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S1C63000 CORE CPU MANUAL EPSON 39
CHAPTER 4: INSTRUCTION SET
Memory
[%X], [X] ............. Memory where the X register specifies
[%Y], [Y] ............. Memory where the Y register specifies
[00addr6] ............Memory within 0000H to 003FH where the addr6 specifies
[FFaddr6] ............ Memory within FFC0H to FFFFH where the addr6 specifies
[%SP1], [SP1]...... 16-bit address stack where the SP1 specifies
[%SP2], [SP2]...... 4-bit data stack where the SP2 specifies
Flags
Z ...........................Zero flag
C ...........................Carry flag
I ............................Interrupt flag
E ...........................Extension flag
↑ ........................... Flag is set
↓ ........................... Flag is reset
↕ ............................Flag is set or reset
– ............................Flag is not changed
Operations and others
+ ........................... Addition
- ............................Subtraction
∧ ........................... Logical product
∨ ........................... Logical sum
∀ ...........................Exclusive OR
← ..........................Data load
↔..........................Data exchange
Extended addressing mode (EXT.mode)
●● ..........................Can be used
×............................Cannot be used (prohibit use)