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- #include <stdio.h>
- #include <stdlib.h>
- #include <stdarg.h>
- #include <string.h>
- #include <pspkernel.h>
- #include <pspiofilemgr.h>
- #include <pspdisplay.h>
- #include <psppower.h>
- #include <psprtc.h>
- #include <pspgu.h>
- #include "psp.h"
- #include "emu.h"
- #include "../common/lprintf.h"
- PSP_MODULE_INFO("PicoDrive", 0, 1, 34);
- PSP_HEAP_SIZE_MAX();
- unsigned int __attribute__((aligned(16))) guCmdList[GU_CMDLIST_SIZE];
- void *psp_screen = VRAM_FB0;
- static int current_screen = 0; /* front bufer */
- static SceUID main_thread_id = -1;
- #define ANALOG_DEADZONE 80
- /* Exit callback */
- static int exit_callback(int arg1, int arg2, void *common)
- {
- sceKernelExitGame();
- return 0;
- }
- /* Power Callback */
- static int power_callback(int unknown, int pwrflags, void *common)
- {
- /* check for power switch and suspending as one is manual and the other automatic */
- if (pwrflags & PSP_POWER_CB_POWER_SWITCH || pwrflags & PSP_POWER_CB_SUSPENDING)
- {
- lprintf("power_callback: flags: 0x%08X: suspending\n", pwrflags);
- engineState = PGS_Menu;
- }
- sceDisplayWaitVblankStart();
- return 0;
- }
- /* Callback thread */
- static int callback_thread(SceSize args, void *argp)
- {
- int cbid;
- lprintf("callback_thread started with id %08x, priority %i\n",
- sceKernelGetThreadId(), sceKernelGetThreadCurrentPriority());
- cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
- sceKernelRegisterExitCallback(cbid);
- cbid = sceKernelCreateCallback("Power Callback", power_callback, NULL);
- scePowerRegisterCallback(0, cbid);
- sceKernelSleepThreadCB();
- return 0;
- }
- void psp_init(void)
- {
- SceUID thid;
- main_thread_id = sceKernelGetThreadId();
- lprintf("running on %08x kernel\n", sceKernelDevkitVersion()),
- lprintf("entered psp_init, threadId %08x, priority %i\n", main_thread_id,
- sceKernelGetThreadCurrentPriority());
- thid = sceKernelCreateThread("update_thread", callback_thread, 0x11, 0xFA0, 0, 0);
- if (thid >= 0)
- {
- sceKernelStartThread(thid, 0, 0);
- }
- /* video */
- sceDisplaySetMode(0, 480, 272);
- sceDisplaySetFrameBuf(VRAM_FB1, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
- current_screen = 1;
- psp_screen = VRAM_FB0;
- /* gu */
- sceGuInit();
- sceGuStart(GU_DIRECT, guCmdList);
- sceGuDrawBuffer(GU_PSM_5650, (void *)VRAMOFFS_FB0, 512);
- sceGuDispBuffer(480, 272, (void *)VRAMOFFS_FB1, 512); // don't care
- sceGuClear(GU_COLOR_BUFFER_BIT | GU_DEPTH_BUFFER_BIT);
- sceGuDepthBuffer((void *)VRAMOFFS_DEPTH, 512);
- sceGuOffset(2048 - (480 / 2), 2048 - (272 / 2));
- sceGuViewport(2048, 2048, 480, 272);
- sceGuDepthRange(0xc350, 0x2710);
- sceGuScissor(0, 0, 480, 272);
- sceGuEnable(GU_SCISSOR_TEST);
- sceGuDepthMask(0xffff);
- sceGuDisable(GU_DEPTH_TEST);
- sceGuFrontFace(GU_CW);
- sceGuEnable(GU_TEXTURE_2D);
- sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGB);
- sceGuAmbientColor(0xffffffff);
- sceGuColor(0xffffffff);
- sceGuFinish();
- sceGuSync(0, 0);
- sceDisplayWaitVblankStart();
- sceGuDisplay(GU_TRUE);
- /* input */
- sceCtrlSetSamplingCycle(0);
- sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);
- }
- void psp_finish(void)
- {
- sceGuTerm();
- //sceKernelSleepThread();
- sceKernelExitGame();
- }
- void psp_video_flip(int wait_vsync)
- {
- if (wait_vsync) sceDisplayWaitVblankStart();
- sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565,
- wait_vsync ? PSP_DISPLAY_SETBUF_IMMEDIATE : PSP_DISPLAY_SETBUF_NEXTFRAME);
- current_screen ^= 1;
- psp_screen = current_screen ? VRAM_FB0 : VRAM_FB1;
- }
- void *psp_video_get_active_fb(void)
- {
- return current_screen ? VRAM_FB1 : VRAM_FB0;
- }
- void psp_video_switch_to_single(void)
- {
- psp_screen = VRAM_FB0;
- sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
- current_screen = 0;
- }
- void psp_msleep(int ms)
- {
- sceKernelDelayThread(ms * 1000);
- }
- unsigned int psp_pad_read(int blocking)
- {
- unsigned int buttons;
- SceCtrlData pad;
- if (blocking)
- sceCtrlReadBufferPositive(&pad, 1);
- else sceCtrlPeekBufferPositive(&pad, 1);
- buttons = pad.Buttons;
- // analog..
