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- / C library -- read
-
- / nread = read(file, buffer, count);
- / nread ==0 means eof; nread == -1 means error
-
- .globl _read
- .globl cerror
- .read = 3.
-
- _read:
- mov r5,-(sp)
- mov sp,r5
- mov 4(r5),r0
- mov 6(r5),0f
- mov 8(r5),0f+2
- sys 0; 9f
- bec 1f
- jmp cerror
- 1:
- mov (sp)+,r5
- rts pc
- .data
- 9:
- sys .read; 0:..; ..
-