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https://github.com/RaySollium99/picodrive.git
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Pico fixes
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@446 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
ed367a3f7c
commit
213c16adcb
5 changed files with 71 additions and 31 deletions
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@ -38,12 +38,12 @@ static u32 PicoReadPico8(u32 a)
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d = ~d;
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break;
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case 0x05: d = (PicoPicohw.pen_pos[0] >> 8) & 3; break; // what is MS bit for? Games read it..
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case 0x05: d = (PicoPicohw.pen_pos[0] >> 8); break; // what is MS bit for? Games read it..
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case 0x07: d = PicoPicohw.pen_pos[0] & 0xff; break;
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case 0x09: d = (PicoPicohw.pen_pos[1] >> 8) & 3; break;
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case 0x09: d = (PicoPicohw.pen_pos[1] >> 8); break;
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case 0x0b: d = PicoPicohw.pen_pos[1] & 0xff; break;
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case 0x0d: d = (1 << (PicoPicohw.page & 7)) - 1; break;
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case 0x12: d = 0x80; break;
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case 0x12: d = PicoPicohw.fifo_bytes == 0 ? 0x80 : 0; break; // guess
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default:
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elprintf(EL_UIO, "r8 : %06x, %02x @%06x", a&0xffffff, (u8)d, SekPc);
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break;
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@ -74,6 +74,8 @@ static u32 PicoReadPico16(u32 a)
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if (a == 0x800010)
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d = (PicoPicohw.fifo_bytes > 0x3f) ? 0 : (0x3f - PicoPicohw.fifo_bytes);
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else if (a == 0x800012)
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d = PicoPicohw.fifo_bytes == 0 ? 0x8000 : 0; // guess
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elprintf(EL_UIO, "r16: %06x, %04x @%06x", a&0xffffff, d, SekPc);
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@ -156,7 +158,12 @@ static void PicoWritePico16(u32 a,u16 d)
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PicoPicohw.xpcm_ptr++;
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}
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}
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else if (a == 0x800012) PicoPicohw.r12 = d;
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else if (a == 0x800012) {
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int r12_old = PicoPicohw.r12;
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PicoPicohw.r12 = d;
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if (r12_old != d)
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PicoReratePico();
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}
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elprintf(EL_UIO, "w16: %06x, %04x", a&0xffffff, d);
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}
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@ -6,14 +6,15 @@
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picohw_state PicoPicohw;
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static int prev_line_cnt_irq3 = 0, prev_line_cnt_irq5 = 0;
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static int fifo_bytes_line = (16000<<16)/60/262/2; // fifo bytes/line. FIXME: other rates, modes
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static int fifo_bytes_line = (16000<<16)/60/262/2;
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PICO_INTERNAL void PicoReratePico(void)
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{
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int rate = (PicoPicohw.r12 & 0xf) ? 16000 : 8000;
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if (Pico.m.pal)
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fifo_bytes_line = (16000<<16)/50/312/2;
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else fifo_bytes_line = (16000<<16)/60/262/2;
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PicoPicoPCMRerate();
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fifo_bytes_line = (rate<<16)/50/312/2;
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else fifo_bytes_line = (rate<<16)/60/262/2;
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PicoPicoPCMRerate(rate);
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}
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static void PicoLinePico(int count)
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@ -74,8 +75,8 @@ PICO_INTERNAL int PicoInitPico(void)
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PicoAHW = PAHW_PICO;
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memset(&PicoPicohw, 0, sizeof(PicoPicohw));
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PicoPicohw.pen_pos[0] = 0x03c + 352/2;
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PicoPicohw.pen_pos[1] = 0x200 + 252/2;
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PicoPicohw.pen_pos[0] = 0x03c + 320/2;
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PicoPicohw.pen_pos[1] = 0x200 + 240/2;
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prev_line_cnt_irq3 = prev_line_cnt_irq5 = 0;
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// map version register
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@ -28,7 +28,7 @@ static const int TableQuant[8] =
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};
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// changed using trial and error..
