RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

core, handle background color DMA (arm asm)

Browse source
This commit is contained in:
kub 2024-01-28 19:23:25 +00:00
parent 492c47c4b8
commit db1ee7a2df
3 changed files with 47 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

10
pico/draw_arm.S
View file

@ -20,6 +20,7 @@
.equ PDRAW_SHHI_DONE, (1<<7)
.equ PDRAW_BORDER_32, (1<<9)
.equ PDRAW_32X_SCALE, (1<<12)
.equ PDRAW_BGC_DMA, (1<<14)
.equ PDRAW_SOFTSCALE, (1<<15)
@ helpers
@ -1632,10 +1633,16 @@ PicoDoHighPal555_end:
FinalizeLine555:
stmfd sp!, {r4-r11,lr}
mov r11,r2 @ est
ldr r8, [r11, #OFS_EST_Pico]
ldr r4, [r11, #OFS_EST_rendstatus]
bl PicoDrawUpdateHighPal
tst r4, #PDRAW_BGC_DMA
movne r0, r11
ldmnefd sp!, {r4-r11,lr}
bne BgcDMA
ldr r8, [r11, #OFS_EST_Pico]
add r3, r11, #OFS_EST_HighPal
mov lr, #0xff
@ -1644,7 +1651,6 @@ FinalizeLine555:
ldr r5, [r11, #OFS_EST_PicoOpt]
ldr r1, [r11, #OFS_EST_HighCol]
ldr r0, [r11, #OFS_EST_DrawLineDest]
ldr r4, [r11, #OFS_EST_rendstatus]
ldr r7, [r5, #OFS_PicoIn_AHW-OFS_PicoIn_opt]
ldrb r12,[r8, #OFS_Pico_video_reg+12]
ldrb r6, [r8, #OFS_Pico_video_reg+0]