From 6fb0c7a7a53e1eba7a0f5dc5b1ade312a0d76119 Mon Sep 17 00:00:00 2001 From: Toad King Date: Thu, 14 Jun 2012 03:21:06 -0400 Subject: initial pocketsnes commit --- src/mode7new.cpp | 439 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 439 insertions(+) create mode 100644 src/mode7new.cpp (limited to 'src/mode7new.cpp') diff --git a/src/mode7new.cpp b/src/mode7new.cpp new file mode 100644 index 0000000..33ff453 --- /dev/null +++ b/src/mode7new.cpp @@ -0,0 +1,439 @@ +#include "snes9x.h" +#include "memmap.h" +#include "ppu.h" +#include "cpuexec.h" +#include "display.h" +#include "gfx.h" +#include "apu.h" + +extern struct SLineData LineData[240]; +extern struct SLineMatrixData LineMatrixData [240]; +extern uint8 Mode7Depths [2]; + +#define M7 19 + +#ifdef __DEBUG__ + + #define DMSG(rop) printf("Rendering Mode7, ROp: " rop ", R:%d, r2130: %d\n", PPU.Mode7Repeat, GFX.r2130 & 1) +#else + #define DMSG(rop) +#endif + +void DrawBGMode7Background16NewR0 (uint8 *Screen); +void DrawBGMode7Background16NewR1R2 (uint8 *Screen); +void DrawBGMode7Background16NewR3 (uint8 *Screen); + +void DrawBGMode7Background16New (uint8 *Screen) +{ + DMSG("totally opaque"); + CHECK_SOUND(); + + if (GFX.r2130 & 1) { + if (IPPU.DirectColourMapsNeedRebuild) S9xBuildDirectColourMaps (); + GFX.ScreenColors = DirectColourMaps [0]; + } else GFX.ScreenColors = IPPU.ScreenColors; + + switch (PPU.Mode7Repeat) { + case 0: + DrawBGMode7Background16NewR0(Screen); + return; + case 3: + DrawBGMode7Background16NewR3(Screen); + return; + default: + DrawBGMode7Background16NewR1R2(Screen); + return; + } +} + +#define M7C 0x1fff + +void DrawBGMode7Background16NewR3 (uint8 *Screen) +{ + uint8 *VRAM1 = Memory.VRAM + 1; + int aa, cc; + int startx; + uint32 Left = 0; + uint32 Right = 256; + uint32 ClipCount = GFX.pCurrentClip->Count [0]; + + int HOffset; + int VOffset; + int CentreX; + int CentreY; + uint16 *p; + int dir; + int yy; + int xx; + int yy3; + int xx3; + int BB; + int DD; + int Line; + uint32 clip; + + //FILE *f = fopen("mode7.log", "a"); + + if (!ClipCount) ClipCount = 1; + + Screen += GFX.StartY * GFX_PITCH; + struct SLineMatrixData *l = &LineMatrixData [GFX.StartY]; + + for (Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, l++) { + HOffset = ((int32) LineData[Line].BG[0].HOffset << M7) >> M7; + VOffset = ((int32) LineData[Line].BG[0].VOffset << M7) >> M7; + + CentreX = ((int32) l->CentreX << M7) >> M7; + CentreY = ((int32) l->CentreY << M7) >> M7; + + if (PPU.Mode7VFlip) yy = 255 - Line; + else yy = Line; + + yy += VOffset - CentreY; + xx = HOffset - CentreX; + + BB = l->MatrixB * yy + (CentreX << 8); + DD = l->MatrixD * yy + (CentreY << 8); + + yy3 = ((yy + CentreY) & 7) << 4; + + for (clip = 0; clip < ClipCount; clip++) + { + if (GFX.pCurrentClip->Count [0]){ + Left = GFX.pCurrentClip->Left [clip][0]; + Right = GFX.pCurrentClip->Right [clip][0]; + if (Right <= Left) continue; + } + p = (uint16 *) Screen + Left; + + if (PPU.Mode7HFlip) { + startx = Right - 1; + aa = -l->MatrixA; + cc = -l->MatrixC; + dir = -1; + } else { + startx = Left; + aa = l->MatrixA; + cc = l->MatrixC; + dir = 1; + } + + int AA = (l->MatrixA * (startx + xx) + BB); + int CC = (l->MatrixC * (startx + xx) + DD); + + int width = Right - Left; + xx3 = (startx + HOffset); + + //fprintf(f, "AA:%d, CC:%d, daa: %d, dcc: %d, MA: %d, MB: %d, MC: %d, MD: %d\n", AA, CC, aa, cc, l->MatrixA, l->MatrixB, l->MatrixC, l->MatrixD); + + + asm