;--- extend register arguments to DWORD and SDWORD params in 32-bit
.386
.model flat
.code
ux proc c a1:dword, a2:dword, a3:dword, a4:dword
ret
ux endp
sx proc c a1:sdword, a2:sdword, a3:sdword, a4:sdword
ret
sx endp
invoke sx, cl, dh, bx, ax
;--- with type coercion, the values are sign-extended,
;--- no matter if the target is signed or not.
invoke sx, sbyte ptr cl, sbyte ptr dh, sword ptr bx, sword ptr ax
invoke ux, sbyte ptr cl, sbyte ptr dh, sword ptr bx, sword ptr ax
end