diff options
Diffstat (limited to 'src/mode7_t.h')
| -rw-r--r-- | src/mode7_t.h | 1010 |
1 files changed, 516 insertions, 494 deletions
diff --git a/src/mode7_t.h b/src/mode7_t.h index 9a35c41..33552aa 100644 --- a/src/mode7_t.h +++ b/src/mode7_t.h @@ -11,520 +11,542 @@ extern SLineData LineData[240]; extern SLineMatrixData LineMatrixData [240]; extern uint8 Mode7Depths [2]; -#define M7 19 -#define M7C 0x1fff +#define M7 19 +#define M7C 0x1fff #define MACRO_CONCAT(a,b) a##b #define DEC_FMODE7(n) MACRO_CONCAT(void DrawBGMode7Background16, n)(uint8 *Screen, int bg, int depth) -static void DrawBGMode7Background16R3 (uint8 *Screen, int bg, int depth) +static void DrawBGMode7Background16R3(uint8* Screen, int bg, int depth) { - 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; - //uint8 *d; - //uint16 *p; - //int dir; - int yy; - int yy3; - int xx3; - int xx; - int BB; - int DD; - uint32 Line; - uint32 clip; - //uint8 b; - uint8 *Depth; - unsigned int fixedColour = GFX.FixedColour; - - //int x, AA, CC, xx3; - - if (!ClipCount) ClipCount = 1; - - Screen += GFX.StartY * GFX_PITCH; - Depth = GFX.DB + GFX.StartY * GFX_PPL; - SLineMatrixData *l = &LineMatrixData [GFX.StartY]; - - for (Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, Depth += GFX_PPL, 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); - - 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; - } - uint16 *p = (uint16 *) Screen + Left; - uint8 *d = Depth + Left - 1; - - if (PPU.Mode7HFlip) { - startx = Right - 1; - aa = -l->MatrixA; - cc = -l->MatrixC; - } else { - startx = Left; - aa = l->MatrixA; - cc = l->MatrixC; - } - - int x = (Right - Left); - int AA = (l->MatrixA * (startx + xx) + BB); - int CC = (l->MatrixC * (startx + xx) + DD); - xx3 = (startx + HOffset); + 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; + //uint8 *d; + //uint16 *p; + //int dir; + int yy; + int yy3; + int xx3; + int xx; + int BB; + int DD; + uint32 Line; + uint32 clip; + //uint8 b; + uint8* Depth; + unsigned int fixedColour = GFX.FixedColour; + + //int x, AA, CC, xx3; + + if (!ClipCount) ClipCount = 1; + + Screen += GFX.StartY * GFX_PITCH; + Depth = GFX.DB + GFX.StartY * GFX_PPL; + SLineMatrixData* l = &LineMatrixData [GFX.StartY]; + + for (Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, Depth += GFX_PPL, 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); + + 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; + } + uint16* p = (uint16*) Screen + Left; + uint8* d = Depth + Left - 1; + + if (PPU.Mode7HFlip) + { + startx = Right - 1; + aa = -l->MatrixA; + cc = -l->MatrixC; + } + else + { + startx = Left; + aa = l->MatrixA; + cc = l->MatrixC; + } + + int x = (Right - Left); + int AA = (l->MatrixA * (startx + xx) + BB); + int CC = (l->MatrixC * (startx + xx) + DD); + xx3 = (startx + HOffset); #define M7R3(dir) \ - __asm__ volatile (\ - "1: \n"\ - " ldrb r0, [%[d], #1]! \n"\ - " mov r3, %[AA], asr #18 \n"\ - " mov r1, %[AA], asr #11 \n"\ - " cmp %[depth], r0 \n"\ - " bls 4f \n"\ - " orrs r3, r3, %[CC], asr #18 \n"\ - " bne 2f \n"\ - " \n"\ - " mov r3, %[CC], asr #11 \n"\ - " add r3, r1, r3, lsl #7 \n"\ - " mov r3, r3, lsl #1 \n"\ - " ldrb r3, [%[VRAM], r3] \n"\ - " \n"\ - " and r0, %[AA], #(7 << 8) \n"\ - " and r1, %[CC], #(7 << 8) \n"\ - " add r3, %[VRAM], r3, lsl #7 \n"\ - " add r3, r3, r1, asr #4 \n"\ - " add r3, r3, r0, asr #7 \n"\ - " \n"\ - " ldrb r0, [r3, #1] \n"\ - " mov r1, #0x13000 \n"\ - " ldrb r3, [%[d], r1] \n"\ - " movs r0, r0, lsl #2 \n"\ - " beq 4f \n"\ - " strb %[depth], [%[d]] \n"\ - " ldr r1, [%[colors], r0] \n"\ - \ - " cmp r3, #1 \n"\ - " blo 11f \n"\ - " mov r3, #0x200000 \n"\ - " ldrneh r3, [%[p], r3] \n"\ - " ldreq r3, %[fixedcolour] \n"\ - \ - ROP\ - "11: \n"\ - " strh r1, [%[p]] \n"\ - \ - " ldr r0, %[dcc] \n"\ - " add %[xx3], %[xx3], #(" #dir ") \n"\ - " add %[AA], %[AA], %[daa] \n"\ - " add %[CC], %[CC], r0 \n"\ - " add %[p], %[p], #2 \n"\ - " subs %[x], %[x], #1 \n"\ - " bne 1b \n"\ - " b 3f \n"\ - "2: \n"\ - " ldr r3, %[yy3] \n"\ - " and r0, %[xx3], #7 \n"\ - " add r3, r3, r0, lsl #1 \n"\ - " \n"\ - " add r3, %[VRAM], r3 \n"\ - " ldrb r0, [r3, #1] \n"\ - " mov r1, #0x13000 \n"\ - " ldrb r3, [%[d], r1] \n"\ - " movs r0, r0, lsl #2 \n"\ - " beq 4f \n"\ - " strb %[depth], [%[d]] \n"\ - \ - " ldr r1, [%[colors], r0] \n"\ - \ - " cmp r3, #1 \n"\ - " blo 12f \n"\ - " mov r3, #0x200000 \n"\ - " ldrneh r3, [%[p], r3] \n"\ - " ldreq r3, %[fixedcolour] \n"\ - \ - ROP\ - "12: \n"\ - " strh r1, [%[p]] \n"\ - "4: \n"\ - " ldr r1, %[dcc] \n"\ - " add %[xx3], %[xx3], #(" #dir ") \n"\ - " add %[AA], %[AA], %[daa] \n"\ - " add %[CC], %[CC], r1 \n"\ - " add %[p], %[p], #2 \n"\ - " subs %[x], %[x], #1 \n"\ - " bne 1b \n"\ - "3: \n"\ - : [p] "+r" (p),\ - [x] "+r" (x),\ - [AA] "+r" (AA),\ - [CC] "+r" (CC),\ - [xx3] "+r" (xx3),\ - [d] "+r" (d)\ - : [daa] "r" (aa),\ - [dcc] "m" (cc),\ - [VRAM] "r" (Memory.VRAM),\ - [colors] "r" (GFX.ScreenColors),\ - [depth] "r" (depth),\ - [yy3] "m" (yy3), \ - [fixedcolour] "m" (fixedColour)\ - : "r0", "r1", "r3", "cc"\ - ); - - if (!PPU.Mode7HFlip) { - M7R3(1) - } else { - M7R3(-1) - } - } - } + __asm__ volatile (\ + "1: \n"\ + " ldrb r0, [%[d], #1]! \n"\ + " mov r3, %[AA], asr #18 \n"\ + " mov r1, %[AA], asr #11 \n"\ + " cmp %[depth], r0 \n"\ + " bls 4f \n"\ + " orrs r3, r3, %[CC], asr #18 \n"\ + " bne 2f \n"\ + " \n"\ + " mov r3, %[CC], asr #11 \n"\ + " add r3, r1, r3, lsl #7 \n"\ + " mov r3, r3, lsl #1 \n"\ + " ldrb r3, [%[VRAM], r3] \n"\ + " \n"\ + " and r0, %[AA], #(7 << 8) \n"\ + " and r1, %[CC], #(7 << 8) \n"\ + " add r3, %[VRAM], r3, lsl #7 \n"\ + " add r3, r3, r1, asr #4 \n"\ + " add r3, r3, r0, asr #7 \n"\ + " \n"\ + " ldrb r0, [r3, #1] \n"\ + " mov r1, #0x13000 \n"\ + " ldrb r3, [%[d], r1] \n"\ + " movs r0, r0, lsl #2 \n"\ + " beq 4f \n"\ + " strb %[depth], [%[d]] \n"\ + " ldr r1, [%[colors], r0] \n"\ + \ + " cmp r3, #1 \n"\ + " blo 11f \n"\ + " mov r3, #0x200000 \n"\ + " ldrneh r3, [%[p], r3] \n"\ + " ldreq r3, %[fixedcolour] \n"\ + \ + ROP\ + "11: \n"\ + " strh r1, [%[p]] \n"\ + \ + " ldr r0, %[dcc] \n"\ + " add %[xx3], %[xx3], #(" #dir ") \n"\ + " add %[AA], %[AA], %[daa] \n"\ + " add %[CC], %[CC], r0 \n"\ + " add %[p], %[p], #2 \n"\ + " subs %[x], %[x], #1 \n"\ + " bne 1b \n"\ + " b 3f \n"\ + "2: \n"\ + " ldr r3, %[yy3] \n"\ + " and r0, %[xx3], #7 \n"\ + " add r3, r3, r0, lsl #1 \n"\ + " \n"\ + " add r3, %[VRAM], r3 \n"\ + " ldrb r0, [r3, #1] \n"\ + " mov r1, #0x13000 \n"\ + " ldrb r3, [%[d], r1] \n"\ + " movs r0, r0, lsl #2 \n"\ + " beq 4f \n"\ + " strb %[depth], [%[d]] \n"\ + \ + " ldr r1, [%[colors], r0] \n"\ + \ + " cmp r3, #1 \n"\ + " blo 12f \n"\ + " mov r3, #0x200000 \n"\ + " ldrneh r3, [%[p], r3] \n"\ + " ldreq r3, %[fixedcolour] \n"\ + \ + ROP\ + "12: \n"\ + " strh r1, [%[p]] \n"\ + "4: \n"\ + " ldr r1, %[dcc] \n"\ + " add %[xx3], %[xx3], #(" #dir ") \n"\ + " add %[AA], %[AA], %[daa] \n"\ + " add %[CC], %[CC], r1 \n"\ + " add %[p], %[p], #2 \n"\ + " subs %[x], %[x], #1 \n"\ + " bne 1b \n"\ + "3: \n"\ + : [p] "+r" (p),\ + [x] "+r" (x),\ + [AA] "+r" (AA),\ + [CC] "+r" (CC),\ + [xx3] "+r" (xx3),\ + [d] "+r" (d)\ + : [daa] "r" (aa),\ + [dcc] "m" (cc),\ + [VRAM] "r" (Memory.VRAM),\ + [colors] "r" (GFX.ScreenColors),\ + [depth] "r" (depth),\ + [yy3] "m" (yy3), \ + [fixedcolour] "m" (fixedColour)\ + : "r0", "r1", "r3", "cc"\ + ); + + if (!PPU.Mode7HFlip) + { + M7R3(1) + } + else + { + M7R3(-1) + } + } + } } -static void DrawBGMode7Background16R1R2 (uint8 *Screen, int bg, int depth) +static void DrawBGMode7Background16R1R2(uint8* Screen, int bg, int depth) { - 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; - uint8 *d; - 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; - uint8 *Depth; - unsigned int fixedColour = GFX.FixedColour; - - int x, AA, CC; - - if (!ClipCount) ClipCount = 1; - - Screen += GFX.StartY * GFX_PITCH; - Depth = GFX.DB + GFX.StartY * GFX_PPL; - - SLineMatrixData *l = &LineMatrixData [GFX.StartY]; - - for (Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, Depth += GFX_PPL, 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; - d = Depth + Left - 1; - - if (PPU.Mode7HFlip) { - startx = Right - 1; - aa = -l->MatrixA; - cc = -l->MatrixC; - } else { - startx = Left; - aa = l->MatrixA; - cc = l->MatrixC; - } - - x = (Right - Left); - AA = (l->MatrixA * (startx + xx) + BB); - CC = (l->MatrixC * (startx + xx) + DD); - - __asm__ volatile ( - "1: \n" - " ldrb r0, [%[d], #1]! \n" - " mov r3, %[AA], asr #18 \n" - " cmp %[depth], r0 \n" - " bls 2f \n" - " orrs r3, r3, %[CC], asr #18 \n" - " bne 2f \n" - " \n" - " ldr r1, %[AndByY] \n" - " ldr r0, %[AndByX] \n" - " and r1, r1, %[CC], asr #4 \n" - " and r0, r0, %[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" - " mov r1, #0x13000 \n" // R1 = ZDELTA - " ldrb r3, [%[d], r1] \n" -// " ldrb r3, [%[d], %[zdelta]] \n" - " movs r0, r0, lsl #2 \n" - " beq 2f \n" - " strb %[depth], [%[d]] \n" - - " ldr r1, [%[colors], r0] \n" - - " cmp r3, #1 \n" - " blo 11f \n" - " mov r3, #0x200000 \n" - " ldrneh r3, [%[p], r3] \n" - " ldreq r3, %[fixedcolour] \n" - - ROP - "11: \n" - " strh r1, [%[p]] \n" - "2: \n" - //" ldr r0, %[dcc] \n" - " add %[AA], %[AA], %[daa] \n" - //" add %[CC], %[CC], r0 \n" - " add %[CC], %[CC], %[dcc] \n" - " add %[p], %[p], #2 \n" - " subs %[x], %[x], #1 \n" - " bne 1b \n" - : [p] "+r" (p), - [d] "+r" (d), - [x] "+r" (x), - [AA] "+r" (AA), - [CC] "+r" (CC) - : [daa] "r" (aa), - [dcc] "r" (cc), - [VRAM] "r" (Memory.VRAM), - [colors] "r" (GFX.ScreenColors), - [depth] "r" (depth), - //[zdelta] "r" (GFX.DepthDelta), - //[delta] "r" (GFX.Delta << 1), - [fixedcolour] "m" (fixedColour), - [AndByX] "m" (AndByX), - [AndByY] "m" (AndByY) - : "r0", "r1", "r3", "cc" - ); - } + 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; + uint8* d; + 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; + uint8* Depth; + unsigned int fixedColour = GFX.FixedColour; + + int x, AA, CC; + + if (!ClipCount) ClipCount = 1; + + Screen += GFX.StartY * GFX_PITCH; + Depth = GFX.DB + GFX.StartY * GFX_PPL; + + SLineMatrixData* l = &LineMatrixData [GFX.StartY]; + + for (Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, Depth += GFX_PPL, 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; + d = Depth + Left - 1; + + if (PPU.Mode7HFlip) + { + startx = Right - 1; + aa = -l->MatrixA; + cc = -l->MatrixC; + } + else + { + startx = Left; + aa = l->MatrixA; + cc = l->MatrixC; + } + + x = (Right - Left); + AA = (l->MatrixA * (startx + xx) + BB); + CC = (l->MatrixC * (startx + xx) + DD); + + __asm__ volatile( + "1: \n" + " ldrb r0, [%[d], #1]! \n" + " mov r3, %[AA], asr #18 \n" + " cmp %[depth], r0 \n" + " bls 2f \n" + " orrs r3, r3, %[CC], asr #18 \n" + " bne 2f \n" + " \n" + " ldr r1, %[AndByY] \n" + " ldr r0, %[AndByX] \n" + " and r1, r1, %[CC], asr #4 \n" + " and r0, r0, %[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" + " mov r1, #0x13000 \n" // R1 = ZDELTA + " ldrb r3, [%[d], r1] \n" + // " ldrb r3, [%[d], %[zdelta]] \n" + " movs r0, r0, lsl #2 \n" + " beq 2f \n" + " strb %[depth], [%[d]] \n" + + " ldr r1, [%[colors], r0] \n" + + " cmp r3, #1 \n" + " blo 11f \n" + " mov r3, #0x200000 \n" + " ldrneh r3, [%[p], r3] \n" + " ldreq r3, %[fixedcolour] \n" + + ROP + "11: \n" + " strh r1, [%[p]] \n" + "2: \n" + //" ldr r0, %[dcc] \n" + " add %[AA], %[AA], %[daa] \n" + //" add %[CC], %[CC], r0 \n" + " add %[CC], %[CC], %[dcc] \n" + " add %[p], %[p], #2 \n" + " subs %[x], %[x], #1 \n" + " bne 1b \n" + : [p] "+r"(p), + [d] "+r"(d), + [x] "+r"(x), + [AA] "+r"(AA), + [CC] "+r"(CC) + : [daa] "r"(aa), + [dcc] "r"(cc), + [VRAM] "r"(Memory.VRAM), + [colors] "r"(GFX.ScreenColors), + [depth] "r"(depth), + //[zdelta] "r" (GFX.DepthDelta), + //[delta] "r" (GFX.Delta << 1), + [fixedcolour] "m"(fixedColour), + [AndByX] "m"(AndByX), + [AndByY] "m"(AndByY) + : "r0", "r1", "r3", "cc" + ); + } } } -static void DrawBGMode7Background16R0 (uint8 *Screen, int bg, int depth) -{ - 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 *d; - int