Outils pour utilisateurs
back2root:ibm-pc-ms-dos:instr:test
TEST
TEST - Test For Bit Pattern
Performs a logical {AND} of the two operands updating the flags register without saving the result.
Usage:
TEST dest,src ;
Modifies flags:
CF OF PF SF ZF (AF undefined)
| Clocks | Size | |||||
|---|---|---|---|---|---|---|
| Operands | 808x | 286 | 386 | 486 | Bytes | |
| reg,reg | 3 | 2 | 1 | 1 | 2 | |
| reg,mem | 9+EA | 6 | 5 | 1 | 2-4 | (W88=13+EA) |
| mem,reg | 9+EA | 6 | 5 | 2 | 2-4 | (W88=13+EA) |
| reg,immed | 5 | 3 | 2 | 1 | 3-4 | |
| mem,immed | 11+EA | 6 | 5 | 2 | 3-6 | |
| accum,immed | 4 | 3 | 2 | 1 | 2-3 | |
back2root/ibm-pc-ms-dos/instr/test.txt · Dernière modification : 2023/03/04 12:46 de frater
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