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giz port, restructuring

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@257 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-09-22 22:53:18 +00:00
parent c9077ab4b9
commit ea8c405fa7
30 changed files with 1706 additions and 970 deletions
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85
Pico/Draw.s
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@ -6,6 +6,7 @@
@ (c) Copyright 2007, Grazvydas "notaz" Ignotas
@ All Rights Reserved
.include "port_config.s"
.extern Pico
.extern PicoOpt
@ -317,11 +318,18 @@ DrawLayer:
add r8, r8, r9, lsr #8 @ tilex+=cellskip
add r7, r7, r9, lsr #5 @ dx+=cellskip<<3;
sub r10,r10,r9, lsl #16 @ cells-=cellskip
mvn r9, #0 @ r9=prevcode=-1
@ cache some stuff to avoid mem access
.if OVERRIDE_HIGHCOL
ldr r11,=HighCol
mov r0, #0xf
ldr r11,[r11]
.else
ldr r11,=HighCol
mov r0, #0xf
.endif
mvn r9, #0 @ r9=prevcode=-1
add r1, r11, r7 @ r1=pdest
@ -463,13 +471,19 @@ DrawLayer:
add r8, r8, r9, lsr #8 @ tilex+=cellskip
add r7, r7, r9, lsr #5 @ dx+=cellskip<<3;
add r10,r10,r9, lsl #16 @ cell+=cellskip
mvn r9, #0 @ r9=prevcode=-1
@ cache some stuff to avoid mem access
.if OVERRIDE_HIGHCOL
ldr r11,=HighCol
mov r0, #0xf
add r1, r11, r7 @ r1=pdest
ldr r11,[r11]
.else
ldr r11,=HighCol
mov r0, #0xf
.endif
mvn r9, #0 @ r9=prevcode=-1
add r1, r11, r7 @ r1=pdest
@ r4 & r7 are scratch in this loop
.dsloop_vs_subr1:
@ -639,10 +653,18 @@ DrawLayer:
BackFill:
stmfd sp!, {r4-r9,lr}
.if OVERRIDE_HIGHCOL
ldr lr, =HighCol
mov r0, r0, lsl #26
ldr lr, [lr]
mov r0, r0, lsr #26
add lr, lr, #8
.else
ldr lr, =(HighCol+8)
mov r0, r0, lsl #26
mov r0, r0, lsr #26
.endif
orr r0, r0, r1, lsl #6
orr r0, r0, r0, lsl #8
orr r0, r0, r0, lsl #16
@ -680,9 +702,15 @@ DrawTilesFromCache:
stmfd sp!, {r4-r8,r11,lr}
@ cache some stuff to avoid mem access
.if OVERRIDE_HIGHCOL
ldr r11,=HighCol
ldr lr, =(Pico+0x10000) @ lr=Pico.vram
mov r12,#0xf
ldr r11,[r11]
.else
ldr r11,=HighCol
mov r12,#0xf
.endif
ldr lr, =(Pico+0x10000) @ lr=Pico.vram
mvn r5, #0 @ r5=prevcode=-1
ands r8, r1, #1
@ -874,11 +902,17 @@ DrawSpritesFromCache:
stmfd sp!, {r4-r11,lr}
@ cache some stuff to avoid mem access
.if OVERRIDE_HIGHCOL
ldr r11,=HighCol
mov r12,#0xf
ldr r11,[r11]
.else
ldr r11,=HighCol
mov r12,#0xf
.endif
ldr lr, =(Pico+0x10000) @ lr=Pico.vram
mov r6, r1, lsl #31
orr r6, r6, #1<<30
mov r12,#0xf
mov r10, r0
@ -1042,9 +1076,15 @@ DrawSprite:
bne .dspr_cache @ if(code&0x8000) // high priority - cache it
@ cache some stuff to avoid mem access
.if OVERRIDE_HIGHCOL
ldr r11,=HighCol
ldr lr, =(Pico+0x10000) @ lr=Pico.vram
mov r12,#0xf
ldr r11,[r11]
.else
ldr r11,=HighCol
mov r12,#0xf
.endif
ldr lr, =(Pico+0x10000) @ lr=Pico.vram
mov r5, r5, lsl #4 @ delta<<=4; // Delta of address
and r4, r9, #0x6000
@ -1202,12 +1242,19 @@ DrawWindow:
orr r6, r6, r3, lsl #8 @ shadow mode
sub r8, r1, r0
mov r8, r8, lsl #1 @ cells
mvn r9, #0 @ r9=prevcode=-1
@ cache some stuff to avoid mem access
.if OVERRIDE_HIGHCOL
ldr r11,=HighCol
mov r8, r8, lsl #1 @ cells
ldr r11,[r11]
mvn r9, #0 @ r9=prevcode=-1
add r11,r11,#8
.else
ldr r11,=(HighCol+8)
mov r8, r8, lsl #1 @ cells
mvn r9, #0 @ r9=prevcode=-1
.endif
add r1, r11, r0, lsl #4 @ r1=pdest
mov r0, #0xf
b .dwloop_enter
@ -1408,9 +1455,17 @@ FinalizeLineBGR444:
.fl_noshBGR444:
.if OVERRIDE_HIGHCOL
ldr r1, =HighCol
mov lr, #0xff
ldr r1, [r1]
mov lr, lr, lsl #1
add r1, r1, #8
.else
ldr r1, =(HighCol+8)
mov lr, #0xff
mov lr, lr, lsl #1
.endif
.fl_loopBGR444:
@ -1480,6 +1535,8 @@ FinalizeLineBGR444:
orr \reg, \reg, r3 @ add blue back
.endm
.global vidConvCpyRGB565
vidConvCpyRGB565: @ void *to, void *from, int pixels
stmfd sp!, {r4-r9,lr}
@ -1562,9 +1619,17 @@ FinalizeLineRGB555:
sub r3, r3, #0x40*2
.fl_noshRGB555:
.if OVERRIDE_HIGHCOL
ldr r1, =HighCol
ldr r0, =DrawLineDest
ldr r1, [r1]
ldr r0, [r0]
add r1, r1, #8
.else
ldr r0, =DrawLineDest
ldr r1, =(HighCol+8)
ldr r0, [r0]
.endif
ldrb r12, [r8, #12]
mov lr, #0xff