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- / C routine-- long integer subtract and add
-
- / ladd/lsub (a, b, c);
- / int a[2], b[2], c[2];
- / a = b +- c;
-
- .globl _lsub
- .globl _ladd
- .globl csv
- .globl cret
-
- _lsub:
- jsr r5,csv
- mov 6(r5),r2
- mov (r2)+,r0
- mov (r2),r1
- mov 10(r5),r2
- sub (r2)+,r0
- sub (r2),r1
- sbc r0
- mov 4(r5),r2
- mov r0,(r2)+
- mov r1,(r2)
- jmp cret
-
- _ladd:
- jsr r5,csv
- mov 6(r5),r2
- mov (r2)+,r0
- mov (r2),r1
- mov 10(r5),r2
- add (r2)+,r0
- add (r2),r1
- adc r0
- mov 4(r5),r2
- mov r0,(r2)+
- mov r1,(r2)
- jmp cret
-