psp/psp.c

   1 #include <pspkernel.h>
   2 #include <pspdisplay.h>
   3 #include <pspgu.h>
   4
   5 #include "psp.h"
   6 #include "../common/lprintf.h"
   7
   8 PSP_MODULE_INFO("PicoDrive", 0, 1, 34);
   9
  10 void *psp_screen = PSP_VRAM_BASE0;
  11 static int current_screen = 0; /* front bufer */
  12
  13
  14 /* Exit callback */
  15 static int exit_callback(int arg1, int arg2, void *common)
  16 {
  17         sceKernelExitGame();
  18         return 0;
  19 }
  20
  21 /* Callback thread */
  22 static int callback_thread(SceSize args, void *argp)
  23 {
  24         int cbid;
  25
  26         lprintf("callback_thread started with id %i\n", sceKernelGetThreadId());
  27
  28         cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
  29         sceKernelRegisterExitCallback(cbid);
  30
  31         sceKernelSleepThreadCB();
  32
  33         return 0;
  34 }
  35
  36 void psp_init(void)
  37 {
  38         int thid;
  39
  40         lprintf("entered psp_init, threadId %i\n", sceKernelGetThreadId());
  41
  42         thid = sceKernelCreateThread("update_thread", callback_thread, 0x11, 0xFA0, 0, 0);
  43         if (thid >= 0)
  44         {
  45                 sceKernelStartThread(thid, 0, 0);
  46         }
  47
  48         /* video */
  49         sceDisplaySetMode(0, 480, 272);
  50         sceDisplaySetFrameBuf(PSP_VRAM_BASE1, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
  51         current_screen = 1;
  52         psp_screen = PSP_VRAM_BASE0;
  53
  54         /* gu */
  55         sceGuInit();
  56
  57         /* input */
  58         sceCtrlSetSamplingCycle(0);
  59         sceCtrlSetSamplingMode(0);
  60 }
  61
  62 void psp_finish(void)
  63 {
  64         sceGuTerm();
  65
  66         //sceKernelSleepThread();
  67         sceKernelExitGame();
  68 }
  69
  70 void psp_video_flip(void)
  71 {
  72         sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
  73         current_screen ^= 1;
  74         psp_screen = current_screen ? PSP_VRAM_BASE1 : PSP_VRAM_BASE0;
  75 }
  76
  77 void psp_video_switch_to_single(void)
  78 {
  79         psp_screen = PSP_VRAM_BASE0;
  80         sceDisplaySetFrameBuf(psp_screen, 512, PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
  81         current_screen = 0;
  82 }
  83
  84 void psp_msleep(int ms)
  85 {
  86         sceKernelDelayThread(ms * 1000);
  87 }
  88
  89 unsigned int psp_pad_read(void)
  90 {
  91         SceCtrlData pad;
  92         sceCtrlReadBufferPositive(&pad, 1);
  93
  94         return pad.Buttons;
  95 }
  96