mirror of
https://github.com/LNH-team/pico-loader.git
synced 2026-06-02 01:06:50 +02:00
6a97b677a7
- Supercard CF (SUPERCARDCF) - GBA Media Player CF (MPCF) - M3 Adapter CF (M3CF) - Max Media Dock CF (MMCF)
27 lines
454 B
ArmAsm
27 lines
454 B
ArmAsm
.cpu arm7tdmi
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.syntax unified
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.thumb
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.section "sccf_lock_unlock", "ax"
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.global sccf_lockUnlockCard
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.type sccf_lockUnlockCard, %function
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sccf_lockUnlockCard:
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cmp r0, #1
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bne unlock
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@ void sc_change_mode(uint16_t mode);
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sccf_changeMode:
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push {r1-r3, lr}
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ldr r2,= 0x09FFFFFE
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ldr r3,= 0xA55A
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strh r3, [r2]
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strh r3, [r2]
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strh r0, [r2]
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strh r0, [r2]
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pop {r1-r3, pc}
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unlock:
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movs r0, #3
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b sccf_changeMode
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.pool
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