- buttons &= ~(BTN_NUB_UP|BTN_NUB_DOWN|BTN_NUB_LEFT|BTN_NUB_RIGHT);
- if (pad.Lx < 128 - ANALOG_DEADZONE) buttons |= BTN_NUB_LEFT;
- if (pad.Lx > 128 + ANALOG_DEADZONE) buttons |= BTN_NUB_RIGHT;
- if (pad.Ly < 128 - ANALOG_DEADZONE) buttons |= BTN_NUB_UP;
- if (pad.Ly > 128 + ANALOG_DEADZONE) buttons |= BTN_NUB_DOWN;
- return buttons;
- }
- int psp_get_cpu_clock(void)
- {
- return scePowerGetCpuClockFrequencyInt();
- }
- int psp_set_cpu_clock(int clock)
- {
- int ret = scePowerSetClockFrequency(clock, clock, clock/2);
- if (ret != 0) lprintf("failed to set clock: %i\n", ret);
- return ret;
- }
- char *psp_get_status_line(void)
- {
- static char buff[64];
- int ret, bat_percent, bat_time;
- pspTime time;
- ret = sceRtcGetCurrentClockLocalTime(&time);
- bat_percent = scePowerGetBatteryLifePercent();
- bat_time = scePowerGetBatteryLifeTime();
- if (ret < 0 || bat_percent < 0 || bat_time < 0) return NULL;
- snprintf(buff, sizeof(buff), "%02i:%02i bat: %3i%%", time.hour, time.minutes, bat_percent);
- if (!scePowerIsPowerOnline())
- snprintf(buff+strlen(buff), sizeof(buff)-strlen(buff), " (%i:%02i)", bat_time/60, bat_time%60);
- return buff;
- }
- /* alt logging */
- #define LOG_FILE "log.txt"
- typedef struct _log_entry
- {
- char buff[256];
- struct _log_entry *next;
- } log_entry;
- static log_entry *le_root = NULL;
- void lprintf_f(const char *fmt, ...)
- {
- va_list vl;
- #ifdef LPRINTF_STDIO
- va_start(vl, fmt);
- vprintf(fmt, vl);
- va_end(vl);
- #else
- static SceUID logfd = -1;
- char buff[256];
- log_entry *le, *le1;
- if (logfd == -2) return; // disabled
- va_start(vl, fmt);
- vsnprintf(buff, sizeof(buff), fmt, vl);
- va_end(vl);
- // note: this is still unsafe code
- if (main_thread_id != sceKernelGetThreadId())
- {
- le = malloc(sizeof(*le));
- if (le == NULL) return;
- le->next = NULL;
- strcpy(le->buff, buff);
- if (le_root == NULL) le_root = le;
- else {
- for (le1 = le_root; le1->next != NULL; le1 = le1->next);
- le1->next = le;
- }
- return;
- }
- logfd = sceIoOpen(LOG_FILE, PSP_O_WRONLY|PSP_O_APPEND, 0777);
- if (logfd < 0) {
- logfd = -2;
- return;
- }
- if (le_root != NULL)
- {
- le1 = le_root;
- le_root = NULL;
- sceKernelDelayThread(1000);
- while (le1 != NULL) {
- le = le1;
- le1 = le->next;
- sceIoWrite(logfd, le->buff, strlen(le->buff));
- free(le);
- }
- }
- sceIoWrite(logfd, buff, strlen(buff));
- // make sure it gets flushed
- sceIoClose(logfd);
- logfd = -1;
- #endif
- }
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