PC];
  1254. }
  1255. PC++;
  1256. break;
  1257. case 0xd9: // djnz R1,(offset)
  1258. PC++;
  1259. R[1]--;
  1260. if ( R[1] != 0 )
  1261. {
  1262. PC += (signed char) prog[PC];
  1263. }
  1264. PC++;
  1265. break;
  1266. case 0xda: // djnz R2,(offset)
  1267. PC++;
  1268. R[2]--;
  1269. if ( R[2] != 0 )
  1270. {
  1271. PC += (signed char) prog[PC];
  1272. }
  1273. PC++;
  1274. break;
  1275. case 0xdb: // djnz R3,(offset)
  1276. PC++;
  1277. R[3]--;
  1278. if ( R[3] != 0 )
  1279. {
  1280. PC += (signed char) prog[PC];
  1281. }
  1282. PC++;
  1283. break;
  1284. case 0xdc: // djnz R4,(offset)
  1285. PC++;
  1286. R[4]--;
  1287. if ( R[4] != 0 )
  1288. {
  1289. PC += (signed char) prog[PC];
  1290. }
  1291. PC++;
  1292. break;
  1293. case 0xdd: // djnz R5,(offset)
  1294. PC++;
  1295. R[5]--;
  1296. if ( R[5] != 0 )
  1297. {
  1298. PC += (signed char) prog[PC];
  1299. }
  1300. PC++;
  1301. break;
  1302. case 0xde: // djnz R6,(offset)
  1303. PC++;
  1304. R[6]--;
  1305. if ( R[6] != 0 )
  1306. {
  1307. PC += (signed char) prog[PC];
  1308. }
  1309. PC++;
  1310. break;
  1311. case 0xdf: // djnz R7,(offset)
  1312. PC++;
  1313. R[7]--;
  1314. if ( R[7] != 0 )
  1315. {
  1316. PC += (signed char) prog[PC];
  1317. }
  1318. PC++;
  1319. break;
  1320. case 0xd5: // djnz (adress),(offset)
  1321. PC++;
  1322. tmpB = prog[PC];
  1323. PC++;
  1324. SFR[tmpB]--;
  1325. if ( SFR[tmpB] != 0 )
  1326. {
  1327. PC += (signed char) prog[PC];
  1328. }
  1329. PC++;
  1330. break;
  1331. case 0x43: // orl (adress),#(data)
  1332. PC++;
  1333. SFR[prog[PC]] = SFR[prog[PC]] | prog[PC + 1];
  1334. PC += 2;
  1335. break;
  1336. case 0x44: // orl A,#(data)
  1337. PC++;
  1338. *Acc = prog[PC] | *Acc;
  1339. PC++;
  1340. break;
  1341. case 0x45: // orl A,(adress)
  1342. PC++;
  1343. *Acc = SFR[prog[PC]] | *Acc;
  1344. PC++;
  1345. break;
  1346. case 0x42: // orl (adress),A
  1347. PC++;
  1348. SFR[prog[PC]] = SFR[prog[PC]] | *Acc;
  1349. PC++;
  1350. break;
  1351. case 0x48: // orl A,R0
  1352. *Acc = *Acc | R[0];
  1353. PC++;
  1354. break;
  1355. case 0x49: // orl A,R1
  1356. *Acc = *Acc | R[1];
  1357. PC++;
  1358. break;
  1359. case 0x4a: // orl A,R2
  1360. *Acc = *Acc | R[2];
  1361. PC++;
  1362. break;
  1363. case 0x4b: // orl A,R3
  1364. *Acc = *Acc | R[3];
  1365. PC++;
  1366. break;
  1367. case 0x4c: // orl A,R4
  1368. *Acc = *Acc | R[4];
  1369. PC++;
  1370. break;
  1371. case 0x4d: // orl A,R5
  1372. *Acc = *Acc | R[5];
  1373. PC++;
  1374. break;
  1375. case 0x4e: // orl A,R6
  1376. *Acc = *Acc | R[6];
  1377. PC++;
  1378. break;
  1379. case 0x4f: // orl A,R7
  1380. *Acc = *Acc | R[7];
  1381. PC++;
  1382. break;
  1383. case 0x46: // orl A,@R0
  1384. *Acc = *Acc | SFR[R[0]];
  1385. PC++;
  1386. break;
  1387. case 0x47: // orl A,@R1
  1388. *Acc = *Acc | SFR[R[1]];
  1389. PC++;
  1390. break;
  1391. case 0x54: // anl A,#(data)
  1392. PC++;
  1393. *Acc = *Acc & prog[PC];
  1394. PC++;
  1395. break;
  1396. case 0x55: // anl A,(adress)
  1397. PC++;
  1398. *Acc = SFR[prog[PC]] & *Acc;
  1399. PC++;
  1400. break;
  1401. case 0x52: // anl (adress),A
  1402. PC++;
  1403. SFR[prog[PC]] = SFR[prog[PC]] & *Acc;
  1404. PC++;
  1405. break;
  1406. case 0x53: // anl (adress),#(data)
  1407. PC++;
  1408. SFR[prog[PC]] = SFR[prog[PC]] & prog[PC + 1];
  1409. PC++;
  1410. break;
  1411. case 0x58: // anl A,R0
  1412. *Acc = *Acc & R[0];
  1413. PC++;
  1414. break;
  1415. case 0x59: // anl A,R1
  1416. *Acc = *Acc & R[1];
  1417. PC++;
  1418. break;
  1419. case 0x5a: // anl A,R2
  1420. *Acc = *Acc & R[2];
  1421. PC++;
  1422. break;
  1423. case 0x5b: // anl A,R3
  1424. *Acc = *Acc & R[3];
  1425. PC++;
  1426. break;
  1427. case 0x5c: // anl A,R4
  1428. *Acc = *Acc & R[4];
  1429. PC++;
  1430. break;
  1431. case 0x5d: // anl A,R5
  1432. *Acc = *Acc & R[5];
  1433. PC++;
  1434. break;
  1435. case 0x5e: // anl A,R6
  1436. *Acc = *Acc & R[6];
  1437. PC++;
  1438. break;
  1439. case 0x5f: // anl A,R7
  1440. *Acc = *Acc & R[7];
  1441. PC++;
  1442. break;
  1443. case 0x56: // anl A,@R0
  1444. *Acc = *Acc & SFR[R[0]];
  1445. PC++;
  1446. break;
  1447. case 0x57: // anl A,@R1
  1448. *Acc = *Acc & SFR[R[1]];
  1449. PC++;
  1450. break;
  1451. case 0xa2: // mov C,(bit)
  1452. PC++;
  1453. if ( checkB(prog[PC]))
  1454. {
  1455. set_C();
  1456. }
  1457. else
  1458. {
  1459. clr_C();
  1460. }
  1461. PC++;
  1462. break;
  1463. case 0xb2: // cpl (bit)
  1464. PC++;
  1465. if ( checkB(prog[PC]))
  1466. {
  1467. clrB(prog[PC]);
  1468. }
  1469. else
  1470. {
  1471. setB(prog[PC]);
  1472. }
  1473. PC++;
  1474. break;
  1475. case 0xb3: // cpl C
  1476. PC++;
  1477. if ( check_C())
  1478. {
  1479. clr_C();
  1480. }
  1481. else
  1482. {
  1483. set_C();
  1484. }
  1485. break;
  1486. case 0x72: // orl C,(bit)
  1487. PC++;
  1488. if ( check_C() || checkB(prog[PC]))
  1489. {
  1490. set_C();
  1491. }
  1492. else
  1493. {
  1494. clr_C();
  1495. }
  1496. PC++;
  1497. break;
  1498. case 0xa0: // orl C,/(bit)
  1499. PC++;
  1500. if ( check_C() || !checkB(prog[PC]))
  1501. {
  1502. set_C();
  1503. }
  1504. else
  1505. {
  1506. clr_C();
  1507. }
  1508. PC++;
  1509. break;
  1510. case 0x82: // anl C,(bit)
  1511. PC++;
  1512. if ( check_C() && checkB(prog[PC]))
  1513. {
  1514. set_C();
  1515. }
  1516. else
  1517. {
  1518. clr_C();
  1519. }
  1520. PC++;
  1521. break;
  1522. case 0xb0: // anl C,/(bit)
  1523. PC++;
  1524. if ( check_C() && !checkB(prog[PC]))
  1525. {
  1526. set_C();
  1527. }
  1528. else
  1529. {
  1530. clr_C();
  1531. }
  1532. PC++;
  1533. break;
  1534. case 0xf4: // cpl A
  1535. *Acc = *Acc ^ 0xff;
  1536. PC++;
  1537. break;
  1538. /* 2003-12-04 : Added */
  1539. case 0xB3: // cpl C
  1540. if ( check_C())
  1541. {
  1542. clr_C();
  1543. }
  1544. else
  1545. {
  1546. set_C();
  1547. }
  1548. PC++;
  1549. break;
  1550. /* End Added */
  1551. case 0xa6: // mov @R0,(adress)
  1552. PC++;
