Special Peripherals, Configuration, Software; The Special Function Interface For Microspace Computers Sfi; Int 15H Sfr Functions - DIGITAL-LOGIC MICROSPACE MSEP800 Technical User's Manual

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12 S
PECIAL
S
OFTWARE
12.1 The Special Function Interface for MICROSPACE
Computers SFI
All functions are performed by starting the SW-interrupt 15hex with the following arguments:
12.1.1

INT 15h SFR Functions

Function:
Number:
Description:
Input values:
Output values:
Function:
Number:
Description:
Input values:
Output values:
Function:
Number:
Description:
Input values:
Output value:
P
ERIPHERALS
WRITE TO EEPROM
E0h
Writes the Data byte into the addressed User-Memory-Cell from
the serial EEPROM. The old value is automatically deleted
AH 78h DLAG Int15 function
AL E0h Function request
BX Address in EEPROM (0-1024 Possible)
CL Data Byte to store
SI 1234h User-Password (otherwise EEP is write protected)
None, all registers are preserved
READ FROM EEPROM
E1h
Reads the Data byte from the addressed User-Memory-Cell of
the serial EEPROM
AH 78h DLAG Int15 function
AL E1h Function request
BX Address in the EEPROM (0-1234 Possible)
SI 1234h User-Password (DLAG-Password for access to the
DLAG-Memory-Cells)
AL Data Byte
WRITE SERIAL NUMBER
E2h
Writes the Serialnumber from the serial EEPROM into the
addressed DLAG-Memory-Cell. The old value is automatically
deleted
AH 78h DLAG Int15 function
AL E2h Function request
BX, Serial Number
CX,
DX
SI Password
None, all registers are preserved
, C
ONFIGURATION
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MSEP800 Manual V1.0G
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