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//const int quant_mul[16] = { 1, 3, 5, 7, 9, 11, 13, 15, -1, -3, -5, -7, -9, -11, -13, -15 };
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//static const int quant_mul[16] = { 1, 3, 5, 7, 9, 11, 13, 15, -1, -3, -5, -7, -9, -11, -13, -15 };
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static const int quant_mul[16] = { 1, 3, 5, 7, 9, 11, 13, -1, -1, -3, -5, -7, -9, -11, -13, -15 };
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static int sample = 0, quant = 0, sgn = 0;
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@ -42,19 +42,20 @@ PICO_INTERNAL void PicoPicoPCMReset(void)
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memset(PicoPicohw.xpcm_buffer, 0, sizeof(PicoPicohw.xpcm_buffer));
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}
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PICO_INTERNAL void PicoPicoPCMRerate(void)
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PICO_INTERNAL void PicoPicoPCMRerate(int xpcm_rate)
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{
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stepsamples = (PsndRate<<10)/16000;
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stepsamples = (PsndRate<<10)/xpcm_rate;
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}
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#define XSHIFT 7
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#define XSHIFT 6
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#define do_sample() \
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{ \
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sample += quant * quant_mul[srcval] >> XSHIFT; \
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int delta = quant * quant_mul[srcval] >> XSHIFT; \
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sample += delta - (delta >> 2); /* 3/4 */ \
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quant = (quant * TableQuant[srcval&7]) >> ADPCMSHIFT; \
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Limit(quant, 0x6000, 0x7f); \
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Limit(sample, 32767/2, -32768/2); \
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Limit(sample, 32767*3/4, -32768*3/4); \
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}
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PICO_INTERNAL void PicoPicoPCMUpdate(short *buffer, int length, int stereo)
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@ -448,7 +448,7 @@ PICO_INTERNAL void PicoReratePico(void);
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// Pico/xpcm.c
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PICO_INTERNAL void PicoPicoPCMUpdate(short *buffer, int length, int stereo);
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PICO_INTERNAL void PicoPicoPCMReset(void);
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PICO_INTERNAL void PicoPicoPCMRerate(void);
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PICO_INTERNAL void PicoPicoPCMRerate(int xpcm_rate);
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// Sek.c
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PICO_INTERNAL int SekInit(void);
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@ -53,7 +53,9 @@ char noticeMsg[64]; // notice msg to draw
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unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer
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int reset_timing = 0;
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static int pico_pen_x = 0, pico_pen_y = 0, pico_inp_mode = 0;
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#define PICO_PEN_ADJUST_X 4
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#define PICO_PEN_ADJUST_Y 2
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static int pico_pen_x = 320/2, pico_pen_y = 240/2, pico_inp_mode = 0;
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static void emu_msg_cb(const char *msg);
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static void emu_msg_tray_open(void);
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@ -199,7 +201,7 @@ void osd_text(int x, int y, const char *text)
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}
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}
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static void cd_leds(void)
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static void draw_cd_leds(void)
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{
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// static
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int old_reg;
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@ -227,6 +229,25 @@ static void cd_leds(void)
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}
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}
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static void draw_pico_ptr(void)
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{
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unsigned short *p = (unsigned short *)gp2x_screen;
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// only if pen enabled and for 16bit modes
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if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;
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if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))
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p += 32;
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p += 320 * (pico_pen_y + PICO_PEN_ADJUST_Y);
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p += pico_pen_x + PICO_PEN_ADJUST_X;
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p[0] ^= 0xffff;
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p[319] ^= 0xffff;
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p[320] ^= 0xffff;
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p[321] ^= 0xffff;
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p[640] ^= 0xffff;
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}
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static int EmuScanBegin16(unsigned int num)
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{
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if (!(Pico.video.reg[1]&8)) num += 8;
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@ -301,7 +322,9 @@ static void blit(const char *fps, const char *notice)
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osd_text(osd_fps_x, h, fps);
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}
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if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))
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cd_leds();
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draw_cd_leds();
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if (PicoAHW & PAHW_PICO)
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draw_pico_ptr();
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//gp2x_video_wait_vsync();
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gp2x_video_flip();
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@ -404,9 +427,11 @@ static void RunEventsPico(unsigned int events, unsigned int gp2x_keys)
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pico_inp_mode++;
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if (pico_inp_mode > 2) pico_inp_mode = 0;
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switch (pico_inp_mode) {
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case 0: strcpy(noticeMsg, "Input: Joytick "); break;
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case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;
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case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break;
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case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;
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case 0: strcpy(noticeMsg, "Input: Joytick ");
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PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
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break;
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}
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gettimeofday(¬iceMsgTime, 0);
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}
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@ -425,10 +450,17 @@ static void RunEventsPico(unsigned int events, unsigned int gp2x_keys)
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if (pico_inp_mode != 0) {
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PicoPad[0] &= ~0x0f; // release UDLR
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if (gp2x_keys & GP2X_UP) { pico_pen_y--; if (pico_pen_y < 0) pico_pen_y = 0; }
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if (gp2x_keys & GP2X_DOWN) { pico_pen_y++; if (pico_pen_y > 251) pico_pen_y = 251; }
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if (gp2x_keys & GP2X_DOWN) { pico_pen_y++; if (pico_pen_y > 239-PICO_PEN_ADJUST_Y) pico_pen_y = 239-PICO_PEN_ADJUST_Y; }
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if (gp2x_keys & GP2X_LEFT) { pico_pen_x--; if (pico_pen_x < 0) pico_pen_x = 0; }
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if (gp2x_keys & GP2X_RIGHT){ pico_pen_x++; if (pico_pen_x > 353) pico_pen_x = 353; }
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PicoPicohw.pen_pos[0] = 0x03c + pico_pen_x;
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if (gp2x_keys & GP2X_RIGHT) {
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int lim = (Pico.video.reg[12]&1) ? 319 : 255;
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pico_pen_x++;
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if (pico_pen_x > lim-PICO_PEN_ADJUST_X)
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pico_pen_x = lim-PICO_PEN_ADJUST_X;
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}
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PicoPicohw.pen_pos[0] = pico_pen_x;
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if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;
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PicoPicohw.pen_pos[0] += 0x3c;
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PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);
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}
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}
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@ -554,7 +586,6 @@ static void RunEvents(unsigned int which)
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}
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}
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static void updateKeys(void)
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{
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unsigned int keys, keys2, allActions[2] = { 0, 0 }, events;
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