  1553. SFR[R[0]] = SFR[prog[PC]];
  1554. PC++;
  1555. break;
  1556. case 0xa7: // mov @R1,(adress)
  1557. PC++;
  1558. SFR[R[1]] = SFR[prog[PC]];
  1559. PC++;
  1560. break;
  1561. case 0x76: // mov @R0,#(data)
  1562. PC++;
  1563. SFR[R[0]] = prog[PC];
  1564. PC++;
  1565. break;
  1566. case 0x77: // mov @R1,#(data)
  1567. PC++;
  1568. SFR[R[1]] = prog[PC];
  1569. PC++;
  1570. break;
  1571. case 0x86: // mov (adress),@R0
  1572. PC++;
  1573. SFR[prog[PC]] = SFR[R[0]];
  1574. PC++;
  1575. break;
  1576. case 0x87: // mov (adress),@R1
  1577. PC++;
  1578. SFR[prog[PC]] = SFR[R[1]];
  1579. PC++;
  1580. break;
  1581. case 0x73: // jmp @A+DPTR
  1582. PC = (WORD) ( *Acc + *DPTR );
  1583. break;
  1584. case 0xb4: // cjne A,#(byte),offset
  1585. PC++;
  1586. if ( *Acc < prog[PC] )
  1587. {
  1588. set_C();
  1589. }
  1590. else
  1591. {
  1592. clr_C();
  1593. }
  1594. if ( *Acc != prog[PC] )
  1595. {
  1596. PC++;
  1597. PC += (signed char) prog[PC] + 1;
  1598. }
  1599. else
  1600. {
  1601. PC += 2;
  1602. }
  1603. break;
  1604. case 0xb5: // cjne A,(adress),offset
  1605. PC++;
  1606. if ( *Acc < SFR[prog[PC]] )
  1607. {
  1608. set_C();
  1609. }
  1610. else
  1611. {
  1612. clr_C();
  1613. }
  1614. if ( *Acc != SFR[prog[PC]] )
  1615. {
  1616. PC++;
  1617. PC += (signed char) prog[PC] + 1;
  1618. }
  1619. else
  1620. {
  1621. PC += 2;
  1622. }
  1623. break;
  1624. case 0xb6: // cjne @R0,#(byte),offset
  1625. PC++;
  1626. if ( SFR[R[0]] < prog[PC] )
  1627. {
  1628. set_C();
  1629. }
  1630. else
  1631. {
  1632. clr_C();
  1633. }
  1634. if ( SFR[R[0]] != prog[PC] )
  1635. {
  1636. PC++;
  1637. PC += (signed char) prog[PC] + 1;
  1638. }
  1639. else
  1640. {
  1641. PC += 2;
  1642. }
  1643. break;
  1644. case 0xb7: // cjne @R1,#(byte),offset
  1645. PC++;
  1646. if ( SFR[R[1]] < prog[PC] )
  1647. {
  1648. set_C();
  1649. }
  1650. else
  1651. {
  1652. clr_C();
  1653. }
  1654. if ( SFR[R[1]] != prog[PC] )
  1655. {
  1656. PC++;
  1657. PC += (signed char) prog[PC] + 1;
  1658. }
  1659. else
  1660. {
  1661. PC += 2;
  1662. }
  1663. break;
  1664. case 0xb8: // cjne R0,#(byte),offset
  1665. PC++;
  1666. if ( R[0] < prog[PC] )
  1667. {
  1668. set_C();
  1669. }
  1670. else
  1671. {
  1672. clr_C();
  1673. }
  1674. if ( R[0] != prog[PC] )
  1675. {
  1676. PC++;
  1677. PC += (signed char) prog[PC] + 1;
  1678. }
  1679. else
  1680. {
  1681. PC += 2;
  1682. }
  1683. break;
  1684. case 0xb9: // cjne R1,#(byte),offset
  1685. PC++;
  1686. if ( R[1] < prog[PC] )
  1687. {
  1688. set_C();
  1689. }
  1690. else
  1691. {
  1692. clr_C();
  1693. }
  1694. if ( R[1] != prog[PC] )
  1695. {
  1696. PC++;
  1697. PC += (signed char) prog[PC] + 1;
  1698. }
  1699. else
  1700. {
  1701. PC += 2;
  1702. }
  1703. break;
  1704. case 0xba: // cjne R2,#(byte),offset
  1705. PC++;
  1706. if ( R[2] < prog[PC] )
  1707. {
  1708. set_C();
  1709. }
  1710. else
  1711. {
  1712. clr_C();
  1713. }
  1714. if ( R[2] != prog[PC] )
  1715. {
  1716. PC++;
  1717. PC += (signed char) prog[PC] + 1;
  1718. }
  1719. else
  1720. {
  1721. PC += 2;
  1722. }
  1723. break;
  1724. case 0xbb: // cjne R3,#(byte),offset
  1725. PC++;
  1726. if ( R[3] < prog[PC] )
  1727. {
  1728. set_C();
  1729. }
  1730. else
  1731. {
  1732. clr_C();
  1733. }
  1734. if ( R[3] != prog[PC] )
  1735. {
  1736. PC++;
  1737. PC += (signed char) prog[PC] + 1;
  1738. }
  1739. else
  1740. {
  1741. PC += 2;
  1742. }
  1743. break;
  1744. case 0xbc: // cjne R4,#(byte),offset
  1745. PC++;
  1746. if ( R[4] < prog[PC] )
  1747. {
  1748. set_C();
  1749. }
  1750. else
  1751. {
  1752. clr_C();
  1753. }
  1754. if ( R[4] != prog[PC] )
  1755. {
  1756. PC++;
  1757. PC += (signed char) prog[PC] + 1;
  1758. }
  1759. else
  1760. {
  1761. PC += 2;
  1762. }
  1763. break;
  1764. case 0xbd: // cjne R5,#(byte),offset
  1765. PC++;
  1766. if ( R[5] < prog[PC] )
  1767. {
  1768. set_C();
  1769. }
  1770. else
  1771. {
  1772. clr_C();
  1773. }
  1774. if ( R[5] != prog[PC] )
  1775. {
  1776. PC++;
  1777. PC += (signed char) prog[PC] + 1;
  1778. }
  1779. else
  1780. {
  1781. PC += 2;
  1782. }
  1783. break;
  1784. case 0xbe: // cjne R6,#(byte),offset
  1785. PC++;
  1786. if ( R[6] < prog[PC] )
  1787. {
  1788. set_C();
  1789. }
  1790. else
  1791. {
  1792. clr_C();
  1793. }
  1794. if ( R[6] != prog[PC] )
  1795. {
  1796. PC++;
  1797. PC += (signed char) prog[PC] + 1;
  1798. }
  1799. else
  1800. {
  1801. PC += 2;
  1802. }
  1803. break;
  1804. case 0xbf: // cjne R7,#(byte),offset
  1805. PC++;
  1806. if ( R[7] < prog[PC] )
  1807. {
  1808. set_C();
  1809. }
  1810. else
  1811. {
  1812. clr_C();
  1813. }
  1814. if ( R[7] != prog[PC] )
  1815. {
  1816. PC++;
  1817. PC += (signed char) prog[PC] + 1;
  1818. }
  1819. else
  1820. {
  1821. PC += 2;
  1822. }
  1823. break;
  1824. case 0x32: // reti
  1825. PC = (WORD) SFR[*SP] << 8 | (WORD) SFR[*SP - 1];
  1826. *SP = *SP - 2;
  1827. break;
  1828. case 0x30: //jnb (bit),(offset)
  1829. PC++;
  1830. if ( !checkB(prog[PC]))
  1831. {
  1832. PC++;
  1833. PC += (signed char) prog[PC] + 1;
  1834. }
  1835. else
  1836. {
  1837. PC += 2;
  1838. }
  1839. break;
  1840. case 0x20: //jb (bit),(offset)
  1841. PC++;
  1842. if ( checkB(prog[PC]))
  1843. {
  1844. PC++;
  1845. PC += (signed char) prog[PC] + 1;
  1846. }
  1847. else
  1848. {
  1849. PC += 2;
  1850. }
  1851. break;
  1852. case 0x10: //jbc (bit),(offset)
  1853. PC++;
  1854. if ( checkB(prog[PC]))
  1855. {
  1856. clrB(prog[PC]);
  1857. PC++;
  1858. PC += (signed char) prog[PC] + 1;
  1859. }
  1860. else
  1861. {
  1862. PC += 2;
  1863. }
  1864. break;
  1865. case 0x94: // subb A,#(data)
  1866. PC++;
  1867. _subb(*Acc, prog[PC]); //*Acc=*Acc-prog[PC];
  1868. PC++;
  1869. break;
  1870. case 0x95: // subb A,(adress)
  1871. PC++;
  1872. _subb(*Acc, SFR[prog[PC]]); //*Acc=*Acc-SFR[prog[PC]];
  1873. PC++;
  1874. break;
  1875. case 0x96: // subb A,@R0