yy; - int xx; - int BB; - int DD; - uint32 Line; - uint32 clip; - SLineMatrixData *l; - uint8 *Depth; - unsigned int fixedColour = GFX.FixedColour; - - int x, AA, CC; - unsigned int AndByY = (0x3ff << 4); - - Left = 0; - Right = 256; - - if (!ClipCount) ClipCount = 1; - - - l = &LineMatrixData [GFX.StartY]; - Screen += GFX.StartY * GFX_PITCH; - Depth = GFX.DB + GFX.StartY * GFX_PPL; - - for (Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, Depth += GFX_PPL, 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; - - 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; - d = Depth + Left -1; - - if (PPU.Mode7HFlip) { - startx = Right - 1; - aa = -l->MatrixA; - cc = -l->MatrixC; - } else { - startx = Left; - aa = l->MatrixA; - cc = l->MatrixC; - } - x = (Right - Left); - AA = (l->MatrixA * (startx + xx) + BB); - CC = (l->MatrixC * (startx + xx) + DD); - - __asm__ volatile ( - " ldrb r0, [%[d], #1]! \n" - "1: \n" - " ldr r3, %[AndByY] \n" - " cmp %[depth], r0 \n" - " bls 2f \n" - - " and r1, r3, %[CC], asr #4 \n" - " and r0, r3, %[AA], asr #4 \n" - " and r3, r1, #0x7f \n" - " sub r3, r1, r3 \n" - " add r3, r3, r0, asr #7 \n" - " add r3, r3, r3 \n" - " ldrb r3, [%[VRAM], r3] \n" - " \n" - " and r1, r1, #0x70 \n" - " and r0, r0, #(14 << 3) \n" - " add r3, %[VRAM], r3, lsl #7 \n" - " \n" - " add r3, r3, r1 \n" - " add r3, r3, r0, asr #3 \n" - " \n" - " ldrb r0, [r3, #1] \n" - " mov r1, #0x13000 \n" // r1 = ZDELTA - " ldrb r3, [%[d], r1] \n" - " movs r0, r0, lsl #2 \n" - " beq 2f \n" - " strb %[depth], [%[d]] \n" - - " ldr r1, [%[colors], r0] \n" - - " cmp r3, #1 \n" - " blo 11f \n" - " mov r3, #0x200000 \n" - " ldrneh r3, [%[p], r3] \n" - " ldreq r3, %[fixedcolour] \n" - - ROP - "11: \n" - " strh r1, [%[p]] \n" - - "2: \n" - " add %[AA], %[AA], %[daa] \n" - " add %[p], %[p], #2 \n" - " add %[CC], %[CC], %[dcc] \n" - " subs %[x], %[x], #1 \n" - " ldrneb r0, [%[d], #1]! \n" - " bne 1b \n" - : [p] "+r" (p), - [d] "+r" (d), - [x] "+r" (x), - [AA] "+r" (AA), - [CC] "+r" (CC) - : [daa] "r" (aa), - [dcc] "r" (cc), - [VRAM] "r" (Memory.VRAM), - [colors] "r" (GFX.ScreenColors), - //[zdelta] "r" (GFX.DepthDelta), - //[delta] "r" (GFX.Delta << 1), - [fixedcolour] "m" (fixedColour), - [depth] "r" (depth), - [AndByY] "m" (AndByY) - : "r0", "r1", "r3", "cc" - ); - - } - } +static void DrawBGMode7Background16R0(uint8* Screen, int bg, int depth) +{ + 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* d; + int yy; + int xx; + int BB; + int DD; + uint32 Line; + uint32 clip; + SLineMatrixData* l; + uint8* Depth; + unsigned int fixedColour = GFX.FixedColour; + + int x, AA, CC; + unsigned int AndByY = (0x3ff << 4); + + Left = 0; + Right = 256; + + if (!ClipCount) ClipCount = 1; + + + l = &LineMatrixData [GFX.StartY]; + Screen += GFX.StartY * GFX_PITCH; + Depth = GFX.DB + GFX.StartY * GFX_PPL; + + for (Line = GFX.StartY; Line <= GFX.EndY; Line++, Screen += GFX_PITCH, Depth += GFX_PPL, 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; + + 