Epson S5U1C63000A manual 309

Instruction List (3)

S1C63000 Core CPU

Classification

4-bit data transfer

Arithmetic operation

Mnemonic		Basic function
Opcode	Operand
EX	%A,%B	A ↔ B
EX	%A,[%X]	A ↔ [X]
	%A,[%X]+	A ↔ [X], X ← X+1
	%A,[%Y]	A ↔ [Y]
	%A,[%Y]+	A ↔ [Y], Y ← Y+1
EX	%B,[%X]	B ↔ [X]
	%B,[%X]+	B ↔ [X], X ← X+1
	%B,[%Y]	B ↔ [Y]
	%B,[%Y]+	B ↔ [Y], Y ← Y+1
ADD	%A,%A	A ← A+A
	%A,%B	A ← A+B
	%A,imm4	A ← A+imm4
	%A,[%X]	A ← A+[X]
	%A,[%X]+	A ← A+[X], X ← X+1
	%A,[%Y]	A ← A+[Y]
	%A,[%Y]+	A ← A+[Y], Y ← Y+1
ADD	%B,%A	B ← B+A
	%B,%B	B ← B+B
	%B,imm4	B ← B+imm4
	%B,[%X]	B ← B+[X]
	%B,[%X]+	B ← B+[X], X ← X+1
	%B,[%Y]	B ← B+[Y]
	%B,[%Y]+	B ← B+[Y], Y ← Y+1
ADD	[%X],%A	[X] ← [X]+A
	[%X],%B	[X] ← [X]+B
	[%X],imm4	[X] ← [X]+imm4
	[%X]+,%A	[X] ← [X]+A, X ← X+1
	[%X]+,%B	[X] ← [X]+B, X ← X+1
	[%X]+,imm4	[X] ← [X]+imm4, X ← X+1
ADD	[%Y],%A	[Y] ← [Y]+A
	[%Y],%B	[Y] ← [Y]+B
	[%Y],imm4	[Y] ← [Y]+imm4
	[%Y]+,%A	[Y] ← [Y]+A, Y ← Y+1
	[%Y]+,%B	[Y] ← [Y]+B, Y ← Y+1
	[%Y]+,imm4	[Y] ← [Y]+imm4, Y ← Y+1

Extended function	Clk		Flags			Symbol
(when "LDB %EXT, imm8" is executed)		E	I	C	Z
–	1	0	–	–	–	–
A ↔ [00imm8]	2	0	–	–	–	–
–	2	0	–	–	–	–
A ↔ [FFimm8]	2	0	–	–	–	–
–	2	0	–	–	–	–
B ↔ [00imm8]	2	0	–	–	–	–
–	2	0	–	–	–	–
B ↔ [FFimm8]	2	0	–	–	–	–
–	2	0	–	–	–	–
–	1	0	–	↔ ↔		–
–	1	0	–	↔ ↔		–
–	1	0	–	↔ ↔		–
A ← A+[00imm8]	1	0	–	↔ ↔		–
–	1	0	–	↔ ↔		–
A ← A+[FFimm8]	1	0	–	↔ ↔		–
–	1	0	–	↔ ↔		–
–	1	0	–	↔ ↔		–
–	1	0	–	↔ ↔		–
–	1	0	–	↔ ↔		–
B ← B+[00imm8]	1	0	–	↔ ↔		–
–	1	0	–	↔ ↔		–
B ← B+[FFimm8]	1	0	–	↔ ↔		–
–	1	0	–	↔ ↔		–
[00imm8] ← [00imm8]+A	2	0	–	↔ ↔		–
[00imm8] ← [00imm8]+B	2	0	–	↔ ↔		–
[00imm8] ← [00imm8]+imm4	2	0	–	↔ ↔		–
–	2	0	–	↔ ↔		–
–	2	0	–	↔ ↔		–
–	2	0	–	↔ ↔		–
[FFimm8] ← [FFimm8]+A	2	0	–	↔ ↔		–
[FFimm8] ← [FFimm8]+B	2	0	–	↔ ↔		–
[FFimm8] ← [FFimm8]+imm4	2	0	–	↔ ↔		–
–	2	0	–	↔ ↔		–
–	2	0	–	↔ ↔		–
–	2	0	–	↔ ↔		–

Remarks