  1876. PC++;
  1877. _subb(*Acc, SFR[R[0]]); //*Acc=*Acc-SFR[R[0]];
  1878. PC++;
  1879. break;
  1880. case 0x97: // subb A,@R1
  1881. PC++;
  1882. _subb(*Acc, SFR[R[1]]); //*Acc=*Acc-SFR[R[1]];
  1883. PC++;
  1884. break;
  1885. case 0x98: // subb A,R0
  1886. PC++;
  1887. _subb(*Acc, R[0]); //*Acc=*Acc-R[0];
  1888. PC++;
  1889. break;
  1890. case 0x99: // subb A,R1
  1891. PC++;
  1892. _subb(*Acc, R[1]); //*Acc=*Acc-R[1];
  1893. PC++;
  1894. break;
  1895. case 0x9a: // subb A,R2
  1896. PC++;
  1897. _subb(*Acc, R[2]); //*Acc=*Acc-R[2];
  1898. PC++;
  1899. break;
  1900. case 0x9b: // subb A,R3
  1901. PC++;
  1902. _subb(*Acc, R[3]); //*Acc=*Acc-R[3];
  1903. PC++;
  1904. break;
  1905. case 0x9c: // subb A,R4
  1906. PC++;
  1907. _subb(*Acc, R[4]); //*Acc=*Acc-R[4];
  1908. PC++;
  1909. break;
  1910. case 0x9d: // subb A,R5
  1911. PC++;
  1912. _subb(*Acc, R[5]); //*Acc=*Acc-R[5];
  1913. PC++;
  1914. break;
  1915. case 0x9e: // subb A,R6
  1916. PC++;
  1917. _subb(*Acc, R[6]); //*Acc=*Acc-R[6];
  1918. PC++;
  1919. break;
  1920. case 0x9f: // subb A,R7
  1921. PC++;
  1922. _subb(*Acc, R[7]); //*Acc=*Acc-R[7];
  1923. PC++;
  1924. break;
  1925. case 0xd4: // da A
  1926. PC++;
  1927. tmpB = *Acc;
  1928. *Acc &= 0xf;
  1929. tmpB >>= 4;
  1930. if (( *Acc > 9 ) || check_AC())
  1931. {
  1932. *Acc += 9;
  1933. }
  1934. if (( tmpB > 9 ) || check_C())
  1935. {
  1936. tmpB += 9;
  1937. }
  1938. *Acc |= tmpB << 4;
  1939. break;
  1940. case 0xd6: // xchd A,@R0
  1941. PC++;
  1942. tmpB = SFR[R[0]] & 0xf;
  1943. SFR[R[0]] &= 0xf;
  1944. SFR[R[0]] |= ( *Acc ) & 0xf;
  1945. ( *Acc ) &= 0xf;
  1946. ( *Acc ) |= tmpB;
  1947. break;
  1948. case 0xd7: // xchd A,@R1
  1949. PC++;
  1950. tmpB = SFR[R[1]] & 0xf;
  1951. SFR[R[1]] &= 0xf;
  1952. SFR[R[1]] |= ( *Acc ) & 0xf;
  1953. ( *Acc ) &= 0xf;
  1954. ( *Acc ) |= tmpB;
  1955. break;
  1956. case 0xe2: // movx A,@R0
  1957. *Acc = ram[R[0]];
  1958. PC++;
  1959. break;
  1960. case 0xe3: // movx A,@R1
  1961. *Acc = ram[R[1]];
  1962. PC++;
  1963. break;
  1964. case 0xf2: // movx @R0,A
  1965. ram[R[0]] = *Acc;
  1966. PC++;
  1967. break;
  1968. case 0xf3: // movx @R1,A
  1969. ram[R[1]] = *Acc;
  1970. PC++;
  1971. break;
  1972. }
  1973. BYTE cnt = 0;
  1974. // count cycles
  1975. c_time += cycles;
  1976. // count bits in Acc
  1977. for ( BYTE c = 0 ; c <= 7 ; c++ )
  1978. {
  1979. if (( 1 << c ) & *Acc )
  1980. {
  1981. cnt++;
  1982. }
  1983. }
  1984. // parrity check
  1985. if ( cnt % 2 ) // if cnt parity isn't true
  1986. {
  1987. clr_P();
  1988. }
  1989. else
  1990. {
  1991. // if cnt parity is true
  1992. set_P();
  1993. }
  1994. // setup Rx bank
  1995. tmpB = check_RS1() << 1 | check_RS0();
  1996. R = &SFR[tmpB << 3];
  1997. BYTE modeT0, modeT1;
  1998. // timers & interrupts
  1999. modeT0 = *TMOD & 0x03;
  2000. modeT1 = ( *TMOD & 0x30 ) >> 4;
  2001. // Timer 0
  2002. clrB(0x8d); // clr bit TF0 - T0 overflow
  2003. if ( checkB(0x8c)) // if TR0
  2004. {
  2005. switch ( modeT0 )
  2006. {
  2007. case 0:
  2008. break;
  2009. case 1:
  2010. if ((int) ( *TL0 ) + (int) cycles <= 0xff )
  2011. {
  2012. *TL0 += cycles;
  2013. }
  2014. else
  2015. {
  2016. *TL0 = (BYTE) ((int) *TL0 - (int) 0x100 + cycles );
  2017. if ((int) ( *TH0 ) < 0xff )
  2018. {
  2019. *TH0 += 1;
  2020. }
  2021. else
  2022. {
  2023. *TH0 = 0;
  2024. setB(0x8d); // set bit TF0 - T0 overflow
  2025. }
  2026. }
  2027. break;
  2028. case 2:
  2029. if ((int) ( *TL0 ) + (int) cycles <= 0xff )
  2030. {
  2031. *TL0 += cycles;
  2032. }
  2033. else
  2034. {
  2035. *TL0 = *TH0;
  2036. setB(0x8d); // set bit TF0 - T0 overflow
  2037. }
  2038. break;
  2039. case 3:
  2040. break;
  2041. }
  2042. }
  2043. clrB(0x8f); // clr bit TF1 - T1 overflow
  2044. if ( checkB(0x8e)) // if TR1
  2045. {
  2046. switch ( modeT1 )
  2047. {
  2048. case 0:
  2049. break;
  2050. case 1:
  2051. if ((int) ( *TL1 ) + (int) cycles <= 0xff )
  2052. {
  2053. *TL1 += cycles;
  2054. }
  2055. else
  2056. {
  2057. *TL1 = (BYTE) ((int) *TL1 - (int) 0x100 + cycles );
  2058. if ((int) ( *TH1 ) < 0xff )
  2059. {
  2060. *TH1 += 1;
  2061. }
  2062. else
  2063. {
  2064. *TH1 = 0;
  2065. setB(0x8f); // set bit TF0 - T0 overflow
  2066. }
  2067. }
  2068. break;
  2069. case 2:
  2070. if ((int) ( *TL1 ) + (int) cycles <= 0xff )
  2071. {
  2072. *TL1 += cycles;
  2073. }
  2074. else
  2075. {
  2076. *TL1 = *TH1;
  2077. setB(0x8f); // set bit TF0 - T0 overflow
  2078. }
  2079. break;
  2080. case 3:
  2081. break;
  2082. }
  2083. }
  2084. // Interrupts
  2085. if ( checkB(0xaf)) //if EA is 1
  2086. {
  2087. // T0 int
  2088. if ( checkB(0x8d) && checkB(0xa9)) // if TF0 and ET0
  2089. {
  2090. *SP = *SP + 1;
  2091. SFR[*SP] = (BYTE) ( PC & 0x00ff );
  2092. *SP = *SP + 1;
  2093. SFR[*SP] = (BYTE) ( PC >> 8 );
  2094. PC = 0x0000b;
  2095. }
  2096. // T1 int
  2097. if ( checkB(0x8f) && checkB(0xab)) // if TF1 and ET1
  2098. {
  2099. *SP = *SP + 1;
  2100. SFR[*SP] = (BYTE) ( PC & 0x00ff );
  2101. *SP = *SP + 1;
  2102. SFR[*SP] = (BYTE) ( PC >> 8 );
  2103. PC = 0x001b;
  2104. }
  2105. }
  2106. }
  2107. code_51 asm51[256];
  2108. class dis_asm // display code class
  2109. {
  2110. private:
  2111. void hexoutB(int, int, int, BYTE);
  2112. public:
  2113. BYTE *ram; // pointer to external ram table
  2114. BITMAP *buf, *surface; // screen buffer, work surface
  2115. int frame;
  2116. int left;
  2117. bool changed;
  2118. dis_asm(BYTE *, BITMAP *); // ext. ram, draw bitmap, constructor
  2119. void blit_it(int, int);
  2120. void draw(WORD); // x,y,PC (PC is an adr. of register which
  2121. // string is displayed in the middle
  2122. // of the code monitor)
  2123. ~dis_asm();
  2124. };
  2125. class regs
  2126. {
  2127. private:
  2128. void hexoutB(int, int, int color, BYTE numb); //x,y,color,byte
  2129. public:
  2130. int frame;
  2131. int left;
  2132. bool changed;
  2133. BYTE *sfr;
  2134. BYTE reg[25];
  2135. char reg_label[25][10];
