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18 lines
342 B
ArmAsm
18 lines
342 B
ArmAsm
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@ An interrupt handler that simply acknowledges all interrupts
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.arm
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.global InterruptHandlerSimple
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.align
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InterruptHandlerSimple:
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ldr r2, =0x04000200
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ldrh r1, [r2]
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ldrh r3, [r2, #2]
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and r0, r1, r3
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strh r0, [r2, #2]
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ldr r2, =0x03007FF8
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ldrh r1, [r2]
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orr r1, r1, r0
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strh r1, [r2]
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bx lr
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