Epson S1C63000 LD [%ir]+,[%ir’]+, LDB %BA,imm8, 1 cycle, Load immediate data imm8 into BA reg

																		CHAPTER 4: INSTRUCTION SET
LD [%ir]+,[%ir’]+				Load location [ir’ reg.] into location [ir reg.] and increment ir and ir’ reg. 2 cycles
Function: [ir] ←		[ir’], ir ←		ir + 1, ir’ ←			ir’ + 1
	Loads the content of the data memory addressed by the ir’ register (X or Y) into the data
	memory addressed by the ir register (Y or X). Then increments both the ir and ir’ registers.
Code:	Mnemonic			MSB													LSB
	LD [%X]+,[%Y]+				1	1	1	1	0	1	1	1	1	1	1	1		1	1EFFH
	LD [%Y]+,[%X]+				1	1	1	1	0	1	1	1	1	1	1	0		1	1EFDH
Flags:	E		I	C	Z
	↓		–	–	–
Mode:	Src: Register indirect
	Dst: Register indirect
	Extended addressing: Invalid

LDB %BA,imm8

Load immediate data imm8 into BA reg.

1 cycle

Function: BA ←

imm8

Loads the 8-bit immediate data imm8 into the BA register.

Code:

Mnemonic

MSB

LSB

LDB %BA,imm8

0

1

0

0

1

i7

i6

i5

i4

i3

i2

i1

i0

0900H–09FFH

Flags:

E

I

C

Z

↓

–

–

–

Mode:

Src: Immediate data

Dst: Register direct

Extended addressing: Invalid

S1C63000 CORE CPU MANUAL EPSON 105