- Flow Over Flag (OF): Value 1 if there is overflow (OV) and set to 0 (NV).
- Sign Flag (SF): Distinguishing numbers marked. Positive numbers (PL) or a negative number (NG).
- Zero Flag (ZF): Value 0, if the result is worth one operation.
- Carry Flag (CF): Value 1 in case (borrow) on the subtraction operation or (carry) on the addition operation.
- Parity Flag (PF): Value 1 if an even
- Direction Flag: Used for string operations
- Interupst Enable Flag (IF): If the value 0, meaning no interruption of running.
- Trap Flag (TF): Used for debugging.
- Auxiliary Flag (AF): Used in BCD operation
B.Mnemonic | B.Mesin | Isi Register |
LDA,C7H | 3ec7 | 2105 5.A |
ADD A,B | 5D | 2102 A.5 |
LD L,A | 6f | 2103 5.A |
LD A,00H | 3e20 00 | 2106 A.5 |
ADC A 00H | c620 00 | 2109 5.A |
LD H,A | 67 | 2110 A.5 |
RST 08 | cf | 2111 5.A |
after entry into Z80 machine language, a road with a RESET command-MEM-RUN from step 0 to 7 to check the contents of registers
lets trY
GOOD LUCK
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