S3C44B0X >> Assembly
Button
參考資訊:
1. pm_pdf
按鍵連接到GPG-6
暫存器
main.s
.equiv PCONG, 0x1d20040 .equiv PDATG, 0x1d20044 .text .global _start _start: b reset _undef: b . _swi: b . _pabort: b . _dabort: b . _reserved: b . _irq: b . _fiq: b . reset: ldr r0, =PCONG ldr r1, =(1 << 10) str r1, [r0] ldr r0, =PDATG 0: ldr r1, [r0] lsr r1, #1 str r1, [r0] b 0b .end
完成