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S1C63000 CORE CPU MANUAL EPSON 109
CHAPTER 4: INSTRUCTION SET
LDB %EXT,imm8 Load immediate data imm8 into EXT reg. 1 cycle
Function: EXT ← imm8
Loads the 8-bit immediate data into the EXT register. The E flag is set to "1".
Code: Mnemonic MSB LSB
LDB %EXT,imm8 01000i7i6i5i4i3i2i1i00800H–08FFH
Flags: EICZ
↑ –––
Mode: Src: Immediate data
Dst: Register direct
Extended addressing: Invalid
LDB %EXT,%BA Load BA reg. into EXT reg. 1 cycle
Function: EXT ← BA
Loads the content of the BA register into the EXT register. The E flag is set to "1".
Code: Mnemonic MSB LSB
LDB %EXT,%BA 111111101010X1FD4H, (1FD5H)
Flags: EICZ
↑ –––
Mode: Src: Register direct
Dst: Register direct
Extended addressing: Invalid