  2136. BITMAP *surface, *buf;
  2137. void draw();
  2138. void blit_it(int, int);
  2139. int red;
  2140. int white;
  2141. int lblue;
  2142. int green;
  2143. int lred;
  2144. regs(BYTE *, BITMAP *);
  2145. ~regs();
  2146. };
  2147. regs::regs(BYTE *tmpB, BITMAP *tmpBMP)
  2148. {
  2149. red = makecol(255, 0, 0);
  2150. white = makecol(255, 255, 255);
  2151. lblue = makecol(0, 128, 255);
  2152. green = makecol(0, 255, 0);
  2153. lred = makecol(255, 64, 0);
  2154. frame = 2;
  2155. left = 12;
  2156. changed = true;
  2157. sfr = tmpB;
  2158. buf = tmpBMP;
  2159. surface = create_bitmap(400, 300);
  2160. clear(surface);
  2161. };
  2162. regs::~regs()
  2163. {};
  2164. void regs::blit_it(int x, int y)
  2165. {
  2166. blit(surface, buf, 0, 0, x, y, surface->w, surface->h);
  2167. };
  2168. void regs::draw()
  2169. {
  2170. clear(surface);
  2171. int c2 = 0, c;
  2172. textprintf(surface, mainf, left, frame + 20, lblue, "nr label adress hex dec ascii SEG LED(bin)");
  2173. for ( c = frame + 30 ; c < surface->h - 20 ; c += 10 )
  2174. {
  2175. textprintf(surface, mainf, left, c, white, "%2d: %9s (%2x) = %2x %3d %c", c2 + 1, reg_label[c2], reg[c2],
  2176. sfr[reg[c2]], sfr[reg[c2]], sfr[reg[c2]]);
  2177. draw_SEG_digit(surface, left + 288, c, green, 4, sfr[reg[c2]]);
  2178. draw_LED_bin(surface, left + 314, c + 4, lred, sfr[reg[c2]]);
  2179. c2++;
  2180. if ( c2 == 25 )
  2181. {
  2182. break;
  2183. }
  2184. };
  2185. hline(surface, frame, surface->h - frame, surface->w - frame, white);
  2186. vline(surface, frame, frame, surface->h - frame, white);
  2187. vline(surface, surface->w - frame, frame, surface->h - frame, white);
  2188. for ( c = frame ; c <= frame + 10 ; c += 2 )
  2189. {
  2190. hline(surface, frame, c, surface->w - frame, white);
  2191. }
  2192. textprintf_centre(surface, mainf, surface->w / 2, frame + 2, white, " SFR Registers ");
  2193. }
  2194. void regs::hexoutB(int x, int y, int color, BYTE numb)
  2195. {
  2196. if ( numb > 0x10 )
  2197. {
  2198. textprintf(surface, mainf, x, y, color, "%2x", numb);
  2199. }
  2200. else
  2201. {
  2202. textprintf(surface, mainf, x, y, color, "%2x", numb);
  2203. textprintf(surface, mainf, x, y, color, "0");
  2204. }
  2205. }
  2206. dis_asm::dis_asm(BYTE *tmpB, BITMAP *tmp_buf)
  2207. {
  2208. frame = 2;
  2209. left = 12;
  2210. changed = true;
  2211. ram = tmpB;
  2212. buf = tmp_buf;
  2213. surface = create_bitmap(300, 500);
  2214. clear(surface);
  2215. }
  2216. void dis_asm::hexoutB(int x, int y, int color, BYTE numb)
  2217. {
  2218. if ( numb > 0x10 )
  2219. {
  2220. textprintf(surface, mainf, x, y, color, "%2x", numb);
  2221. }
  2222. else
  2223. {
  2224. textprintf(surface, mainf, x, y, color, "%2x", numb);
  2225. textprintf(surface, mainf, x, y, color, "0");
  2226. }
  2227. }
  2228. void dis_asm::draw(WORD adress)
  2229. {
  2230. int red = makecol(255, 0, 0);
  2231. int white = makecol(255, 255, 255);
  2232. int lblue = makecol(0, 128, 255);
  2233. int color = white;
  2234. int colPC = white;
  2235. int c, cnt;
  2236. clear(surface);
  2237. for ( c = 20 ; c < surface->h - 10 ; c += 10 )
  2238. {
  2239. if ( PC == adress )
  2240. {
  2241. color = red;
  2242. }
  2243. else
  2244. {
  2245. color = white;
  2246. }
  2247. asm51[ram[adress]].make_ds(adress);
  2248. if ( asm51[ram[adress]].code == ram[adress] )
  2249. {
  2250. textprintf(surface, mainf, left, c, color, "%4x:", adress);
  2251. for ( cnt = 0 ; cnt < asm51[ram[adress]].lenght ; cnt++ )
  2252. {
  2253. if ( PC == ( adress + cnt ))
  2254. {
  2255. colPC = lblue;
  2256. }
  2257. else
  2258. {
  2259. colPC = color;
  2260. }
  2261. hexoutB(left + 50 + cnt * 24, c, colPC, ram[adress + cnt]);
  2262. }
  2263. textprintf(surface, mainf, left + 144, c, color, "%s", asm51[ram[adress]].display_string);
  2264. adress += asm51[ram[adress]].lenght;
  2265. }
  2266. else
  2267. {
  2268. textprintf(surface, mainf, left, c, color, "%4x: ", adress);
  2269. if ( PC == adress )
  2270. {
  2271. colPC = lblue;
  2272. }
  2273. else
  2274. {
  2275. colPC = color;
  2276. }
  2277. hexoutB(left + 50, c, colPC, ram[adress]);
  2278. textprintf(surface, mainf, left + 144, c, color, "???");
  2279. adress++;
  2280. }
  2281. }
  2282. hline(surface, frame, surface->h - frame, surface->w - frame, white);
  2283. vline(surface, frame, frame, surface->h - frame, white);
  2284. vline(surface, surface->w - frame, frame, surface->h - frame, white);
  2285. for ( c = frame ; c <= frame + 10 ; c += 2 )
  2286. {
  2287. hline(surface, frame, c, surface->w - frame, white);
  2288. }
  2289. textprintf_centre(surface, mainf, surface->w / 2, frame + 2, white, " Disassembler ");
  2290. }
  2291. void dis_asm::blit_it(int x, int y)
  2292. {
  2293. blit(surface, buf, 0, 0, x, y, surface->w, surface->h);
  2294. }
  2295. dis_asm::~dis_asm(void)
  2296. {
  2297. }
  2298. int get_lenght(BYTE code)
  2299. {
  2300. if ( asm51[code].code == code )
  2301. {
  2302. return asm51[code].lenght;
  2303. }
  2304. else
  2305. {
  2306. return 1;
  2307. }
  2308. }
  2309. class flags
  2310. {
  2311. private:
  2312. void hexoutB(int, int, int color, BYTE numb); //x,y,color,byte
  2313. public:
  2314. int frame;
  2315. int left;
  2316. bool changed;
  2317. BYTE *sfr;
  2318. BITMAP *surface, *buf;
  2319. void draw();
  2320. void blit_it(int, int);
  2321. flags(BITMAP *);
  2322. ~flags();
  2323. };
  2324. flags::flags(BITMAP *tmp_buf)
  2325. {
  2326. buf = tmp_buf;
  2327. surface = create_bitmap(100, 300);
  2328. frame = 2;
  2329. left = 12;
  2330. changed = false;
  2331. }
  2332. flags::~flags()
  2333. {
  2334. }
  2335. void flags::draw()
  2336. {
  2337. int red = makecol(255, 0, 0);
  2338. int white = makecol(255, 255, 255);
  2339. int lblue = makecol(0, 128, 255);
  2340. clear(surface);
  2341. textprintf(surface, mainf, left, frame + 20, white, "C : %d", check_C());
  2342. textprintf(surface, mainf, left, frame + 30, white, "AC : %d", check_AC());