volatile ( + "1: \n" + " mov r3, %[AA], asr #18 \n" + " orrs r3, r3, %[CC], asr #18 \n" + " bne 2f \n" + " \n" + " mov r3, %[CC], asr #11 \n" + " mov r1, %[AA], asr #11 \n" + " add r3, r1, r3, lsl #7 \n" + " mov r3, r3, lsl #1 \n" + " ldrb r3, [%[VRAM], r3] \n" + " \n" + " and r1, %[CC], #(7 << 8) \n" + " add r3, %[VRAM], r3, lsl #7 \n" + " and r0, %[AA], #(7 << 8) \n" + " add r3, r3, r1, asr #4 \n" + " add r3, r3, r0, asr #7 \n" + " \n" + " ldrb r0, [r3, #1] \n" + " add %[AA], %[AA], %[daa] \n" + " movs r0, r0, lsl #2 \n" + " ldrne r1, [%[colors], r0] \n" + " add %[xx3], %[xx3], %[dir] \n" + " strneh r1, [%[p]] \n" + " \n" + " add %[CC], %[CC], %[dcc] \n" + " add %[p], %[p], #2 \n" + " subs %[x], %[x], #1 \n" + " bne 1b \n" + " b 3f \n" + "2: \n" + " and r0, %[xx3], #7 \n" + " add r3, %[yy3], r0, lsl #1 \n" + " \n" + " add r3, %[VRAM], r3 \n" + " ldrb r0, [r3, #1] \n" + " add %[AA], %[AA], %[daa] \n" + " movs r0, r0, lsl #2 \n" + " ldrne r1, [%[colors], r0] \n" + " add %[xx3], %[xx3], %[dir] \n" + " strneh r1, [%[p]] \n" + " \n" + " add %[CC], %[CC], %[dcc] \n" + " add %[p], %[p], #2 \n" + " subs %[x], %[x], #1 \n" + " bne 1b \n" + "3: \n" + : [xx3] "+r" (xx3), + [x] "+r" (width), + [p] "+r" (p), + [AA] "+r" (AA), + [CC] "+r" (CC) + : [yy3] "r" (yy3), + [daa] "r" (aa), + [dcc] "r" (cc), + [VRAM] "r" (Memory.VRAM), + [colors] "r" (GFX.ScreenColors), + [dir] "r" (dir) + : "r0", "r1", "r3", "cc" + ); + } + } + + //fclose(f); + +} + +void DrawBGMode7Background16NewR1R2 (uint8 *Screen) +{ + int aa, cc; + int startx; + uint32 Left = 0; + uint32 Right = 256; + uint32 ClipCount = GFX.pCurrentClip->Count [0]; + + int32 HOffset; + int32 VOffset; + int32 CentreX; + int32 CentreY; + uint16 *p; + int yy; + int xx; + int BB; + int DD; + uint32 Line; + uint32 clip; + uint8 b; + uint32 AndByY; + uint32 AndByX = 0xffffffff; + if (Settings.Dezaemon && PPU.Mode7Repeat == 2) AndByX = 0x7ff; + AndByY = AndByX << 4; + AndByX = AndByX << 1; + + if (!ClipCount) ClipCount = 1; + + Screen += GFX.StartY * GFX_PITCH; + struct SLineMatrixData *l = &LineMatrixData [GFX.StartY]; + + for (Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, l++) { + HOffset = ((int32) LineData[Line].BG[0].HOffset << M7) >> M7; + VOffset = ((int32) LineData[Line].BG[0].VOffset << M7) >> M7; + + CentreX = ((int32) l->CentreX << M7) >> M7; + CentreY = ((int32) l->CentreY << M7) >> M7; + + if (PPU.Mode7VFlip) yy = 255 - (int) Line; + else yy = Line; + + yy += VOffset - CentreY; + xx = HOffset - CentreX; + + BB = l->MatrixB * yy + (CentreX << 8); + DD = l->MatrixD * yy + (CentreY << 8); + + for (clip = 0; clip < ClipCount; clip++) { + if (GFX.pCurrentClip->Count [0]){ + Left = GFX.pCurrentClip->Left [clip][0]; + Right = GFX.pCurrentClip->Right [clip][0]; + if (Right <= Left) continue; + } + p = (uint16 *) Screen + Left; + + if (PPU.Mode7HFlip) { + startx = Right - 1; + aa = -l->MatrixA; + cc = -l->MatrixC; + } else { + startx = Left; + aa = l->MatrixA; + cc = l->MatrixC; + } + asm volatile ( + "1: \n" + " mov r3, %[AA], asr #18 \n" + " orrs r3, r3, %[CC], asr #18 \n" + " bne 2f \n" + " \n" + " and r1, %[AndByY], %[CC], asr #4 \n" + " and r0, %[AndByX], %[AA], asr #7 \n" + " \n" + " and r3, r1, #0x7f \n" + " sub r3, r1, r3 \n" + " add r3, r3, r0, asr #4 \n" + " add r3, r3, r3 \n" + " ldrb r3, [%[VRAM], r3] \n" + " and r1, r1, #0x70 \n" + " \n" + " add r3, %[VRAM], r3, lsl #7 \n" + " \n" + " and