1234567891011121314151617181920 |
- .sect .text; .sect .rom; .sect .data; .sect .bss
- .define .and
- ! #bytes in cx
- ! save di; it might be a register variable
- .sect .text
- .and:
- pop bx ! return address
- mov dx,di
- mov di,sp
- add di,cx
- sar cx,1
- 1:
- pop ax
- and ax,(di)
- stos
- loop 1b
- mov di,dx
- jmp bx
|