DEQ DEQ Decrement 32bit memory by one DEQ Operation: Q <- Q - 1 or M <- M - 1 N V - B D I Z C / . . . . . / . 4510 Versions: +----------------+----------------------+-----------+---------+----------+ | Addressing Mode|Assembly Language Form| OP CODE |No. Bytes|No. Cycles| +----------------+----------------------+-----------+---------+----------+ | Q Register | DEQ |$42 $42 $3A| 3 | 3 | | ZeroPage Quad | DEQ $FF |$42 $42 $C6| 4 | 12dmr | | Absolute Quad | DEQ $FFFF |$42 $42 $CE| 5 | 13dmr | |ZeroPage Quad,X | DEQ $FF,X |$42 $42 $D6| 4 | 12dmpr | |Absolute Quad,X | DEQ $FFFF,X |$42 $42 $DE| 5 | 13dmpr | +----------------+----------------------+-----------+---------+----------+ d Sub 1 if CPU is at 3.5 MHz m Sub non-bus cycles when at 40 MHz p Add 1 if page boundary is crossed. r Add 1 if clock speed is at 40 MHz