  2343. textprintf(surface, mainf, left, frame + 40, white, "OV : %d", check_OV());
  2344. textprintf(surface, mainf, left, frame + 50, white, "P : %d", check_P());
  2345. textprintf(surface, mainf, left, frame + 60, red, "PC : %4x", PC);
  2346. textprintf(surface, mainf, left, frame + 70, lblue, "SP : %2x", *SP);
  2347. textprintf(surface, mainf, left, frame + 80, lblue, "Acc: %2x", *Acc);
  2348. textprintf(surface, mainf, left, frame + 90, lblue, "B : %2x", *B);
  2349. textprintf(surface, mainf, left, frame + 100, lblue, "R0 : %2x", R[0]);
  2350. textprintf(surface, mainf, left, frame + 110, lblue, "R1 : %2x", R[1]);
  2351. textprintf(surface, mainf, left, frame + 120, lblue, "R2 : %2x", R[2]);
  2352. textprintf(surface, mainf, left, frame + 130, lblue, "R3 : %2x", R[3]);
  2353. textprintf(surface, mainf, left, frame + 140, lblue, "R4 : %2x", R[4]);
  2354. textprintf(surface, mainf, left, frame + 150, lblue, "R5 : %2x", R[5]);
  2355. textprintf(surface, mainf, left, frame + 160, lblue, "R6 : %2x", R[6]);
  2356. textprintf(surface, mainf, left, frame + 170, lblue, "R7 : %2x", R[7]);
  2357. textprintf(surface, mainf, left, frame + 180, lblue, "DPTR: %4x", *DPTR);
  2358. textprintf(surface, mainf, left, frame + 270, red, "cycles :");
  2359. textprintf(surface, mainf, left, frame + 280, red, "%lld", c_time);
  2360. hline(surface, frame, surface->h - frame, surface->w - frame, white);
  2361. vline(surface, frame, frame, surface->h - frame, white);
  2362. vline(surface, surface->w - frame, frame, surface->h - frame, white);
  2363. for ( int c = frame ; c <= frame + 10 ; c += 2 )
  2364. {
  2365. hline(surface, frame, c, surface->w - frame, white);
  2366. }
  2367. textprintf_centre(surface, mainf, surface->w / 2, frame + 2, white, " RegFlag ");
  2368. }
  2369. void flags::blit_it(int x, int y)
  2370. {
  2371. blit(surface, buf, 0, 0, x, y, surface->w, surface->h);
  2372. }
  2373. class ramv
  2374. {
  2375. private:
  2376. void hexoutB(int, int, int color, BYTE numb); //x,y,color,byte
  2377. public:
  2378. int frame;
  2379. int left;
  2380. bool changed;
  2381. BYTE reg[25];
  2382. char reg_label[25][10];
  2383. BITMAP *surface, *buf;
  2384. void draw(WORD);
  2385. void blit_it(int, int);
  2386. ramv(BITMAP *);
  2387. ~ramv();
  2388. };
  2389. ramv::ramv(BITMAP *tmpBMP) // extram, screen
  2390. {
  2391. frame = 2;
  2392. left = 12;
  2393. changed = true;
  2394. buf = tmpBMP;
  2395. surface = create_bitmap(500, 200);
  2396. clear(surface);
  2397. }
  2398. ramv::~ramv()
  2399. {
  2400. }
  2401. void ramv::blit_it(int x, int y)
  2402. {
  2403. blit(surface, buf, 0, 0, x, y, surface->w, surface->h);
  2404. }
  2405. void ramv::draw(WORD cur)
  2406. {
  2407. int red = makecol(255, 0, 0);
  2408. int white = makecol(255, 255, 255);
  2409. int lgreen = makecol(128, 255, 128);
  2410. int green = makecol(0, 255, 0);
  2411. int lblue = makecol(0, 128, 255);
  2412. int yellow = makecol(255, 255, 0);
  2413. clear(surface);
  2414. int c2 = 0, c;
  2415. int y;
  2416. y = frame + 20;
  2417. int curcol = white;
  2418. for ( c = cur ; true ; c += 8 )
  2419. {
  2420. if ( !( y < surface->h - 10 ))
  2421. {
  2422. break;
  2423. }
  2424. textprintf(surface, mainf, left, y, lblue, "%4X: ", (WORD) ( c ));
  2425. for ( c2 = 0 ; c2 < 8 ; c2++ )
  2426. {
  2427. if ( PC == (WORD) ( c + c2 ))
  2428. {
  2429. curcol = red;
  2430. draw_SEG_digit(surface, left + 326 + c2 * 8, y, yellow, 3, ram[(WORD) ( c + c2 )]);
  2431. }
  2432. else if ( *DPTR == (WORD) ( c + c2 ))
  2433. {
  2434. curcol = lgreen;
  2435. draw_SEG_digit(surface, left + 326 + c2 * 8, y, yellow, 3, ram[(WORD) ( c + c2 )]);
  2436. }
  2437. else
  2438. {
  2439. curcol = white;
  2440. draw_SEG_digit(surface, left + 326 + c2 * 8, y, green, 3, ram[(WORD) ( c + c2 )]);
  2441. }
  2442. hexoutB(left + 48 + c2 * 24, y, curcol, ram[(WORD) ( c + c2 )]);
  2443. textprintf(surface, font, left + 252 + c2 * 8, y, curcol, "%c", ram[(WORD) ( c + c2 )]);
  2444. }
  2445. y += 10;
  2446. }
  2447. hline(surface, frame, surface->h - frame, surface->w - frame, white);
  2448. vline(surface, frame, frame, surface->h - frame, white);
  2449. vline(surface, surface->w - frame, frame, surface->h - frame, white);
  2450. for ( c = frame ; c <= frame + 10 ; c += 2 )
  2451. {
  2452. hline(surface, frame, c, surface->w - frame, white);
  2453. }
  2454. textprintf_centre(surface, mainf, surface->w / 2, frame + 2, white, " RAM Monitor ");
  2455. }
  2456. void ramv::hexoutB(int x, int y, int color, BYTE numb)
  2457. {
  2458. if ( numb > 0x10 )
  2459. {
  2460. textprintf(surface, mainf, x, y, color, "%2x", numb);
  2461. }
  2462. else
  2463. {
  2464. textprintf(surface, mainf, x, y, color, "%2x", numb);
  2465. textprintf(surface, mainf, x, y, color, "0");
  2466. }
  2467. }
  2468. /*bool vret (void)
  2469. {
  2470. if (inportb(0x3da) & 8) return true;
  2471. else return false;
  2472. }*/
  2473. void wait_for_retrace(void)
  2474. {
  2475. /*while (!vret())
  2476. {
  2477. }*/
  2478. //vsync();
  2479. }
  2480. int load_code_table(code_51 *tmp_tab)
  2481. {
  2482. FILE *strio = NULL;
  2483. char _mnem[6];
  2484. int _code;
  2485. int _lenght;
  2486. int _cycles;
  2487. char _datas[12];
  2488. strio = fopen("list51.txt", "r");
  2489. if ( strio )
  2490. {
  2491. for ( int c = 0 ; c < 256 ; c++ )
  2492. {
  2493. fscanf(strio, "%x", &_code);
  2494. fscanf(strio, "%s", _mnem);
  2495. fscanf(strio, "%s", _datas);
  2496. fscanf(strio, "%d", &_lenght);
  2497. fscanf(strio, "%d", &_cycles);
  2498. if ( _mnem[0] == 'E' && _mnem[1] == 'N' && _mnem[2] == 'D' )
  2499. {
  2500. break;
  2501. }
  2502. tmp_tab[_code].code = (BYTE) _code;
  2503. strcpy(tmp_tab[_code].mnem, _mnem);
  2504. strcpy(tmp_tab[_code].datas, _datas);
  2505. tmp_tab[_code].lenght = (BYTE) _lenght;
  2506. tmp_tab[_code].cycles = (BYTE) _cycles;
  2507. }
  2508. fclose(strio);
  2509. }
  2510. else
  2511. {
  2512. ShowMessage("Can't load list51.txt file", screen, 100, 100, 200, 60, "Error!");
