RaySollium99/picodrive
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platform gp2x, fix compilation with original toolchain (gcc 4.1)

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kub 2023-04-30 22:11:07 +00:00
parent 97232a47c9
commit 110a49ed2a
10 changed files with 59 additions and 53 deletions
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12
pico/draw_arm.S
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@ -77,7 +77,7 @@
beq 0f
cmp r4, #0xe
orr r4, r3, r4
biceq r4, #0x80
biceq r4, r4, #0x80
strb r4, [r1,#\offs]
0:
.endm
@ -385,8 +385,8 @@ DrawLayer:
beq 0f
cmp r3, #2
mov r3, r2, lsl #2 @ htab+=DrawScanline<<1; // Offset by line
biceq r3, #0x1f @ htab&=~0xf; // Offset by tile
andlt r3, #0x1f
biceq r3, r3, #0x1f @ htab&=~0xf; // Offset by tile
andlt r3, r3, #0x1f
add r4, r4, r3
0: add r4, r4, r0, lsl #1 @ htab+=plane
bic r4, r4, #0x00ff0000 @ just in case
@ -611,7 +611,7 @@ DrawLayer:
@ r4 & r7 are scratch in this loop
@ need to calc new ty?
lsls r7, r10, #7 @ (cell&1)?
movs r7, r10, lsl #7 @ (cell&1)?
bmi .dsloop_vs_subr1
@ calc offset and read tileline code to r7, also calc ty
@ -644,7 +644,7 @@ DrawLayer:
ble .dsloop_vs_exit
@ need to calc new ty?
lsls r7, r10, #7 @ (cell&1)?
movs r7, r10, lsl #7 @ (cell&1)?
bmi 0f
@ calc offset and read tileline code to r7, also calc ty
@ -2059,7 +2059,7 @@ FinalizeLine555:
and r8, lr, r8, lsl #1
ldrh r8, [r3, r8]
and r8, r8, r9
lsl r8, r8, #16
mov r8, r8, lsl #16
.fl_20loop_bl2:
ldr r12, [r1], #4