Epson S5U1C63000A manual 312

Instruction List (6)

S1C63000 Core CPU

Classification

Arithmetic operation

Mnemonic		Basic function
Opcode	Operand
SBC	[%Y],%A	[Y] ← [Y]-A-C
	[%Y],%B	[Y] ← [Y]-B-C
	[%Y],imm4	[Y] ← [Y]-imm4-C
	[%Y]+,%A	[Y] ← [Y]-A-C, Y ← Y+1
	[%Y]+,%B	[Y] ← [Y]-B-C, Y ← Y+1
	[%Y]+,imm4	[Y] ← [Y]-imm4-C, Y ← Y+1
CMP	%A,%A	A-A
	%A,%B	A-B
	%A,imm4	A-imm4
	%A,[%X]	A-[X]
	%A,[%X]+	A-[X], X ← X+1
	%A,[%Y]	A-[Y]
	%A,[%Y]+	A-[Y], Y ← Y+1
CMP	%B,%A	B-A
	%B,%B	B-B
	%B,imm4	B-imm4
	%B,[%X]	B-[X]
	%B,[%X]+	B-[X], X ← X+1
	%B,[%Y]	B-[Y]
	%B,[%Y]+	B-[Y], Y ← Y+1
CMP	[%X],%A	[X]-A
	[%X],%B	[X]-B
	[%X],imm4	[X]-imm4
	[%X]+,%A	[X]-A, X ← X+1
	[%X]+,%B	[X]-B, X ← X+1
	[%X]+,imm4	[X]-imm4, X ← X+1
CMP	[%Y],%A	[Y]-A
	[%Y],%B	[Y]-B
	[%Y],imm4	[Y]-imm4
	[%Y]+,%A	[Y]-A, Y ← Y+1
	[%Y]+,%B	[Y]-B, Y ← Y+1
	[%Y]+,imm4	[Y]-imm4, Y ← Y+1
INC	[00addr6]	[00addr6] ← [00addr6]+1
DEC	[00addr6]	[00addr6] ← [00addr6]-1
ADC	%B,%A,n4	B ← N's adjust (B+A+C)
	%B,[%X],n4	B ← N's adjust (B+[X]+C)

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

Remarks