sh66k33a SinoWealth Micro-Electronics Corp. Ltd, sh66k33a Datasheet - Page 15

• Manufacturer Part Number: sh66k33a
• Description: Mask 1k 4-bit Micro-controller
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Instruction Set
All instructions are one cycle and one-word instructions. The characteristics are memory-oriented operation.
1. Arithmetic and Logical Instruction
1.1. Accumulator Type
1.2. Immediate Type
1.3. Decimal Adjust
ADCM X (, B)
ADDM X (, B)
EORM X (, B)
ANDM X (, B)
SBCM X (, B)
SUBM X (, B)
ORM X (, B)
ADC X (, B)
ADD X (, B)
EOR X (, B)
AND X (, B)
SBC X (, B)
SUB X (, B)
EORIM X, I
ANDIM X, I
Mnemonic
OR X (, B)
Mnemonic
Mnemonic
ORIM X, I
ADIM X, I
SBIM X, I
ADI X, I
SBI X, I
DAA X
DAS X
SHR
11110 0000 000 0000
00000 0bbb xxx xxxx
00000 1bbb xxx xxxx
00001 0bbb xxx xxxx
00001 1bbb xxx xxxx
00010 0bbb xxx xxxx
00010 1bbb xxx xxxx
00011 0bbb xxx xxxx
00011 1bbb xxx xxxx
00100 0bbb xxx xxxx
00100 1bbb xxx xxxx
00101 0bbb xxx xxxx
00101 1bbb xxx xxxx
00110 0bbb xxx xxxx
00110 1bbb xxx xxxx
11001 0110 xxx xxxx
11001 1010 xxx xxxx
Instruction Code
Instruction Code
01000 iiii xxx xxxx
01001 iiii xxx xxxx
01010 iiii xxx xxxx
01011 iiii xxx xxxx
01100 iiii xxx xxxx
01101 iiii xxx xxxx
01110 iiii xxx xxxx
Instruction Code
AC, Mx <- Decimal adjust for add
AC, Mx <- Decimal adjust for sub
15
AC, Mx <- Mx + -AC + CY
AC, Mx <- Mx + AC + CY
0 -> AC[3], AC[0] -> CY;
AC, Mx <- Mx + -AC +1
AC <- Mx + -AC + CY
AC <- Mx + AC + CY
AC, Mx <- Mx + -I +1
AC shift right one bit
AC, Mx <- Mx ⊕ AC
AC, Mx <- Mx & AC
AC, Mx <- Mx + AC
AC <- Mx + -AC +1
AC, Mx <- Mx | AC
AC, Mx <- Mx ⊕ I
AC, Mx <- Mx & I
AC, Mx <- Mx + I
AC <- Mx + -I +1
AC, Mx <- Mx | I
AC <- Mx ⊕ AC
AC <- Mx + AC
AC <- Mx & AC
AC <- Mx | AC
AC <- Mx + I
Function
Function
Function
Flag Change
Flag Change
Flag Change
CY
CY
CY
CY
CY
CY
CY
CY
CY
CY
CY
CY
CY
CY
CY
SH66K33A