📄 pow.s
字号:
.globl pow, _pow.globl log, exp_pow: mov r5,-(sp) mov sp,r5 movf 4(r5),fr0 movf 12.(r5),fr1 jsr pc,pow mov (sp)+,r5 rts pcpow:/ 0^0~ is 0 tstf fr0 cfcc bne 1f tstf fr1 cfcc beq bad rts pc1:/ -^i is +^i fixed sign bpl 1f movf fr1,-(sp) modf $one,fr1 cfcc bne bad1 movf (sp)+,fr1 absf fr0 jsr pc,1f bes bad movf fr1,-(sp) modf $half,fr1 cfcc beq 2f negf fr02: movf (sp)+,fr1 rts pc1: jsr pc,log bes 1f mulf fr1,fr0 jsr pc,exp1: rts pcbad1: movf (sp)+,fr1bad: sec rts pcone = 40200half = 40000
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -