VIPA CPU 21 Series - Data type conversion instructions

Manual VIPA CPU 21x Chapter 12 Instruction list
Command
Operand Parameter Status word Function
Length
in
BR CC1 CC0 OV OS OR STA RLO /FC
words
: Instruction depends on
: Instruction influences
HB103E - Rev. 05/45 12-25
Data type conversion instructions
Data type
conversion instructions
Status word The results of the conversion are in ACCU1.
When converting real numbers, the execution
time depends on the value.
BTI -
BR CC1 CC0 OV OS OR STA RLO /FC
Convert contents of ACCU1 from BCD to integer (16Bit) 1
- - - - -----
(BCD To Int.).
BTD - - - - - -----Convert contents of ACCU1 from BCD to integer (32Bit). 1
(BCD To Doubleint.).
DTR - Convert cont. of ACCU1 from integer (32Bit) to Real number 1
(32Bit) (Doubleint. To Real).
ITD - Convert contents of ACCU1 from integer (16Bit) to integer 1
(32Bit) (Int. To Doubleint.).
ITB -
BR CC1 CC0 OV OS OR STA RLO /FC
Convert contents of ACCU1 from integer (16Bit) to BCD 1
- - - - -----
0 to +/-999 (Int. To BCD).
DTB - - - - Y Y - - - - Convert contents of ACCU1 from integer (32Bit) to BCD 1
0 to +/-9 999 999 (Doubleint. To BCD).
RND -
BR CC1 CC0 OV OS OR STA RLO /FC
Convert a real number to 32Bit integer. 1
RND- - - - - - -----Convert a real number to 32Bit integer. 1
- - - Y Y - - - - The number is rounded next hole number..
RND+ - Convert real number to 32Bit integer. 1
It is rounded up to the next integer.
TRUNC - Convert real number to 32Bit integer. 1
The places after the decimal point are truncated.
Complement creation
Status word
INVI -
BR CC1 CC0 OV OS OR STA RLO /FC
Forms the ones complement of ACCU1-L (integer). 1
INVD - - - - - -----Forms the ones complement of ACCU1. 1
- - - - -----
NEGI -
BR CC1 CC0 OV OS OR STA RLO /FC
Forms the twos complement of ACCU1-L. 1
NEGD - - - - - -----Forms the twos complement of ACCU1 (double integer). 1
- Y Y Y Y - - - -