ORA: Difference between revisions
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(New page: {{InstructionBox |Mnemonic=ORA |Description=OR memory contents with A register |Format=ORA ''<addr. mode> <disp.>'' |Code=074 000 |Affecte...) |
(Register notation uniformity fix) |
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|Format=ORA ''<[[ND-100 addressing modes|addr. mode]]> <[[displacement|disp.]]>'' | |Format=ORA ''<[[ND-100 addressing modes|addr. mode]]> <[[displacement|disp.]]>'' | ||
|Code=074 000 | |Code=074 000 | ||
|Affected= | |Affected=A:=A OR (ea) | ||
|Architecture=[[ND-100]], [[ND-110 CPU|ND-110]] | |Architecture=[[ND-100]], [[ND-110 CPU|ND-110]] | ||
}} | }} | ||
Latest revision as of 08:49, 21 March 2013
| ORA | |
|---|---|
| Description | OR memory contents with A register |
| Format | ORA <addr. mode> <disp.> |
| Code | 074 0008 |
| Affected | A:=A OR (ea) |
| Type | User |
| Architecture | ND-100, ND-110 |
ORA is an assembly instruction. It OR the contents of the memory location pointed to by the effective address with the A register contents, leaving the result in the A register.
References
- Norsk Data Document ND–06.014.02 ND-100 REFERENCE MANUAL Page 136
- Norsk Data Document ND–06.029.01 ND-110 Instruction Set Page 67