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- /*
- * PicoDrive
- * (C) notaz, 2007
- *
- * This work is licensed under the terms of MAME license.
- * See COPYING file in the top-level directory.
- */
- #include "../pico_int.h"
- unsigned char formatted_bram[4*0x10] =
- {
- #if 0
- 0x00, 0xd4, 0x63, 0x00, 0x00, 0x03, 0x03, 0x00, 0x03, 0x03, 0x03, 0x00, 0x03, 0x00, 0x00, 0x03,
- 0x00, 0x03, 0x00, 0x00, 0x00, 0x03, 0x03, 0x00, 0x53, 0xd2, 0xf5, 0x3a, 0x48, 0x50, 0x35, 0x0f,
- 0x47, 0x14, 0xf5, 0x7e, 0x5c, 0xd4, 0xf3, 0x03, 0x00, 0x03, 0x12, 0x00, 0x0a, 0xff, 0xca, 0xa6,
- 0xf5, 0x27, 0xed, 0x22, 0x47, 0xfa, 0x22, 0x96, 0x6c, 0xa5, 0x88, 0x14, 0x48, 0x48, 0x0a, 0xbb,
- #endif
- 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x00, 0x00, 0x00, 0x00, 0x40,
- 0x00, 0x7d, 0x00, 0x7d, 0x00, 0x7d, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x53, 0x45, 0x47, 0x41, 0x5f, 0x43, 0x44, 0x5f, 0x52, 0x4f, 0x4d, 0x00, 0x01, 0x00, 0x00, 0x00,
- 0x52, 0x41, 0x4d, 0x5f, 0x43, 0x41, 0x52, 0x54, 0x52, 0x49, 0x44, 0x47, 0x45, 0x5f, 0x5f, 0x5f,
- // SEGA_CD_ROM.....RAM_CARTRIDGE___
- };
- // offs | 2Mbit | 1Mbit |
- // 0 | [ 2M | unused |
- // 128K | bit ] | bank0 |
- // 256K | unused | bank1 |
- #ifndef _ASM_MISC_C
- PICO_INTERNAL_ASM void wram_2M_to_1M(unsigned char *m)
- {
- unsigned short *m1M_b0, *m1M_b1;
- unsigned int i, tmp, *m2M;
- m2M = (unsigned int *) (m + 0x40000);
- m1M_b0 = (unsigned short *) m2M;
- m1M_b1 = (unsigned short *) (m + 0x60000);
- for (i = 0x40000/4; i; i--)
- {
- tmp = *(--m2M);
- *(--m1M_b0) = tmp;
- *(--m1M_b1) = tmp >> 16;
- }
- }
- PICO_INTERNAL_ASM void wram_1M_to_2M(unsigned char *m)
- {
- unsigned short *m1M_b0, *m1M_b1;
- unsigned int i, tmp, *m2M;
- m2M = (unsigned int *) m;
- m1M_b0 = (unsigned short *) (m + 0x20000);
- m1M_b1 = (unsigned short *) (m + 0x40000);
- for (i = 0x40000/4; i; i--)
- {
- tmp = *m1M_b0++ | (*m1M_b1++ << 16);
- *m2M++ = tmp;
- }
- }
- #endif
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