Usage: SUB dest,src Modifies flags: AF CF OF PF SF ZF The source is subtracted from the destination and the result is stored in the destination. Clocks Size Operands 808x 286 386 486 Bytes reg,reg 3 2 2 1 2 mem,reg 16+EA 7 6 3 2-4 (W88=24+EA) reg,mem 9+EA 7 7 2 2-4 (W88=13+EA) reg,immed 4 3 2 1 3-4 mem,immed 17+EA 7 7 3 3-6 (W88=25+EA) accum,immed 4 3 2 1 2-3 - see Instruction Timing