gbdk-2020 | GameBoy Development Kit |
| download: https://git.y1.nz/archives/gbdk.tar.gz | |
| README | Files | Log | Refs | LICENSE |
gbdk-lib/libc/targets/z80/sms_metasprites_hide.s
1 .include "global.s"
2
3 .title "Metasprites"
4 .module Metasprites
5
6 .globl ___current_metasprite, ___render_shadow_OAM
7
8 .area _CODE
9
10
11 ; void __hide_metasprite(uint8_t id) __z88dk_fastcall __preserves_regs(iyh,iyl);
12
13 ___hide_metasprite::
14 ld e, l
15
16 ld hl, (___current_metasprite)
17
18 ld bc, #3
19
20 ld a, (___render_shadow_OAM)
21 ld d, a
22 1$:
23 ld a, (hl)
24 cp #0x80
25 ret z
26
27 ld a, #0x3F
28 cp e
29 ret c
30
31 add hl, bc
32
33 ld a, #0xC0
34 ld (de), a
35
36 inc e
37 jp 1$
This webpage is intended to be an accessible preview of this repository. To get a fuller picture, clone it and use the git CLI.