Difference between revisions of "Zero Flag"
m (Protected "Zero Flag" ([edit=autoconfirmed] (indefinite) [move=autoconfirmed] (indefinite))) |
|||
(3 intermediate revisions by 2 users not shown) | |||
Line 1: | Line 1: | ||
+ | [[Category:CP1610]] | ||
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.<br/><br/> | 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.<br/><br/> | ||
Line 7: | Line 8: | ||
[[GSWD]]<br/><br/> | [[GSWD]]<br/><br/> | ||
− | + | The following opcodes affect the value of the Zero Flag:<br/><br/> | |
[[INCR]]<br/> | [[INCR]]<br/> |
Latest revision as of 09:46, 4 December 2010
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.