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sbdos.mac
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1984-04-29
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450b
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27 lines
;
; SYSLIB Module Name: SBDOS
; Author: Richard Conn
; SYSLIB Version Number: 2.0
; Module Version Number: 1.0
; Module Entry Points:
; BDOS
; Module External References:
; None
;
;
; BDOS -- STANDARD ROUTINE FOR CALLING THE CP/M BDOS
; DO NOT AFFECT REGISTERS BC OR DE
;
BDOSE EQU 5 ; ENTRY POINT FOR BDOS
BDOS::
PUSH B ; SAVE BC
PUSH D ; SAVE DE
CALL BDOSE ; MAKE CALL
POP D ; GET DE
POP B ; GET BC
RET
END