命令セット
すべて「KUE-CHIP2教育用ボードリファレンスマニュアル」からの抜粋です
| 略記号 |
命令コード（1語目） |
B'（２語目） |
命令機能の概略 |
| NOP |
0 0 0 0 0 - - - |
⨯ |
No OPeration |
|
| HLT |
0 0 0 0 1 - - - |
⨯ |
HaLT |
停止 |
| |
0 1 0 1 - - - - |
⨯ |
|
未使用(HLT) |
| OUT |
0 0 0 1 0 - - - |
⨯ |
OUTput |
(ACC)→OBUF |
| IN |
0 0 0 1 1 - - - |
⨯ |
INput |
(IBUF)→ACC |
| RCF |
0 0 1 0 0 - - - |
⨯ |
Reset CF |
0→CF |
| SCF |
0 0 1 0 1 - - - |
⨯ |
Set CF |
1→CF |
| Bcc |
0 0 1 1 cc |
⦾ |
Branch cc |
条件が成立すればB'→PC |
| Ssm |
0 1 0 0 A 0 sm |
⨯ |
Shift sm |
(A)→shift, rotate→A
はみ出したビット→CF |
| Rsm |
0 1 0 0 A 1 sm |
⨯ |
Rotate sm |
| LD |
0 1 1 0 A B |
◯ |
LoaD |
(B)→A |
| ST |
0 1 1 1 A B |
⦾ |
STore |
(A)→B |
| SBC |
1 0 0 0 A B |
◯ |
SuBtract with Carry |
(A)-(B)-CF→A |
| ADC |
1 0 0 1 A B |
◯ |
ADd with Carry |
(A)+(B)+CF→A |
| SUB |
1 0 1 0 A B |
◯ |
SUBtract |
(A)-(B)→A |
| ADD |
1 0 1 1 A B |
◯ |
ADD |
(A)+(B)→A |
| EOR |
1 1 0 0 A B |
◯ |
Exclusive OR |
(A)⨁(B)→A |
| OR |
1 1 0 1 A B |
◯ |
OR |
(A)∨(B)→A |
| AND |
1 1 1 0 A B |
◯ |
AND |
(A)∧(B)→A |
| CMP |
1 1 1 1 A B |
◯ |
CoMPare |
(A)-(B) |
A
B'
B
000: ACC001: IX01-: d（即値アドレス）100: [d]（絶対アドレス）101: (d)（絶対アドレス）110: [IX+d]（インデックス修飾アドレス）111: (IX+d)（インデックス修飾アドレス）
cc: Condition Code
| A |
0 0 0 0 |
Always |
| VF |
1 0 0 0 |
on oVerFlow |
| NZ |
0 0 0 1 |
on Not Zero |
| Z |
1 0 0 1 |
on Zero |
| ZP |
0 0 1 0 |
on Zero or Positive |
| N |
1 0 1 0 |
on Negative |
| P |
0 0 1 1 |
on Positive |
| ZN |
1 0 1 1 |
on Zero or Negative |
| NI |
0 1 0 0 |
on No Input |
| NO |
1 1 0 0 |
on No Output |
| NC |
0 1 0 1 |
on Not Carry |
| C |
1 1 0 1 |
on Carry |
| GE |
0 1 1 0 |
on Greater than or Equal |
| LT |
1 1 1 0 |
on Less Than |
| GT |
0 1 1 1 |
on Greater Than |
| LE |
1 1 1 1 |
on Less than or Equal |
sm: Shift Mode
| RA |
0 0 |
Right Arithmetically |
| LA |
0 1 |
Left Arithmetically |
| RL |
1 0 |
Right Logically |
| LL |
1 1 |
Left Logically |