r0, r0, #14 \n" + " add r3, r3, r1 \n" + " add r3, r3, r0 \n" + " \n" + " ldrb r0, [r3, #1] \n" + " add %[AA], %[AA], %[daa] \n" + " movs r0, r0, lsl #2 \n" + " ldrne r1, [%[colors], r0] \n" + " add %[CC], %[CC], %[dcc] \n" + " strneh r1, [%[p]] \n" + " add %[p], %[p], #2 \n" + " subs %[x], %[x], #1 \n" + " bne 1b \n" + " b 3f \n" + "2: \n" + " add %[AA], %[AA], %[daa] \n" + " add %[CC], %[CC], %[dcc] \n" + " add %[p], %[p], #2 \n" + " subs %[x], %[x], #1 \n" + " bne 1b \n" + "3: \n" + : + : [x] "r" (Right - Left), + [AA] "r" (l->MatrixA * (startx + xx) + BB), + [CC] "r" (l->MatrixC * (startx + xx) + DD), + [daa] "r" (aa), + [dcc] "r" (cc), + [VRAM] "r" (Memory.VRAM), + [colors] "r" (GFX.ScreenColors), + [p] "r" (p), + [AndByX] "r" (AndByX), + [AndByY] "r" (AndByY) + : "r0", "r1", "r3", "cc" + ); + } + } +} + + +void DrawBGMode7Background16NewR0 (uint8 *Screen) +{ + uint8 *VRAM1 = Memory.VRAM + 1; + int aa, cc; + int startx; + uint32 Left; + uint32 Right; + uint32 ClipCount = GFX.pCurrentClip->Count [0]; + + int32 HOffset; + int32 VOffset; + int32 CentreX; + int32 CentreY; + uint16 *p; +uint8 *z; + int yy; + int xx; + int BB; + int DD; + uint32 Line; + uint32 clip; + struct SLineMatrixData *l; + + + + Left = 0; + Right = 256; + + + if (!ClipCount) ClipCount = 1; + + + l = &LineMatrixData [GFX.StartY]; + Screen += GFX.StartY * GFX_PITCH; + + for (Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, l++) { + HOffset = ((int32) LineData[Line].BG[0].HOffset << M7) >> M7; + VOffset = ((int32) LineData[Line].BG[0].VOffset << M7) >> M7; + + CentreX = ((int32) l->CentreX << M7) >> M7; + CentreY = ((int32) l->CentreY << M7) >> M7; + + if (PPU.Mode7VFlip) yy = 255 - (int) Line; + else yy = Line; + + /*yy += (VOffset - CentreY) % 1023; + xx = (HOffset - CentreX) % 1023; +*/ + + yy += ((VOffset - CentreY) << (32-10+1)) >> (32-10+1) ; + xx = ((HOffset - CentreX) << (32-10+1)) >> (32-10+1); + + BB = l->MatrixB * yy + (CentreX << 8); + DD = l->MatrixD * yy + (CentreY << 8); + + for (clip = 0; clip < ClipCount; clip++) + { + if (GFX.pCurrentClip->Count [0]){ + Left = GFX.pCurrentClip->Left [clip][0]; + Right = GFX.pCurrentClip->Right [clip][0]; + if (Right <= Left) continue; + } + + p = (uint16 *) Screen + Left; + + + if (PPU.Mode7HFlip) { + startx = Right - 1; + aa = -l->MatrixA; + cc = -l->MatrixC; + } else { + startx = Left; + aa = l->MatrixA; + cc = l->MatrixC; + } + asm volatile ( + " \n" + "1: \n" + " and r1, %[AndByY], %[CC], asr #4 \n" + " and r3, r1, #0x7f \n" + " and r0, %[AndByX], %[AA], asr #7 \n" + " sub r3, r1, r3 \n" + " add r3, r3, r0, asr #4 \n" + " add r3, r3, r3 \n" + " ldrb r3, [%[VRAM], r3] \n" + " \n" + " and r1, r1, #0x70 \n" + " add r3, %[VRAM], r3, lsl #7 \n" + " \n" + " and r0, r0, #14 \n" + " add r3, r3, r1 \n" + " add r3, r3, r0 \n" + " \n" + " ldrb r0, [r3, #1] \n" + " add %[AA], %[AA], %[daa] \n" + " movs r0, r0, lsl #2 \n" + " add %[CC], %[CC], %[dcc] \n" + " ldrne r1, [%[colors], r0] \n" + " add %[p], %[p], #2 \n" + " strneh r1, [%[p]] \n" + " \n" + " subs %[x], %[x], #1 \n" + " bne 1b \n" + : + : [x] "r" (Right - Left), + [AA] "r" (l->MatrixA * (startx + xx) + BB), + [CC] "r" (l->MatrixC * (startx + xx) + DD), + [daa] "r" (aa), + [dcc] "r" (cc), + [VRAM] "r" (Memory.VRAM), + [colors] "r" (GFX.ScreenColors), + [p] "r" (p), + [AndByX] "r" (0x3ff << 1), + [AndByY] "r" (0x3ff << 4) + : "r0", "r1", "r3", "cc" + ); + + } + } + +} + -- cgit v1.2.3