sub

Operands

Subtracts B from A.

Every form of sub the assembler accepts. The cycles column counts clock cycles, written as taken/not taken for the conditional forms.

Instruction	Description	Flags	Bytes	Cycles
sub b	Subtracts B from A.	CN=1P/V=VHZS	1	4
sub c	Subtracts C from A.	CN=1P/V=VHZS	1	4
sub d	Subtracts D from A.	CN=1P/V=VHZS	1	4
sub e	Subtracts E from A.	CN=1P/V=VHZS	1	4
sub h	Subtracts H from A.	CN=1P/V=VHZS	1	4
sub l	Subtracts L from A.	CN=1P/V=VHZS	1	4
sub (hl)	Subtracts (HL) from A.	CN=1P/V=VHZS	1	7
sub a	Subtracts A from A.	CN=1P/V=VHZS	1	4
sub nn	Subtracts `nn` from A.	CN=1P/V=VHZS	2	7
sub ixh undocumented	Subtracts IXH from A.	CN=1P/V=VHZS	2	8
sub ixl undocumented	Subtracts IXL from A.	CN=1P/V=VHZS	2	8
sub (ix+dd)	Subtracts the value pointed to by IX plus `dd` from A.	CN=1P/V=VHZS	3	19
sub iyh undocumented	Subtracts IYH from A.	CN=1P/V=VHZS	2	8
sub iyl undocumented	Subtracts IYL from A.	CN=1P/V=VHZS	2	8
sub (iy+dd)	Subtracts the value pointed to by IY plus `dd` from A.	CN=1P/V=VHZS	3	19