Zero Flag
The Zero Flag (Z) is set whenever the result of the previous operation resulted in a zero (0). The behavior of the following opcodes is affected by the value of the Zero Flag.
The following opcodes affect the value of the Zero Flag:
INCR
DECR
COMR
NEGR
ADCR
RSWD*
SWAP
SLL
RLC
SLLC
SLR
SAR
RRC
SARC
MOVR
ADDR
SUBR
CMPR
ANDR
XORR
ADD
ADD@
SUB
SUB@
CMP
CMP@
AND
AND@
XOR
XOR@
- Indicates slight variation from normal Sign Flag behavior. See opcode documentation for more details.