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32x, add support for h32 mode rendering

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This commit is contained in:
kub 2021-11-22 19:18:12 +01:00
parent 23cd73bc8f
commit 52e4a905c8
6 changed files with 79 additions and 31 deletions
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74
pico/draw_arm.S
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@ -21,6 +21,7 @@
.equ PDRAW_DIRTY_SPRITES, (1<<4)
.equ PDRAW_PLANE_HI_PRIO, (1<<6)
.equ PDRAW_SHHI_DONE, (1<<7)
.equ PDRAW_32X_SCALE, (1<<12)
@ helpers
.macro add_c24 d s c
@ -1633,20 +1634,20 @@ PicoDoHighPal555_end:
.global FinalizeLine555
FinalizeLine555:
stmfd sp!, {r4-r10,lr}
mov r10,r2 @ est
ldr r8, [r10, #OFS_EST_Pico]
stmfd sp!, {r4-r11,lr}
mov r11,r2 @ est
ldr r8, [r11, #OFS_EST_Pico]
bl PicoDrawUpdateHighPal
add r3, r10, #OFS_EST_HighPal
add r3, r11, #OFS_EST_HighPal
mov lr, #0xff
mov lr, lr, lsl #1
ldr r5, [r10, #OFS_EST_PicoOpt]
ldr r1, [r10, #OFS_EST_HighCol]
ldr r0, [r10, #OFS_EST_DrawLineDest]
ldr r5, [r11, #OFS_EST_PicoOpt]
ldr r1, [r11, #OFS_EST_HighCol]
ldr r0, [r11, #OFS_EST_DrawLineDest]
ldr r4, [r5]
ldr r7, [r5, #OFS_PicoIn_AHW-OFS_PicoIn_opt]
ldrb r12,[r8, #OFS_Pico_video_reg+12]
@ -1716,7 +1717,7 @@ FinalizeLine555:
stmia r0!, {r4,r5,r8,r12}
bne .fl_loopRGB555
ldmfd sp!, {r4-r10,pc}
ldmfd sp!, {r4-r11,pc}
.fl_32scale_RGB555:
@ -1773,7 +1774,7 @@ FinalizeLine555:
stmia r0!, {r4,r5,r6,r8,r10}
bne .fl_32scale_nn
ldmfd sp!, {r4-r10,pc}
b .fl_32scale_8bit
.fl_32scale_snn:
ldr r12, [r1], #4
@ -1822,7 +1823,7 @@ FinalizeLine555:
stmia r0!, {r4,r5,r6,r8,r10}
bne .fl_32scale_snn
ldmfd sp!, {r4-r10,pc}
b .fl_32scale_8bit
.fl_32scale_bl2:
ldr r12, [r1], #4
@ -1878,7 +1879,7 @@ FinalizeLine555:
stmia r0!, {r4,r5,r6,r8,r10}
bne .fl_32scale_bl2
ldmfd sp!, {r4-r10,pc}
b .fl_32scale_8bit
.fl_32scale_bl4:
// TODO this should reflect the bl4 C algorithm, but it doesn't, it's bln.
@ -1946,7 +1947,48 @@ FinalizeLine555:
stmia r0!, {r4,r5,r6,r8,r10}
bne .fl_32loop_bl4
ldmfd sp!, {r4-r10,pc}
.fl_32scale_8bit:
ldr r4, [r11, #OFS_EST_rendstatus]
add r0, r1, #320-256
mov r2, #256/8
tst r4, #PDRAW_32X_SCALE
ldmeqfd sp!, {r4-r11,pc}
mov lr, #0xff
.fl_32scale_8bit_nn:
ldr r7, [r1, #-4]!
ldr r12, [r1, #-4]!
and r4, lr, r12, lsl #0
and r5, lr, r12, lsr #8
and r6, lr, r12, lsr #16
and r10,lr, r12, lsr #24
orr r4, r4, r5, lsl #8
orr r5, r6, r6, lsl #8
and r6, lr, r7, lsl #0
and r8, lr, r7, lsr #8
and r12,lr, r7, lsr #16
and r7, lr, r7, lsr #24
orr r6, r10,r6, lsl #8
orr r8, r8,r12, lsl #8
subs r2, r2, #1
orr r10,r12,r7, lsl #8
strh r10, [r0, #-2]!
strh r8, [r0, #-2]!
strh r6, [r0, #-2]!
strh r5, [r0, #-2]!
strh r4, [r0, #-2]!
bne .fl_32scale_8bit_nn
ldmfd sp!, {r4-r11,pc}
.fl_20scale_RGB555:
ldr r5, [r5, #OFS_PicoIn_filter-OFS_PicoIn_opt]
@ -2002,7 +2044,7 @@ FinalizeLine555:
subs r2, r2, #1
bne .fl_20scale_nn
ldmfd sp!, {r4-r10,pc}
ldmfd sp!, {r4-r11,pc}
.fl_20scale_bl2:
@ -2082,7 +2124,7 @@ FinalizeLine555:
stmia r0!, {r4,r5,r6,r8}
bne .fl_20loop_bl2
ldmfd sp!, {r4-r10,pc}
ldmfd sp!, {r4-r11,pc}
#ifdef UNALIGNED_DRAWLINEDEST
@ -2128,7 +2170,7 @@ FinalizeLine555:
strh r8, [r0], #2
ldmfd sp!, {r4-r10,pc}
ldmfd sp!, {r4-r11,pc}
.fl_32scale_RGB555u:
@ -2193,7 +2235,7 @@ FinalizeLine555:
strh r4, [r0], #2
ldmfd sp!, {r4-r10,pc}
ldmfd sp!, {r4-r11,pc}
#endif /* UNALIGNED_DRAWLINEDEST */