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sdl, complete overhaul of hardware/software scaling

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This commit is contained in:
kub 2021-09-10 18:46:05 +02:00
parent 6651998e9f
commit d5d1778252
21 changed files with 1233 additions and 547 deletions
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27
pico/32x/draw_arm.S
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@ -20,11 +20,11 @@
PIC_LDR_INIT()
.macro call_scan_prep cond est @ &Pico.est
.macro call_scan_prep cond pico @ &Pico
.if \cond
PIC_LDR(r4, r6, PicoScan32xBegin)
PIC_LDR(r5, r6, PicoScan32xEnd)
ldr r6, [\est, #OFS_EST_DrawLineDest]
add r6, \pico, #OFS_Pico_est
ldr r4, [r4]
ldr r5, [r5]
stmfd sp!, {r4,r5,r6}
@ -44,9 +44,9 @@
add r0, r0, r4
mov lr, pc
ldr pc, [sp, #(3+0)*4]
ldr r0, [sp, #(3+2)*4] @ &DrawLineDest
ldr r0, [sp, #(3+2)*4] @ &Pico.est
ldmfd sp!, {r1-r3}
ldr r0, [r0]
ldr r0, [r0, #OFS_EST_DrawLineDest]
.endif
.endm
@ -57,6 +57,11 @@
add r0, r0, r4
mov lr, pc
ldr pc, [sp, #(4+1)*4]
ldr r1, [sp, #(3+2)*4] @ &Pico.est
ldr r0, [r1, #OFS_EST_DrawLineDest]
ldr r2, [r1, #OFS_EST_DrawLineDestIncr]
add r0, r0, r2
str r0, [r1]
ldmfd sp!, {r0-r3}
.endif
.endm
@ -71,6 +76,7 @@
PIC_LDR(lr, r9, Pico)
PIC_LDR(r10,r9, Pico32x)
ldr r11, [lr, #OFS_Pico_est+OFS_EST_Draw2FB]
ldr r12, [lr, #OFS_Pico_est+OFS_EST_DrawLineDestIncr]
ldrh r10,[r10, #0x40] @ Pico32x.vdp_regs[0]
add r9, lr, #OFS_Pico_est+OFS_EST_HighPal @ palmd
@ -88,6 +94,9 @@
0: @ loop_outer:
call_scan_end \call_scan
ldr r12, [r9, #OFS_EST_DrawLineDestIncr-OFS_EST_HighPal]
sub r0, r0, #320*2
add r0, r0, r12
add r4, r4, #1
cmp r4, r2, lsr #16
call_scan_fin_ge \call_scan
@ -231,7 +240,7 @@
PIC_LDR(lr, r9, Pico)
PIC_LDR(r10,r9, Pico32xMem)
ldr r9,=OFS_PMEM32x_pal_native
ldr r9, =OFS_PMEM32x_pal_native
ldr r10, [r10]
ldr r11, [lr, #OFS_Pico_est+OFS_EST_Draw2FB]
add r10,r10,r9
@ -248,6 +257,9 @@
0: @ loop_outer:
call_scan_end \call_scan
ldr r12, [r9, #OFS_EST_DrawLineDestIncr-OFS_EST_HighPal]
sub r0, r0, #320*2
add r0, r0, r12
add r4, r4, #1
cmp r4, r2, lsr #16
call_scan_fin_ge \call_scan
@ -400,7 +412,7 @@
PIC_LDR(lr, r9, Pico)
PIC_LDR(r10,r9, Pico32xMem)
ldr r9,=OFS_PMEM32x_pal_native
ldr r9, =OFS_PMEM32x_pal_native
ldr r10, [r10]
ldr r11, [lr, #OFS_Pico_est+OFS_EST_Draw2FB]
add r10,r10,r9
@ -417,6 +429,9 @@
0: @ loop_outer:
call_scan_end \call_scan
ldr r12, [r9, #OFS_EST_DrawLineDestIncr-OFS_EST_HighPal]
sub r0, r0, #320*2
add r0, r0, r12
add r4, r4, #1
cmp r4, r2, lsr #16
call_scan_fin_ge \call_scan