JAP: Difference between revisions
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'''JAP''' is an assembly instruction. If the [[A register]] is positive or zero (bit 15 = 0), it | '''JAP''' is an assembly instruction. If the [[A register]] is positive or zero (bit 15 = 0), it jumps the program execution to the address of the [[program counter]] (P register) plus the value of [[displacement]] which can be between -128 to 127. Else it continues the program execution at (P) + 1. | ||
== References == | == References == | ||
Latest revision as of 15:28, 27 February 2019
| JAP | |
|---|---|
| Description | Jump if A positive or zero |
| Format | JAP <disp.> |
| Code | 130 0008 |
| Affected | If A>=0 P:=P+Δ |
| Type | User |
| Architecture | ND-100, ND-110 |
JAP is an assembly instruction. If the A register is positive or zero (bit 15 = 0), it jumps the program execution to the address of the program counter (P register) plus the value of displacement which can be between -128 to 127. Else it continues the program execution at (P) + 1.
References
- Norsk Data Document ND–06.014.02 ND-100 REFERENCE MANUAL Page 139
- Norsk Data Document ND–06.029.01 ND-110 Instruction Set Page 79