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Instruction List (2)
S1C63000 Core CPU
Opcode
LD
LD
LD
LD
LD
Operand
%A,%A
%A,%B
%A,%F
%A,imm4
%A,[%X]
%A,[%X]+
%A,[%Y]
%A,[%Y]+
%B,%A
%B,%B
%B,imm4
%B,[%X]
%B,[%X]+
%B,[%Y]
%B,[%Y]+
%F,%A
%F,imm4
[%X],%A
[%X],%B
[%X],imm4
[%X],[%Y]
[%X],[%Y]+
[%X]+,%A
[%X]+,%B
[%X]+,imm4
[%X]+,[%Y]
[%X]+,[%Y]+
[%Y],%A
[%Y],%B
[%Y],imm4
[%Y],[%X]
[%Y],[%X]+
[%Y]+,%A
[%Y]+,%B
[%Y]+,imm4
[%Y]+,[%X]
[%Y]+,[%X]+
Basic function
A ← A
A ← B
A ← F
A ← imm4
A ← [X]
A ← [X], X ← X+1
A ← [Y]
A ← [Y], Y ← Y+1
B ← A
B ← B
B ← imm4
B ← [X]
B ← [X], X ← X+1
B ← [Y]
B ← [Y], Y ← Y+1
F ← A
F ← imm4
[X] ← A
[X] ← B
[X] ← imm4
[X] ← [Y]
[X] ← [Y], Y ← Y+1
[X] ← A, X ← X+1
[X] ← B, X ← X+1
[X] ← imm4, X ← X+1
[X] ← [Y], X ← X+1
[X] ← [Y], X ← X+1, Y ← Y+1
[Y] ← A
[Y] ← B
[Y] ← imm4
[Y] ← [X]
[Y] ← [X], X ← X+1
[Y] ← A, Y ← Y+1
[Y] ← B, Y ← Y+1
[Y] ← imm4, Y ← Y+1
[Y] ← [X], Y ← Y+1
[Y] ← [X], Y ← Y+1, X ← X+1
Extended function
(when "LDB %EXT, imm8" is executed)
–
–
–
–
A ← [00imm8]
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A ← [FFimm8]
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–
–
–
B ← [00imm8]
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B ← [FFimm8]
–
–
–
[00imm8] ← A
[00imm8] ← B
[00imm8] ← imm4
–
–
–
–
–
–
–
[FFimm8] ← A
[FFimm8] ← B
[FFimm8] ← imm4
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–
–
–
Symbol
–
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Clk
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
2
2
1
1
1
2
2
1
1
1
2
2
C
–
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↔
↔
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Z
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↔
↔
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–
E
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
↔
↔
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
I
–
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–
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–
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–
–
↔
↔
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–
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–
–
–
Mnemonic
Classification
4-bit data
transfer
Flags
Remarks