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37 lines
856 B
C
37 lines
856 B
C
#include "../asminc.h"
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.macro SD_COMMAND_ARGUMENT value
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movs r2, \value|0x40
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.endm
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.macro LOAD_SLOW_EXMEMCNT
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@ loads EXMEMCNT register address
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ldr r7,= 0x04000200
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@ waitstate 4,2 and arm9 slot2 access
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@ r7 holds the EXMEMCNT address, use lower 8 bits as 0
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strb r7, [r7, #4]
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.endm
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.macro RELOAD_SLOW_EXMEMCNT
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@ waitstate 4,2 and arm9 slot2 access
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@ r7 holds the EXMEMCNT address, use lower 8 bits as 0
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strb r7, [r7, #4]
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.endm
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.macro LOAD_FAST_EXMEMCNT
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@ loads EXMEMCNT register address
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movs r0, #0x18
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@ waitstate 2,1 and arm9 slot2 access
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strb r0, [r7, #4]
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.endm
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.macro RESTORE_EXMEMCNT
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@ waitstate 4,2 and arm7 slot2 access
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movs r2, #0x80
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strb r2, [r7, #4]
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.endm
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.equ sd_dataadd, 0x9000000
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.equ sd_dataread, 0x9100000
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.equ sd_resetaddr, 0x9440000
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.equ reg_scsd_cmd, 0x9800000 |