?? qsort.s
字號:
/ qsort interfact to c/ qsort(from, to).globl _qsort_qsort: mov 2(sp),r1 mov 4(sp),r2 jsr pc,qsort rts pcqsort: mov r2,r3 sub r1,r3 cmp r3,$4 ble done asr r3 bic $3,r3 add r1,r3 mov r1,-(sp) mov r2,-(sp)loop: cmp r1,r3 bhis loop1 cmp (r1),(r3) bgt loop1 add $4,r1 br looploop1: cmp r2,r3 blos 1f sub $4,r2 mov r2,r0 cmp (r0),(r3) bge loop1 mov (r1),r0 mov (r2),(r1)+ mov r0,(r2)+ mov (r1),r0 mov (r2),(r1) mov r0,(r2) cmp -(r1),-(r2) cmp r1,r3 bne loop mov r2,r3 br loop1: cmp r1,r3 beq 1f mov (r1),r0 mov (r2),(r1)+ mov r0,(r2)+ mov (r1),r0 mov (r2),(r1) mov r0,(r2) cmp -(r1),-(r2) mov r1,r3 br loop11: mov (sp)+,r2 mov r3,-(sp) mov r3,r1 add $4,r1 jsr pc,qsort mov (sp)+,r2 mov (sp)+,r1 br qsortdone: rts pc rti = 2/ itinit().globl _itinit.globl _intrp, _termsignal = 48.time = 13._itinit: sys signal; 1; 1 bit $1,r0 bne 1f sys signal; 1; _onhup1: sys signal; 2; 1 bit $1,r0 bne 1f sys signal; 2; onint1: sys signal; 3; 1 rts pc.globl _onhup_onhup: sys signal; 1; 1 sys signal; 2; 1 sys signal; 3; 1 jmp _termonint: mov r0,-(sp) sys signal; 2; onint inc _intrp mov (sp)+,r0 rti/ t = clock().globl _clock_clock: sys time mov r0,-(sp) mov r1,-(sp) sub t+2,r1 sbc r0 sub t,r0 mov r1,r0 mov (sp)+,t+2 mov (sp)+,t rts pc.bsst: .=.+4
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