  2513. }
  2514. return 0;
  2515. }
  2516. int load_ram(char *filename, BYTE *ram)
  2517. {
  2518. FILE *strin = NULL;
  2519. if ( *filename != 0 )
  2520. {
  2521. strin = fopen(filename, "rb");
  2522. }
  2523. if ( strin == NULL )
  2524. {
  2525. ShowMessage("Can't open the file", screen, 250, 100, 200, 100, "Error!");
  2526. }
  2527. else
  2528. {
  2529. WORD c = 0;
  2530. for ( c ; !feof(strin) ; c++ )
  2531. {
  2532. ram[c] = fgetc(strin);
  2533. }
  2534. fclose(strin);
  2535. }
  2536. return 0;
  2537. }
  2538. int load_hex(char *filename, BYTE *ram)
  2539. {
  2540. FILE *strin;
  2541. int Adr = 0;
  2542. int Cnt;
  2543. //int to_mem;
  2544. int i;
  2545. char line[50];
  2546. char word[5];
  2547. char byte[3];
  2548. byte[2] = word[4] = 0;
  2549. strin = NULL;
  2550. if ( *filename != 0 )
  2551. {
  2552. strin = fopen(filename, "r");
  2553. }
  2554. if ( strin == NULL )
  2555. {
  2556. ShowMessage("Can't open the file", screen, 250, 100, 200, 100, "Error!");
  2557. return -1;
  2558. }
  2559. else
  2560. {
  2561. while ( !feof(strin))
  2562. {
  2563. fscanf(strin, "%s", line);
  2564. //fprintf (out,"%s\n", line);
  2565. byte[0] = line[1];
  2566. byte[1] = line[2];
  2567. sscanf(byte, "%x", &Cnt);
  2568. word[0] = line[3];
  2569. word[1] = line[4];
  2570. word[2] = line[5];
  2571. word[3] = line[6];
  2572. sscanf(word, "%x", &Adr);
  2573. byte[0] = line[7];
  2574. byte[1] = line[8];
  2575. sscanf(byte, "%x", &i);
  2576. if ( i == 1 )
  2577. {
  2578. break;
  2579. }
  2580. else
  2581. {
  2582. byte[2] = 0;
  2583. for ( i = 9 ; i < 9 + Cnt * 2 ; i += 2 )
  2584. {
  2585. byte[0] = line[i];
  2586. byte[1] = line[i + 1];
  2587. sscanf(byte, "%x", ( ram + Adr ));
  2588. Adr++;
  2589. }
  2590. }
  2591. }
  2592. fclose(strin);
  2593. //fclose (out);
  2594. }
  2595. return 0;
  2596. }
  2597. void ChangeMonitedSFRRegister(regs *regwnd)
  2598. {
  2599. char lab[10];
  2600. char ln[3];
  2601. int line_num = 0;
  2602. int reg_adr = 0;
  2603. GetText(ln, screen, 50, 50, 300, 70, 3, "Enter line number (dec)");
  2604. sscanf(ln, "%d", &line_num);
  2605. if ( line_num < 1 || line_num > 25 )
  2606. {
  2607. return;
  2608. }
  2609. GetText(lab, screen, 50, 80, 300, 70, 10, "Enter reg. label (ascii)");
  2610. GetText(ln, screen, 50, 100, 300, 70, 3, "Enter register number (hex)");
  2611. sscanf(ln, "%x", &reg_adr);
  2612. line_num--;
  2613. strcpy(regwnd->reg_label[line_num], lab);
  2614. regwnd->reg[line_num] = (BYTE) reg_adr;
  2615. return;
  2616. }
  2617. void reset51(void)
  2618. {
  2619. if ( QuestionBox("Are you sure want to reset 8051", screen, 250, 240, 300, 60, "Confirm!", makecol(255, 255, 255)))
  2620. {
  2621. init_8051();
  2622. }
  2623. return;
  2624. }
  2625. WORD ViewAt(void)
  2626. {
  2627. char hex4[6];
  2628. int tmp_adr;
  2629. GetText(hex4, screen, 50, 80, 300, 70, 5, "Enter new view point (hex)");
  2630. if ( hex4[0] == 32 )
  2631. {
  2632. return 0;
  2633. }
  2634. sscanf(hex4, "%x", &tmp_adr);
  2635. return (WORD) tmp_adr;
  2636. }
  2637. void ChangePC(void)
  2638. {
  2639. char hex4[5];
  2640. int tmpPC = 0;
  2641. GetText(hex4, screen, 50, 80, 300, 70, 5, "Enter new PC (hex)");
  2642. if ( hex4[0] == 32 )
  2643. {
  2644. return;
  2645. }
  2646. sscanf(hex4, "%x", &tmpPC);
  2647. PC = (WORD) tmpPC;
  2648. return;
  2649. }
  2650. void ChangeRegValue_SFR(void)
  2651. {
  2652. char hex2[3];
  2653. char hex2_a[3];
  2654. int tmp_adr;
  2655. int tmp_dat;
  2656. GetText(hex2_a, screen, 50, 80, 300, 70, 3, "Enter adress from SFR (hex)");
  2657. if ( hex2_a[0] == 32 )
  2658. {
  2659. return;
  2660. }
  2661. GetText(hex2, screen, 60, 90, 300, 70, 3, "Enter byte (hex)");
  2662. sscanf(hex2_a, "%x", &tmp_adr);
  2663. sscanf(hex2, "%x", &tmp_dat);
  2664. SFR[(BYTE) tmp_adr] = (BYTE) tmp_dat;
  2665. return;
  2666. }
  2667. void ChangeRegValue_RAM(void)
  2668. {
  2669. char hex2[3];
  2670. char hex4_a[5];
  2671. int tmp_adr;
  2672. int tmp_dat;
  2673. GetText(hex4_a, screen, 50, 80, 400, 70, 5, "Enter adress from External Memory (hex)");
  2674. if ( hex4_a[0] == 32 )
  2675. {
  2676. return;
  2677. }
  2678. GetText(hex2, screen, 60, 90, 300, 70, 3, "Enter byte (hex)");
  2679. sscanf(hex4_a, "%x", &tmp_adr);
  2680. sscanf(hex2, "%x", &tmp_dat);
  2681. prog[(WORD) tmp_adr] = (BYTE) tmp_dat;
  2682. return;
  2683. }
  2684. void LoadRAM(void)
  2685. {
  2686. char filename[40];
  2687. GetText(filename, screen, 30, 80, 700, 70, 40, "Load *.bin file");
  2688. for ( int c = 38 ; filename[c] == ' ' || filename[c] == '\r' ; c-- )
  2689. {
  2690. filename[c] = 0;
  2691. }
  2692. load_ram(filename, prog);
  2693. return;
  2694. }
  2695. void LoadHEX(void)
  2696. {
  2697. char filename[40];
  2698. GetText(filename, screen, 30, 80, 700, 70, 40, "Load *.hex file");
  2699. for ( int c = 38 ; filename[c] == ' ' || filename[c] == '\r' ; c-- )
  2700. {
  2701. filename[c] = 0;
  2702. }
  2703. load_hex(filename, prog);
  2704. return;
  2705. }
  2706. void LoadSrc(void)
  2707. {
  2708. char cmd[256];
  2709. char filename[256];
  2710. char comp_msg[512];
  2711. FILE *msgin;
  2712. int c = 0;
  2713. GetText(filename, screen, 30, 80, 700, 70, 40, "Load and compile source file (*.*)");
  2714. sprintf(cmd, "asm51.exe %s > out.tmp", filename);
  2715. system(cmd);
  2716. msgin = NULL;
  2717. msgin = fopen("out.tmp", "rb");
  2718. if ( msgin == NULL )
  2719. {
  2720. ShowMessage("Can't open the file: out.tmp", screen, 250, 100, 200, 100, "Error!");
  2721. }
  2722. else
  2723. {
  2724. for ( c ; c <= 0xffff ; c++ )
  2725. {
  2726. comp_msg[c] = fgetc(msgin);
  2727. if ( feof(msgin))
  2728. {
  2729. break;
  2730. }
  2731. }
  2732. fclose(msgin);
  2733. }
  2734. ShowMsgEx(comp_msg, screen, 100, 80, 600, 140, "Assembling status", makecol(255, 255, 255));
  2735. for ( c = 512 ; c > 0 ; c-- )
  2736. {
  2737. if ( comp_msg[c] == ',' && comp_msg[c + 2] == '0' )
  2738. {
  2739. change_ext(filename);
  2740. if ( load_hex(filename, prog) == 0 )
  2741. {
  2742. ShowMessage("Compiled file is loaded.", screen, 250, 100, 300, 80, "Message!");
  2743. }
  2744. break;
  2745. }
  2746. }
  2747. return;
  2748. }
  2749. void EditSrc(void)
  2750. {
  2751. code_editor ed1;
  2752. ed1.process();
  2753. return;
  2754. }
  2755. void ChMaxI(int *maxi)
  2756. {
  2757. char dec6_a[7];
  2758. GetText(dec6_a, screen, 50, 80, 400, 70, 7, "Enter number of instructions per frame");
  2759. if ( dec6_a[0] == 32 )
  2760. {
  2761. return;
  2762. }
  2763. sscanf(dec6_a, "%d", maxi);
  2764. return;
  2765. }
  2766. void ChMemMode(void)
  2767. {
  2768. if ( QuestionBox("Do you want to use memory in mixed mode?", screen, 100, 100, 400, 60, "Qusetion?", white))
  2769. {
  2770. ram = EXT_PMEM;
  2771. }
  2772. else
  2773. {
  2774. ram = EXT_RAM;
  2775. }
  2776. }
  2777. void FillExt(void)
  2778. {
  2779. char h4beg[5], h4end[5], h2f[3];
  2780. int from, to, i, ic = 1, fill;
  2781. GetText(h4beg, screen, 50, 80, 400, 70, 5, "From adress... (16bit hex)");
  2782. GetText(h4end, screen, 50, 80, 400, 70, 5, "...to adress (16bit hex)");
  2783. GetText(h2f, screen, 50, 80, 400, 70, 3, "with byte (8bit hex)");
  2784. sscanf(h4beg, "%x", &from);
  2785. sscanf(h4end, "%x", &to);
  2786. sscanf(h2f, "%x", &fill);
  2787. if ( from > to )
  2788. {
  2789. ic = -1;
  2790. }
  2791. for ( i = from ; i != to ; i += ic )
  2792. {
  2793. ram[i] = fill;
  2794. }
  2795. ram[to] = fill;
  2796. return;
  2797. }
  2798. void main_init(void)
  2799. {
  2800. load_code_table(asm51);
  2801. //load_ram ("lekcja3.bin",ram);
  2802. //load_ram ("avt.bin",ram);
  2803. init_8051();
  2804. allegro_init();
  2805. install_timer();
  2806. install_keyboard();
  2807. //install_mouse();
  2808. set_color_depth(8);
  2809. set_gfx_mode(GFX_AUTODETECT_WINDOWED, 800, 600, 0, 0);
  2810. //set_gfx_mode (GFX_AUTODETECT, 800, 600,0,0);
  2811. set_palette(desktop_palette);
  2812. //show_mouse (screen);
  2813. RGB col;
  2814. col.r = 0;
  2815. col.g = 0;
  2816. col.b = 0;
  2817. set_color(0, &col);
  2818. col.r = 63;
  2819. col.g = 15;
  2820. col.b = 0;
  2821. set_color(1, &col);
  2822. col.r = 20;
  2823. col.g = 0;
  2824. col.b = 0;
  2825. set_color(2, &col);
  2826. col.r = 255;
  2827. col.g = 255;
  2828. col.b = 255;
  2829. set_color(255, &col);
  2830. DATAFILE *dataf;
  2831. dataf = load_datafile("data.dat");
  2832. mainf = (FONT *) dataf[0].dat;
  2833. }
  2834. int main(void)
  2835. {
  2836. main_init();
  2837. white = makecol(255, 255, 255);
  2838. red = makecol(255, 0, 0);
  2839. lred = makecol(255, 64, 0);
  2840. green = makecol(0, 255, 0);
  2841. blue = makecol(0, 0, 255);
  2842. dis_asm disasm(prog, screen);
  2843. regs SFRregs(SFR, screen);
  2844. flags FlagWnd(screen);
  2845. ramv RMon(screen);
  2846. strcpy(SFRregs.reg_label[0], "Delay AVT");
  2847. SFRregs.reg[0] = 0x75;
  2848. strcpy(SFRregs.reg_label[1], "Key AVT ");
  2849. SFRregs.reg[1] = 0x76;
  2850. strcpy(SFRregs.reg_label[2], "DPH ");
  2851. SFRregs.reg[2] = 0x83;
  2852. strcpy(SFRregs.reg_label[3], "DPL ");
  2853. SFRregs.reg[3] = 0x82;
  2854. strcpy(SFRregs.reg_label[4], "PSW ");
  2855. SFRregs.reg[4] = 0xd0;
  2856. strcpy(SFRregs.reg_label[5], "P0 ");
  2857. SFRregs.reg[5] = 0x80;
  2858. strcpy(SFRregs.reg_label[6], "P1 ");
  2859. SFRregs.reg[6] = 0x90;
  2860. strcpy(SFRregs.reg_label[7], "P2 ");
  2861. SFRregs.reg[7] = 0xa0;
  2862. strcpy(SFRregs.reg_label[8], "P3 ");
  2863. SFRregs.reg[8] = 0xb0;
  2864. strcpy(SFRregs.reg_label[9], "TH1 ");
  2865. SFRregs.reg[9] = 0x8d;
  2866. strcpy(SFRregs.reg_label[10], "TL1 ");
  2867. SFRregs.reg[10] = 0x8b;
  2868. strcpy(SFRregs.reg_label[11], "TH0 ");
  2869. SFRregs.reg[11] = 0x8c;
  2870. strcpy(SFRregs.reg_label[12], "TL0 ");
  2871. SFRregs.reg[12] = 0x8a;
  2872. strcpy(SFRregs.reg_label[13], "IE ");
  2873. SFRregs.reg[13] = 0xa8;
  2874. strcpy(SFRregs.reg_label[14], "10 ");
  2875. SFRregs.reg[14] = 0x12;
  2876. strcpy(SFRregs.reg_label[15], "9 ");
  2877. SFRregs.reg[15] = 0x11;
  2878. strcpy(SFRregs.reg_label[16], "8 ");
  2879. SFRregs.reg[16] = 0x10;
  2880. strcpy(SFRregs.reg_label[17], "7 ");
  2881. SFRregs.reg[17] = 0x0f;
  2882. strcpy(SFRregs.reg_label[18], "6 ");
  2883. SFRregs.reg[18] = 0x0e;
  2884. strcpy(SFRregs.reg_label[19], "5 ");
  2885. SFRregs.reg[19] = 0x0d;
  2886. strcpy(SFRregs.reg_label[20], "4 ");
  2887. SFRregs.reg[20] = 0x0c;
  2888. strcpy(SFRregs.reg_label[21], "3 ");
  2889. SFRregs.reg[21] = 0x0b;
  2890. strcpy(SFRregs.reg_label[22], "2 ");
  2891. SFRregs.reg[22] = 0x0a;
  2892. strcpy(SFRregs.reg_label[23], "1 ");
  2893. SFRregs.reg[23] = 0x09;
  2894. strcpy(SFRregs.reg_label[24], "0 ");
  2895. SFRregs.reg[24] = 0x08;
  2896. PC = 0x0000;
  2897. WORD aadr = 0x0000;
  2898. WORD madr = 0x0000;
  2899. bool manual_scrolling = true;
  2900. bool step = true;
  2901. bool into = false;
  2902. bool over = false;
  2903. unsigned long cnt = 0;
  2904. int break_point = -1;
  2905. char break_str[5];
  2906. //load_ram("avt.bin",ram);
  2907. int i = 0, maxi = 13000;
  2908. while ( !( key[KEY_X] && key[KEY_ALT] ))
  2909. {
  2910. rect(screen, 2, 2, 798, 18, white);
  2911. // key shortcuts disp
  2912. rect(screen, 2, 521, 798, 598, white);
  2913. textprintf(screen, mainf, 128, 528, white,
  2914. "F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12");
  2915. textprintf(screen, mainf, 128, 548, white,
  2916. "Help ChSFR ManS Debug DView WrPC TInto SOver SrcEd FillE Speed Reset");
  2917. textprintf(screen, mainf, 128, 568, white,
  2918. "WrRAM WrSFR AutoS Run MView LdBIN LdHEX LdSrc BrkPt MemMod ");
  2919. hline(screen, 2, 540, 798, white);
  2920. textprintf(screen, mainf, 6, 548, white, "Function key :");
  2921. hline(screen, 2, 560, 798, white);
  2922. textprintf(screen, mainf, 6, 568, white, "Shift+key :");
  2923. hline(screen, 2, 580, 798, white);
  2924. textprintf(screen, mainf, 6, 587, white, "Alt+X: Exit ");
