diff options
Diffstat (limited to 'engine/bank3d/random.asm')
| -rw-r--r-- | engine/bank3d/random.asm | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/engine/bank3d/random.asm b/engine/bank3d/random.asm new file mode 100644 index 00000000..8c8ead4e --- /dev/null +++ b/engine/bank3d/random.asm @@ -0,0 +1,15 @@ +SECTION "bank3d Random",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 |