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Add support for the SuperChis (#138)

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This commit is contained in:
Edoardo Lolletti
2026-02-15 20:26:24 +01:00
committed by GitHub
parent dca92f3920
commit 7c919cf1c1
22 changed files with 1232 additions and 1164 deletions
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37
arm9/source/patches/platform/supercard/scsd/SuperCardSDAddresses.h Normal file
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#include "../asminc.h"
.macro SD_COMMAND_ARGUMENT value
movs r2, \value|0x40
.endm
.macro LOAD_SLOW_EXMEMCNT
@ loads EXMEMCNT register address
ldr r7,= 0x04000200
@ waitstate 4,2 and arm9 slot2 access
@ r7 holds the EXMEMCNT address, use lower 8 bits as 0
strb r7, [r7, #4]
.endm
.macro RELOAD_SLOW_EXMEMCNT
@ waitstate 4,2 and arm9 slot2 access
@ r7 holds the EXMEMCNT address, use lower 8 bits as 0
strb r7, [r7, #4]
.endm
.macro LOAD_FAST_EXMEMCNT
@ loads EXMEMCNT register address
movs r0, #0x18
@ waitstate 2,1 and arm9 slot2 access
strb r0, [r7, #4]
.endm
.macro RESTORE_EXMEMCNT
@ waitstate 4,2 and arm7 slot2 access
movs r2, #0x80
strb r2, [r7, #4]
.endm
.equ sd_dataadd, 0x9000000
.equ sd_dataread, 0x9100000
.equ sd_resetaddr, 0x9440000
.equ reg_scsd_cmd, 0x9800000