Difference between revisions of "ADD"
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0000:0010:1100:0rrr aaaa:aaaa:aaaa:aaaa<br/> | 0000:0010:1100:0rrr aaaa:aaaa:aaaa:aaaa<br/> | ||
where: | where: | ||
| − | rrr indicates the destination register | + | rrr indicates the destination register |
| + | such that: | ||
rrr == 000 indicates register R0 | rrr == 000 indicates register R0 | ||
rrr == 001 indicates register R1 | rrr == 001 indicates register R1 | ||
Revision as of 19:54, 12 January 2005
| Instruction Name | Add |
| Mnemonic | ADD |
| CP1610 Clock Cycles | 10 |
| Interruptible | Yes |
| Opcode Range | $02C0-$02C7 |
| Input Flags | None |
| Output Flags | Sign Flag, Zero Flag, Overflow Flag, Carry Flag |
The Add (ADD) instruction adds the value at the specified address to the value in the specified destination register, stores the result in the destination register, and sets or clears the Sign Flag, Zero Flag, Overflow Flag, and Carry Flag according to the result.
Format - Decle #1 Format - Word #2 0000:0010:1100:0rrr aaaa:aaaa:aaaa:aaaa
where: rrr indicates the destination register such that: rrr == 000 indicates register R0 rrr == 001 indicates register R1 rrr == 010 indicates register R2 rrr == 011 indicates register R3 rrr == 100 indicates register R4 rrr == 101 indicates register R5 rrr == 110 indicates register R6 rrr == 111 indicates register R7
aaaaaaaaaaaaaaaa indicates the source address
