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Diffstat (limited to 'agbx/source/gfx/flip.s')
-rw-r--r--agbx/source/gfx/flip.s13
1 files changed, 6 insertions, 7 deletions
diff --git a/agbx/source/gfx/flip.s b/agbx/source/gfx/flip.s
index 019289d..32171d1 100644
--- a/agbx/source/gfx/flip.s
+++ b/agbx/source/gfx/flip.s
@@ -12,25 +12,24 @@
.globl agbx_flip
.func
-
.thumb_func
agbx_flip:
@ Get the current value of dispcnt:
- ldr r0,.dispcntaddr
- ldrh r1,[r0]
+ ldr r0,.dispcntaddr @ agbx_i20 dispcntaddr = 0x4000000u;
+ ldrh r1,[r0] @ agbx_i10 dispcnt = *(agbx_i10 *)dispcntaddr;
@ XOR bit five:
movs r2,0b10000
- eors r1,r2
+ eors r1,r2 @ dispcnt ^= 0b10000u;
@ Save dispcnt:
- strh r1,[r0]
+ strh r1,[r0] @ *(agbx_i10 *)dispcntaddr = dispcnt;
@ Get the address of the video bank:
- b __agbx_getvbnk
+ b __agbx_getvbnk @ agbx_i20 vaddr = __agbx_getvbnk();
- bx lr
+ bx lr @ return vaddr;
.endfunc