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UM018809-0611 CPZ Instruction

ZNEO

CPU Core

User Manual

Syntax and Opcodes

Examples

Before:

R3=FFFF_B0D4H, FFFF_B0D4H=0000H

CPZ.W (R3) ;Object Code: AC53

After:

Flags Z, B=1; C, S, V=0

Before: R3=FFFF_B0D4H, FFFF_B0D4H=7042H

CPZ.W (R3) ;Object Code: AC53

After:

Flags B=1, C, S, Z, V=0

Instruction, Operands Word 0 Word 1 Word 2

CPZ Rd {9H, Rd, 00H}

CPZ addr16 {ADAH, 1x01B} addr16

CPZ addr32 {ADBH, 1x01B} addr[31:16] addr[15:0]

CPZ (Rd) {ACH, 1x01B, Rd}

CPZ soff14(Rd) {ADDH, Rd} {1xB, soff14}

CPZ.W addr16 ADA5H addr16

CPZ.W addr32 ADB5H addr[31:16] addr[15:0]

CPZ.W (Rd) {AC5H, Rd}

CPZ.W soff14(Rd) {ADDH, Rd} {01B, soff14}

CPZ.B addr16 ADA1H addr16

CPZ.B addr32 ADB1H addr[31:16] addr[15:0]

CPZ.B (Rd) {AC1H, Rd}

CPZ.B soff14(Rd) {ADDH, Rd} {00B, soff14}

Note:

1. The ZNEO CPU assembler uses a CP opcode to implement CPZ Rd.

1 2 ... 106 107 108 109 110 111 112 113 114 115 116 ... 215 216

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