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line draw deferment implemented

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@508 be3aeb3a-fb24-0410-a615-afba39da0efa
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notaz 2008-07-01 13:42:12 +00:00
parent 1a65e3b161
commit b6d7ac7090
8 changed files with 120 additions and 99 deletions
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16
Pico/Draw.s
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@ -11,7 +11,7 @@
.extern Pico
.extern PicoOpt
.extern HighCol
.extern Scanline
.extern DrawScanline
.extern HighSprZ
.extern rendstatus
.extern DrawLineDest
@ -316,7 +316,7 @@ DrawLayer:
ldreqb r12, [r11, #2]
ldrneb r12, [r11, #4]
ldr r2, =Scanline @ trying to make good use of pipeline here
ldr r2, =DrawScanline @ trying to make good use of pipeline here
ldr lr, =(Pico+0x10000) @ lr=Pico.vram
moveq r12, r12, lsl #10
@ -330,7 +330,7 @@ DrawLayer:
mov r4, r8, lsr #8 @ pvid->reg[13]
mov r4, r4, lsl #10 @ htab=pvid->reg[13]<<9; (halfwords)
tst r7, #2
addne r4, r4, r2, lsl #2 @ htab+=Scanline<<1; // Offset by line
addne r4, r4, r2, lsl #2 @ htab+=DrawScanline<<1; // Offset by line
tst r7, #1
biceq r4, r4, #0x1f @ htab&=~0xf; // Offset by tile
add r4, r4, r0, lsl #1 @ htab+=plane
@ -513,7 +513,7 @@ DrawLayer:
bic r8, r8, #0x3fc00000
orr r8, r8, r5, lsl #25 @ r8=(xmask[31:25]|had_output[24]|tilex[21:0])
ldr r4, =Scanline
ldr r4, =DrawScanline
orr r5, r1, r10, lsl #24
ldr r4, [r4]
sub r1, r3, #1
@ -690,7 +690,7 @@ DrawLayer:
movne r7, r7, lsl #5
@ Find the line in the name table
add r2, r7, r2, lsl #22 @ r2=(vscroll+(Scanline<<1))<<21 (11 bits);
add r2, r7, r2, lsl #22 @ r2=(vscroll+(DrawScanline<<1))<<21 (11 bits);
orr r1, r1, #0x80000000
and r2, r2, r1, ror #10 @ &((ymask<<1)|1)<<21;
mov r2, r2, lsr #21
@ -1097,7 +1097,7 @@ DrawSprite:
orr r8, r2, r1, lsl #4
ldr r3, [r0] @ sprite[0]
ldr r7, =Scanline
ldr r7, =DrawScanline
mov r6, r3, lsr #28
sub r6, r6, #1 @ r6=width-1 (inc later)
mov r5, r3, lsr #24
@ -1107,7 +1107,7 @@ DrawSprite:
ldr r7, [r7]
ldr r9, [r0, #4]
sub r7, r7, r4, asr #16 @ r7=row=Scanline-sy
sub r7, r7, r4, asr #16 @ r7=row=DrawScanline-sy
mov r2, r9, asr #16 @ r2=sx
mov r9, r9, lsl #16
@ -1266,7 +1266,7 @@ DrawWindow:
stmfd sp!, {r4-r11,lr}
ldr r11, =(Pico+0x22228) @ Pico.video
ldr r10, =Scanline
ldr r10, =DrawScanline
ldrb r12, [r11, #3] @ pvid->reg[3]
ldr r10, [r10]