Manual CEPR 96 - Balogh technical center

Manuel instructions CEPR96 / MRUC20 M96.40.02
SYNTAX
MONO/MULTI TASK SELECTION
PROGRAM BANK AND ACCU. SELECTION
Hexadecimal : INS,7FH,Val.
Mnemonic: SEL,Val.
EXECUTION
Val allows to select the working mode and to manage the memory accumulators:
- Mode mono or multi task.
- Program bank and Accu. durring program excution.
DEFINITION OF VAL
The SEL instruction allows to modify the selected bank and/or accu:
- to down load the program,
- to change the program bank or the accumulator memory durring the program
execution.
If a program doesn't contain the SEL instruction, it will be executed as a monotask
program starting on bank 0 and will used the accumulator 0 (800H-8FFH).
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7FH
SEL
Si le programme contient l'instruction SEL,3xH (mode mutitâche) dans un banc autre que
INIT, l'instruction est ignorée et le programme est poursuivi dans le mode sélectionné à la
mise sous tension.
Description of the VAL bits
b7 b6 b5 b4 b3 b2 b1 b0
0 0 0 0 Accu Num Bank Num
0 0 0 1 Accu Num X X
0 0 1 0 X X Num Banc
0 0 1 1 0 0 Nb de prog.
0 0 1 1 1 1 1 1
EXAMPLE
Comments
Select a bank and an accu
Select the Num Accu
Select the bank Num Banc
Multitask enable on Nb prog.
Select the INIT bank (supervisor)
- Supervisor Bank 3 selection to download the program
SEL,3H.
- Selection of the bank 1 and the accu 2 durring the program execution:
SEL,9H.
- Selection of the mutitask mode with 3 programs to run :
It must be done in the INIT program:
SEL,32H. (execution of the programs 0,1 and 2)