RCA 70/46 - Page 236

Processor State Control Instructions
Set Program Mask 04
SPM RR
None.
CC set according to GR bits 2, 3
2.88
specified
by R
1
•
Supervisor Call
OA SVC RR None.
Unchanged.
2.88
Fixed-Point Instructions
Add Halfword
4A AH RX
1.
Fixed-Point overflow. o - Sum is zero.
2. Address error.
1 - Sum is less than zero.
7.92
2 -
Sum is greater than zero.
3 - Overflow.
5E AL
RX 1. Address error.
0- Sum is zero & no carry.
8.40
Add Logical
1 -
Sum is not zero & no carry.
2 - Sum is zero with carry.
IE ALR
RR
3 - Sum is not zero with carry.
4.80
5A A RX
1.
Fixed-Point overflow.
o - Sum is zero.
8.88
2.
Address error.
1 - S urn is less than zero.
Add Word
2 - Sum is greater than zero.
IA AR
RR
3 - Overflow.
5.28
Com~are Halfword
49 CH RX
1. Address error.
o - Operands equal.
1 -
First operand low.
7.44
2 -
First operand high.
3 - Not us·ed.
59 C RX
1. Address error.
o - Operands equal.
8.40
Compare Word
1- First operand low.
2 -
First operand high.
19
CR RR
3 - Not used.
4.80
Convert to Binary
4F CVB
RX
1. Address error. Unchanged.
2. Data error.
91.20
3. Divide error.
Convert to Decimal
4E
CVD RX 1.
Address error.
Unchanged.
68.88 to 91.92
5D
D RX 1.
Address error.
94.89
Divicle
Unchanged.
1D
DR RR
2. Divide error.
90.81
Load Complement 13 LCR
RR
1. Fixed-Point overflow. 0- Result is zero.
1 -
Result is less than zero.
5.28
2 -
Result is greater than zero.
3 -
Overflow.
Legend: M - number of locations stored.