stdlib segment para public 'slcode' assume cs:stdlib ; ; ; RmvStr- Subtracts the characters in a string from a set. ; ; inputs: ; ; ES:DI- Points at the set (at its mask byte). ; DX:SI- Points at the string. ; ; ; public sl_RmvStr ; sl_RmvStr proc far push ds push ax push bx push si push di mov ds, dx ; mov al, es:[di] ;Get mask byte not al add di, 8 ;Skip to start of set mov bh, 0 jmp IntoLp RmvLp: and es:[di][bx], al ;Add to set inc si ;Move on to next char. IntoLp: mov bl, [si] cmp bl, 0 jnz RmvLp ; pop di pop si pop bx pop ax pop ds ret sl_RmvStr endp ; ; stdlib ends end