📄 system.asm
字号:
.include hardware.inc
.external _sum
.define P_INT_Ctrl_NEW 0x702d
.code
.public _SP_INT_64Hz
.public F_SP_INT_64Hz;
_SP_INT_64Hz:
F_SP_INT_64Hz:
irq off
R1 = 0x0003;
[P_TimeBase_Setup]=r1
r1 = [P_INT_Ctrl_NEW]
r1 |= 0x0002 //开中断IRQ6_TMB1和IRQ6_TMB2
[P_INT_Ctrl_NEW]= r1
int IRQ
irq on
retf;
.public _Turnoff_INT_64Hz;
_Turnoff_INT_64Hz:
irq off
r1 = [P_INT_Ctrl_NEW]
r1 &= 0xfffd;
[P_INT_Ctrl_NEW] = r1;
irq on
retf
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