?? readfifo.s
字號:
AREA MCIFIFO, CODE, READONLY
EXPORT MCI_ReadFifo
EXPORT MCI_WriteFifo
; int MCI_ReadFifo(unsigned int * dest);
; int MCI_WriteFifo(unsigned int * src);
src RN 4
dst RN 5
MCI_ReadFifo
STMFD sp!,{src,dst,r12,lr}
LDR src, mci_fifo
MOV dst, r0
LDMIA src, {r0-r3}
STMIA dst!, {r0-r3}
LDMIA src, {r0-r3}
STMIA dst!, {r0-r3}
MOV r0, dst
LDMFD sp!,{src,dst,r12,pc}
MCI_WriteFifo
STMFD sp!,{src,dst, r12,lr}
LDR dst, mci_fifo
MOV src, r0
LDMIA src!, {r0-r3}
STMIA dst, {r0-r3}
LDMIA src!, {r0-r3}
STMIA dst, {r0-r3}
MOV r0, src
LDMFD sp!,{src,dst,r12 ,pc}
mci_fifo
DCD 0xE008C080
END
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -