Epson S5U1C63000A manual 311

Instruction List (5)

S1C63000 Core CPU

Classification

Arithmetic operation

Mnemonic		Basic function
Opcode	Operand
SUB	%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
SUB	[%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
SUB	[%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
SBC	%A,%A	A ← A-A-C
	%A,%B	A ← A-B-C
	%A,imm4	A ← A-imm4-C
	%A,[%X]	A ← A-[X]-C
	%A,[%X]+	A ← A-[X]-C, X ← X+1
	%A,[%Y]	A ← A-[Y]-C
	%A,[%Y]+	A ← A-[Y]-C, Y ← Y+1
SBC	%B,%A	B ← B-A-C
	%B,%B	B ← B-B-C
	%B,imm4	B ← B-imm4-C
	%B,[%X]	B ← B-[X]-C
	%B,[%X]+	B ← B-[X]-C, X ← X+1
	%B,[%Y]	B ← B-[Y]-C
	%B,[%Y]+	B ← B-[Y]-C, Y ← Y+1
SBC	[%X],%A	[X] ← [X]-A-C
	[%X],%B	[X] ← [X]-B-C
	[%X],imm4	[X] ← [X]-imm4-C
	[%X]+,%A	[X] ← [X]-A-C, X ← X+1
	[%X]+,%B	[X] ← [X]-B-C, X ← X+1
	[%X]+,imm4	[X] ← [X]-imm4-C, X ← X+1

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

Remarks