  2925. textout(screen, mainf, "emu51 v0.03 alpha (Mariusz Kasolik)", 6, 7, white);
  2926. textout(screen, mainf, "AVT-2250 Segment display:", 490, 6, white);
  2927. if ( ram == prog )
  2928. {
  2929. rect(screen, 680, 568, 680 + 6, 575, red);
  2930. }
  2931. cnt++;
  2932. if ( manual_scrolling )
  2933. {
  2934. disasm.draw(aadr);
  2935. }
  2936. else
  2937. {
  2938. disasm.draw(PC);
  2939. }
  2940. disasm.blit_it(0, 20);
  2941. RMon.draw(madr);
  2942. RMon.blit_it(300, 320);
  2943. SFRregs.draw();
  2944. SFRregs.blit_it(400, 20);
  2945. FlagWnd.draw();
  2946. FlagWnd.blit_it(300, 20);
  2947. if ( !step )
  2948. {
  2949. for ( i = 0 ; i < maxi ; i++ )
  2950. {
  2951. if ( PC == break_point )
  2952. {
  2953. step = true;
  2954. break;
  2955. }
  2956. asm51[prog[PC]].process();
  2957. }
  2958. }
  2959. else
  2960. {
  2961. if ( over )
  2962. {
  2963. asm51[prog[PC]].process();
  2964. over = false;
  2965. }
  2966. if ( into )
  2967. {
  2968. asm51[prog[PC]].process();
  2969. into = false;
  2970. }
  2971. }
  2972. for ( i = 0 ; i <= 7 ; i++ )
  2973. {
  2974. // for compatibility with avt2250
  2975. draw_SEG_digit(screen, 700 + 8 * i, 6, lred, 4, SFR[i + 0x78]);
  2976. }
  2977. if ( key[KEY_LCONTROL] )
  2978. {
  2979. if ( key[KEY_0_PAD] )
  2980. {
  2981. SFR[0x76] = 0x30;
  2982. }
  2983. if ( key[KEY_1_PAD] )
  2984. {
  2985. SFR[0x76] = 0x31;
  2986. }
  2987. if ( key[KEY_2_PAD] )
  2988. {
  2989. SFR[0x76] = 0x32;
  2990. }
  2991. if ( key[KEY_3_PAD] )
  2992. {
  2993. SFR[0x76] = 0x33;
  2994. }
  2995. if ( key[KEY_4_PAD] )
  2996. {
  2997. SFR[0x76] = 0x34;
  2998. }
  2999. if ( key[KEY_5_PAD] )
  3000. {
  3001. SFR[0x76] = 0x35;
  3002. }
  3003. if ( key[KEY_6_PAD] )
  3004. {
  3005. SFR[0x76] = 0x36;
  3006. }
  3007. if ( key[KEY_7_PAD] )
  3008. {
  3009. SFR[0x76] = 0x37;
  3010. }
  3011. if ( key[KEY_8_PAD] )
  3012. {
  3013. SFR[0x76] = 0x38;
  3014. }
  3015. if ( key[KEY_9_PAD] )
  3016. {
  3017. SFR[0x76] = 0x39;
  3018. }
  3019. if ( key[KEY_INSERT] )
  3020. {
  3021. SFR[0x76] = 0x41;
  3022. }
  3023. if ( key[KEY_HOME] )
  3024. {
  3025. SFR[0x76] = 0x42;
  3026. }
  3027. if ( key[KEY_PGUP] )
  3028. {
  3029. SFR[0x76] = 0x43;
  3030. }
  3031. if ( key[KEY_DEL] )
  3032. {
  3033. SFR[0x76] = 0x44;
  3034. }
  3035. if ( key[KEY_END] )
  3036. {
  3037. SFR[0x76] = 0x45;
  3038. }
  3039. if ( key[KEY_PGDN] )
  3040. {
  3041. SFR[0x76] = 0x46;
  3042. }
  3043. if ( key[KEY_ENTER_PAD] )
  3044. {
  3045. SFR[0x76] = 0x0d;
  3046. }
  3047. }
  3048. else
  3049. {
  3050. if ( key[KEY_UP] )
  3051. {
  3052. aadr -= 3;
  3053. }
  3054. if ( key[KEY_DOWN] )
  3055. {
  3056. aadr += get_lenght(prog[aadr]);
  3057. aadr += get_lenght(prog[aadr]);
  3058. }
  3059. if ( key[KEY_PGUP] && !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ))
  3060. {
  3061. madr -= 16;
  3062. }
  3063. if ( key[KEY_PGDN] && !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ))
  3064. {
  3065. madr += 16;
  3066. }
  3067. if ( key[KEY_PGUP] && ( key[KEY_LSHIFT] || key[KEY_RSHIFT] ))
  3068. {
  3069. madr -= 1;
  3070. }
  3071. if ( key[KEY_PGDN] && ( key[KEY_LSHIFT] || key[KEY_RSHIFT] ))
  3072. {
  3073. madr += 1;
  3074. }
  3075. if ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F2] )
  3076. {
  3077. ChangeMonitedSFRRegister(&SFRregs);
  3078. }
  3079. if (( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F2] )
  3080. {
  3081. ChangeRegValue_SFR();
  3082. }
  3083. if (( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F1] )
  3084. {
  3085. ChangeRegValue_RAM();
  3086. }
  3087. if ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F3] )
  3088. {
  3089. manual_scrolling = true;
  3090. }
  3091. if (( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F3] )
  3092. {
  3093. manual_scrolling = false;
  3094. }
  3095. if ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F4] )
  3096. {
  3097. step = true;
  3098. }
  3099. if (( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F4] )
  3100. {
  3101. step = false;
  3102. }
  3103. if ( step )
  3104. {
  3105. if ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F7] )
  3106. {
  3107. into = true;
  3108. }
  3109. while ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F7] )
  3110. {
  3111. }
  3112. if ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F8] )
  3113. {
  3114. over = true;
  3115. }
  3116. while ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F8] )
  3117. {
  3118. }
  3119. }
  3120. if ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F5] )
  3121. {
  3122. aadr = ViewAt();
  3123. }
  3124. if (( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F5] )
  3125. {
  3126. madr = ViewAt();
  3127. }
  3128. if ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F6] )
  3129. {
  3130. ChangePC();
  3131. }
  3132. if (( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F7] )
  3133. {
  3134. LoadRAM();
  3135. }
  3136. if (( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F8] )
  3137. {
  3138. LoadHEX();
  3139. }
  3140. if (( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F9] )
  3141. {
  3142. LoadSrc();
  3143. }
  3144. if ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F9] )
  3145. {
  3146. EditSrc();
  3147. }
  3148. if ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F12] )
  3149. {
  3150. reset51();
  3151. }
  3152. if ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F11] )
  3153. {
  3154. ChMaxI(&maxi);
  3155. }
  3156. if (( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F11] )
  3157. {
  3158. ChMemMode();
  3159. }
  3160. if ( !( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F10] )
  3161. {
  3162. FillExt();
  3163. }
  3164. if (( key[KEY_LSHIFT] || key[KEY_RSHIFT] ) && key[KEY_F10] )
  3165. {
  3166. GetText(break_str, screen, 50, 80, 400, 70, 5, "Enter break piont adress");
  3167. sscanf(break_str, "%x", &break_point);
  3168. }
  3169. }
  3170. }
  3171. return 0;
  3172. }
  3173. END_OF_MAIN();