Filter
Top Products
124 EPSON S1C63000 CORE CPU MANUAL
CHAPTER 4: INSTRUCTION SET
SBC %r,imm4 Subtract with carry immediate data imm4 from r reg. 1 cycle
Function: r ← r - imm4 - C
Subtracts the 4-bit immediate data imm4 and carry (C) from the r register (A or B).
Code: Mnemonic MSB LSB
SBC %A,imm4 110001100i3i2i1i018C0H–18CFH
SBC %B,imm4 110001101i3i2i1i018D0H–18DFH
Flags: EICZ
↓ – ↕↕
Mode: Src: Immediate data
Dst: Register direct
Extended addressing: Invalid
SBC %r,[%ir] Subtract with carry location [ir reg.] from r reg. 1 cycle
Function: r ← r - [ir] - C
Subtracts the content of the data memory addressed by the ir register (X or Y) and carry (C)
from the r register (A or B).
Code:
Mnemonic MSB LSB
SBC %A,[%X] 110001110000018E0H
SBC %A,[%Y] 110001110001018E2H
SBC %B,[%X] 110001110010018E4H
SBC %B,[%Y] 110001110011018E6H
Flags: EICZ
↓ – ↕↕
Mode: Src: Register indirect
Dst: Register direct
Extended addressing: Valid
Extended LDB %EXT,imm8
operation: SBC %r,[%X] r ← r - [00imm8] - C (00imm8 = 0000H + 00H to FFH)
LDB %EXT,imm8
SBC %r,[%Y] r ← r - [FFimm8] - C (FFimm8 = FF00H + 00H to FFH)