RoadToCerulean
A Ordinary Kanto Lover
- 205
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- Route 1 (Kanto)
- Seen Apr 24, 2024
I have read Jambo51's development of GB player on FR on this thread:
https://www.pokecommunity.com/showthread.php?t=257647
This is his original code (slightly modified and organized), switching music banks between 0x4A32CC and 0x800000:
Since I am a rookie in ASM hacking, could someone tell me how to modify the codes to upgrade it to switch between 3 music banks?
https://www.pokecommunity.com/showthread.php?t=257647
This is his original code (slightly modified and organized), switching music banks between 0x4A32CC and 0x800000:
Code:
.text
.align 2
.thumb
.thumb_func
.global gameboyplayerbackgroundroutine
main:
add r3, r2, #0x4
ldr r2, ramtable
push {r0,r2-r7}
ldr r0, flag
bl decrypt
add r1, r0, #0x0
pop {r0,r2-r7}
cmp r1, #0x0
bne gbp
ldr r1, normaltable
b exit
gbp:
ldr r1, gbptable
exit:
lsr r0, r0, #0xD
add r0, r0, r1
mov pc, r3
decrypt:
ldr r1, decry
bx r1
.align
ramtable: .word 0x084A329C
normaltable: .word 0x084A32CC
gbptable: .word 0x08800000 @Originally 0x08FFFFFF
flag: .word 0x000008F0
decry: .word 0x0806E6D1Since I am a rookie in ASM hacking, could someone tell me how to modify the codes to upgrade it to switch between 3 music banks?