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| author | luckytyphlosion <alan.rj.huang@gmail.com> | 2015-05-13 23:45:17 -0400 |
|---|---|---|
| committer | luckytyphlosion <alan.rj.huang@gmail.com> | 2015-05-13 23:45:17 -0400 |
| commit | 17138f582daac7aadcfad0d66205f21ae52faad0 (patch) | |
| tree | 6bee191af4c0ba257e8252fd12105b9e9940bd87 | |
| parent | b418824243db44ab41b6bf8b3f5253cd4c152f59 (diff) | |
Create random.asm
| -rw-r--r-- | yellow/bank3d/random.asm | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/yellow/bank3d/random.asm b/yellow/bank3d/random.asm new file mode 100644 index 00000000..b7fb0edd --- /dev/null +++ b/yellow/bank3d/random.asm @@ -0,0 +1,15 @@ +SECTION "bank3d",ROMX[$67DC],BANK[$3D] + +Random_:: +; Generate a random 16-bit value. + ld a, [rDIV] + ld b, a + ld a, [hRandomAdd] + adc b + ld [hRandomAdd], a + ld a, [rDIV] + ld b, a + ld a, [hRandomSub] + sbc b + ld [hRandomSub], a + ret |