Difference between revisions of "BOV"
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− | The Branch on | + | The Branch on Overflow opcode (BOV) is a two-decle opcode that is a part of the [[Branch]] family of opcodes. This instruction causes the [[CP1610]] to branch if the [[Overflow Flag]] is set to the address specified by the following parameters.<br/> |
− | Format - Decle #1 Format - Word #2 ( | + | Format - Decle #1 Format - Word #2 (All 16 bits are significant) |
0000:0010:00d0:0010 aaaa:aaaa:aaaa:aaaa<br/> | 0000:0010:00d0:0010 aaaa:aaaa:aaaa:aaaa<br/> | ||
where:<br/> | where:<br/> |
Latest revision as of 07:59, 4 December 2010
Instruction Name | Branch on Overflow |
Mnemonics | BOV |
CP1610 Clock Cycles | 7 or 9 |
Interruptible | Yes |
Opcode Range | $0202, $0222 |
The Branch on Overflow opcode (BOV) is a two-decle opcode that is a part of the Branch family of opcodes. This instruction causes the CP1610 to branch if the Overflow Flag is set to the address specified by the following parameters.
Format - Decle #1 Format - Word #2 (All 16 bits are significant) 0000:0010:00d0:0010 aaaa:aaaa:aaaa:aaaa
where:
d indicates the direction of the branch such that: d == 0 indicates to branch in the forward direction d == 1 indicates to branch in the reverse direction
aaaaaaaaaaaaaaaa indicates the amount of offset
See the Branch opcode family documentation for more information.