src/main/utils/background-utils.asm at gb · cass.cityboundforest.com/pathdelver

cass.cityboundforest.com / pathdelver

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A dungeon delver roguelike using Pathfinder 2nd edition rules

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pathdelver / src / main / utils / background-utils.asm

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cass.cityboundforest.com Adding old .gitignore to top level gitignore 6mo ago

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 1INCLUDE "hardware.inc/hardware.inc"
 2
 3SECTION "Background", ROM0
 4
 5ClearBackground::
 6    ; Turn the LCD off
 7    xor a
 8    ld [rLCDC], a
 9    
10    ld bc, 1024
11    ld hl, $9800
12
13ClearBackgroundLoop:
14    xor a
15    ld [hli], a
16    
17    dec bc
18    ld a, b
19    or c
20
21    jp nz, ClearBackgroundLoop
22
23    ; Turn the LCD on
24    ld a, LCDCF_ON | LCDCF_BGON | LCDCF_OBJON
25    ld [rLCDC], a
26    
27    ret