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; + d = Depth + Left - 1; + + if (PPU.Mode7HFlip) + { + startx = Right - 1; + aa = -l->MatrixA; + cc = -l->MatrixC; + } + else + { + startx = Left; + aa = l->MatrixA; + cc = l->MatrixC; + } + x = (Right - Left); + AA = (l->MatrixA * (startx + xx) + BB); + CC = (l->MatrixC * (startx + xx) + DD); + + __asm__ volatile( + " ldrb r0, [%[d], #1]! \n" + "1: \n" + " ldr r3, %[AndByY] \n" + " cmp %[depth], r0 \n" + " bls 2f \n" + + " and r1, r3, %[CC], asr #4 \n" + " and r0, r3, %[AA], asr #4 \n" + " and r3, r1, #0x7f \n" + " sub r3, r1, r3 \n" + " add r3, r3, r0, asr #7 \n" + " add r3, r3, r3 \n" + " ldrb r3, [%[VRAM], r3] \n" + " \n" + " and r1, r1, #0x70 \n" + " and r0, r0, #(14 << 3) \n" + " add r3, %[VRAM], r3, lsl #7 \n" + " \n" + " add r3, r3, r1 \n" + " add r3, r3, r0, asr #3 \n" + " \n" + " ldrb r0, [r3, #1] \n" + " mov r1, #0x13000 \n" // r1 = ZDELTA + " ldrb r3, [%[d], r1] \n" + " movs r0, r0, lsl #2 \n" + " beq 2f \n" + " strb %[depth], [%[d]] \n" + + " ldr r1, [%[colors], r0] \n" + + " cmp r3, #1 \n" + " blo 11f \n" + " mov r3, #0x200000 \n" + " ldrneh r3, [%[p], r3] \n" + " ldreq r3, %[fixedcolour] \n" + + ROP + "11: \n" + " strh r1, [%[p]] \n" + + "2: \n" + " add %[AA], %[AA], %[daa] \n" + " add %[p], %[p], #2 \n" + " add %[CC], %[CC], %[dcc] \n" + " subs %[x], %[x], #1 \n" + " ldrneb r0, [%[d], #1]! \n" + " bne 1b \n" + : [p] "+r"(p), + [d] "+r"(d), + [x] "+r"(x), + [AA] "+r"(AA), + [CC] "+r"(CC) + : [daa] "r"(aa), + [dcc] "r"(cc), + [VRAM] "r"(Memory.VRAM), + [colors] "r"(GFX.ScreenColors), + //[zdelta] "r" (GFX.DepthDelta), + //[delta] "r" (GFX.Delta << 1), + [fixedcolour] "m"(fixedColour), + [depth] "r"(depth), + [AndByY] "m"(AndByY) + : "r0", "r1", "r3", "cc" + ); + + } + } } DEC_FMODE7(ROPNAME) { #ifdef __DEBUG__ - #define DMESG(n) printf("Rendering Mode7, ROp: " #n ", R:%d, r2130: %d, bg: %d\n", PPU.Mode7Repeat, GFX.r2130 & 1, bg) - DMESG(ROPNAME) -#endif - CHECK_SOUND(); - - if (GFX.r2130 & 1) { - if (IPPU.DirectColourMapsNeedRebuild) S9xBuildDirectColourMaps (); - GFX.ScreenColors = DirectColourMaps [0]; - } else GFX.ScreenColors = IPPU.ScreenColors; - - switch (PPU.Mode7Repeat) { - case 0: - DrawBGMode7Background16R0(Screen, bg, depth); - return; - case 3: - DrawBGMode7Background16R3(Screen, bg, depth); - return; - default: - DrawBGMode7Background16R1R2(Screen, bg, depth); - return; - } +#define DMESG(n) printf("Rendering Mode7, ROp: " #n ", R:%d, r2130: %d, bg: %d\n", PPU.Mode7Repeat, GFX.r2130 & 1, bg) + DMESG(ROPNAME) +#endif + CHECK_SOUND(); + + if (GFX.r2130 & 1) + { + if (IPPU.DirectColourMapsNeedRebuild) S9xBuildDirectColourMaps(); + GFX.ScreenColors = DirectColourMaps [0]; + } + else GFX.ScreenColors = IPPU.ScreenColors; + + switch (PPU.Mode7Repeat) + { + case 0: + DrawBGMode7Background16R0(Screen, bg, depth); + return; + case 3: + DrawBGMode7Background16R3(Screen, bg, depth); + return; + default: + DrawBGMode7Background16R1R2(Screen, bg, depth); + return; + } } |