Will this set and clear the zero and sign flags?

[joblaise]

.data
.386
.model flat, stdcall
option casemap :none ; case sensitive
.code
main PROC

mov cl,1 ; CL=1
sub cl,1 ; CL=0, SF=0, ZF=1
call DumpRegs

sub cl,1 ; CL=-1, SF=1, ZF=0
call DumpRegs

add ch,1 ; CH=0, SF=0, ZF=1
call DumpRegs

add ch,1 ; CH=1, SF=0, ZF=0
call DumpRegs

exit
main ENDP
END main

 

[TessaBonting]

yes

 

[lionelhill]

ch, cl?? you changed half way through

 

[TessaBonting]

I mist that, Tessa