Epson S1C63000 - Manual (Page 113)

S1C63000 CORE CPU MANUAL EPSON 107
CHAPTER 4: INSTRUCTION SET
LDB %BA,%rr Load rr reg. into BA reg. 1 cycle
Function: BA
←
rr
Loads the content of the rr register (XL, XH, YL or YH) into the BA register.
Code: Mnemonic MSB LSB
LDB %BA,%XL 1 1 1 1 1 1 1 0 0 1 0 0 0 1FC8H
LDB %BA,%XH 1 1 1 1 1 1 1 0 0 1 0 0 1 1FC9H
LDB %BA,%YL 1 1 1 1 1 1 1 0 0 1 0 1 0 1FCAH
LDB %BA,%YH 1 1 1 1 1 1 1 0 0 1 0 1 1 1FCBH
Flags: E I C Z
↓
– – –
Mode: Src: Register direct
Dst: Register direct
Extended addressing: Invalid
LDB %BA,%sp Load stack pointer into BA reg. 1 cycle
Function: BA
←
sp
Loads the content of the stack pointer sp (SP1 or SP2) into the BA register.
Code: Mnemonic MSB LSB
LDB %BA,%SP1 1 1 1 1 1 1 1 0 0 1 1 0 X 1FCCH, (1FCDH)
LDB %BA,%SP2 1 1 1 1 1 1 1 0 0 1 1 1 X 1FCEH, (1FCFH)
Flags: E I C Z
↓
– – –
Mode: Src: Register direct
Dst: Register direct
Extended addressing: Invalid