X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fmode4.c;h=4abace6b7c0ef120a0f6836d322cbaba6375fbda;hb=98a27142346e05a4cef4fe89469bc09d5560edc1;hp=4588a9a2d3db826a8ebceb6e034c29c7a53f16a4;hpb=5a68108691ed5685682ce133aa0bcf6015c0afd8;p=picodrive.git diff --git a/pico/mode4.c b/pico/mode4.c index 4588a9a..4abace6 100644 --- a/pico/mode4.c +++ b/pico/mode4.c @@ -1,3 +1,10 @@ +/* + * mode4/SMS renderer + * (C) notaz, 2009-2010 + * + * This work is licensed under the terms of MAME license. + * See COPYING file in the top-level directory. + */ /* * TODO: * - TMS9918 modes? @@ -21,7 +28,7 @@ static int screen_offset; static int TileNormM4(int sx, int addr, int pal) { - unsigned char *pd = HighCol + sx; + unsigned char *pd = Pico.est.HighCol + sx; unsigned int pack, t; pack = *(unsigned int *)(Pico.vram + addr); /* Get 4 bitplanes / 8 pixels */ @@ -43,7 +50,7 @@ static int TileNormM4(int sx, int addr, int pal) static int TileFlipM4(int sx,int addr,int pal) { - unsigned char *pd = HighCol + sx; + unsigned char *pd = Pico.est.HighCol + sx; unsigned int pack, t; pack = *(unsigned int *)(Pico.vram + addr); /* Get 4 bitplanes / 8 pixels */ @@ -185,7 +192,7 @@ static void DrawDisplayM4(int scanline) if (pv->reg[0] & 0x20) // first column masked - ((int *)HighCol)[2] = ((int *)HighCol)[3] = 0xe0e0e0e0; + ((int *)Pico.est.HighCol)[2] = ((int *)Pico.est.HighCol)[3] = 0xe0e0e0e0; } void PicoFrameStartMode4(void) @@ -193,7 +200,7 @@ void PicoFrameStartMode4(void) int lines = 192; skip_next_line = 0; screen_offset = 24; - rendstatus = PDRAW_32_COLS; + Pico.est.rendstatus = PDRAW_32_COLS; if ((Pico.video.reg[0] & 6) == 6 && (Pico.video.reg[1] & 0x18)) { if (Pico.video.reg[1] & 0x08) { @@ -206,13 +213,13 @@ void PicoFrameStartMode4(void) } } - if (rendstatus != rendstatus_old || lines != rendlines) { - rendstatus_old = rendstatus; - rendlines = lines; + if (Pico.est.rendstatus != rendstatus_old || lines != rendlines) { emu_video_mode_change(screen_offset, lines, 1); + rendstatus_old = Pico.est.rendstatus; + rendlines = lines; } - DrawLineDest = (char *)DrawLineDestBase + screen_offset * DrawLineDestIncrement; + Pico.est.DrawLineDest = (char *)DrawLineDestBase + screen_offset * DrawLineDestIncrement; } void PicoLineMode4(int line) @@ -226,7 +233,7 @@ void PicoLineMode4(int line) skip_next_line = PicoScanBegin(line + screen_offset); // Draw screen: - BackFill(Pico.video.reg[7] & 0x0f, 0); + BackFill(Pico.video.reg[7] & 0x0f, 0, &Pico.est); if (Pico.video.reg[1] & 0x40) DrawDisplayM4(line); @@ -236,13 +243,13 @@ void PicoLineMode4(int line) if (PicoScanEnd != NULL) skip_next_line = PicoScanEnd(line + screen_offset); - DrawLineDest = (char *)DrawLineDest + DrawLineDestIncrement; + Pico.est.DrawLineDest = (char *)Pico.est.DrawLineDest + DrawLineDestIncrement; } void PicoDoHighPal555M4(void) { unsigned int *spal=(void *)Pico.cram; - unsigned int *dpal=(void *)HighPal; + unsigned int *dpal=(void *)Pico.est.HighPal; unsigned int t; int i; @@ -260,6 +267,7 @@ void PicoDoHighPal555M4(void) t |= (t >> 4) & 0x08610861; *dpal = t; } + Pico.est.HighPal[0xe0] = 0; } static void FinalizeLineRGB555M4(int line) @@ -269,17 +277,17 @@ static void FinalizeLineRGB555M4(int line) // standard FinalizeLine can finish it for us, // with features like scaling and such - FinalizeLine555(0, line); + FinalizeLine555(0, line, &Pico.est); } static void FinalizeLine8bitM4(int line) { - unsigned char *pd = DrawLineDest; + unsigned char *pd = Pico.est.DrawLineDest; if (!(PicoOpt & POPT_DIS_32C_BORDER)) pd += 32; - memcpy32((int *)pd, (int *)(HighCol+8), 256/4); + memcpy32((int *)pd, (int *)(Pico.est.HighCol+8), 256/4); } void PicoDrawSetOutputMode4(pdso_t which)