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https://github.com/SEPPDROID/Digital-Research-Source-Code.git
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78 lines
2.0 KiB
Plaintext
78 lines
2.0 KiB
Plaintext
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;*****************************************************
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;*
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;* Character I/O Interface
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;*
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;*****************************************************
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CSEG
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org 0
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jmp init
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jmp entry
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sysdat dw 0 ;SYSDAT segment
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supervisor equ (offset $)
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rw 2
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db 'COPYRIGHT (C) 1981,'
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db ' DIGITAL RESEARCH '
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serial db '654321'
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;====
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init:
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;====
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mov sysdat,ds
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mov bx,offset supmod ! mov si,supervisor
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mov ax,[bx]
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mov cs:[si],ax
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mov ax,2[bx]
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mov cs:2[si],ax
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retf
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;*****************************************************
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;*
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;* CIO function table
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;*
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;*****************************************************
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functab dw conin_entry ; 0 - Console Input
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dw conout_entry ; 1 - Console Output
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dw rconin_entry ; 2 - raw console input
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dw rconout_entry ; 3 - raw console output
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dw listout_entry ; 4 - list output
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dw dirio_entry ; 5 - direct console I/O
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dw conwrite_entry ; 6 - print string
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dw conread_entry ; 7 - read buffer
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dw constat_entry ; 8 - console status
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dw conattach_entry ; 9 - attach console
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dw condetach_entry ; 10- detach console
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dw setdefcon_entry ; 11- set default console
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dw conassign_entry ; 12- assign console
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dw getdefcon_entry ; 13- get default console
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dw conprint_entry ; 14- print string (internal)
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dw lstattach_entry ; 15- attach list
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dw lstdetach_entry ; 16- detach list
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dw setdeflst_entry ; 17- set default list
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dw clstattch_entry ; 18- cond list attach
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dw cconattch_entry ; 19- cond list detach
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dw getdeflst_entry ; 20- get default list
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dw mimic_entry ; 21- mimic device
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dw unmimic_entry ; 22- unmimic device
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;===== =================
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entry: ; CIO entry point
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;===== =================
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mov ch,0 ! shl cx,1 ! mov si,cx
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call cs:functab[si] ! retf
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;===== ===============
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mpmif: ; MPM interface
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;===== ===============
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callf cs:dword ptr .supervisor ! ret
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;====== ================
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xiosif: ; XIOS interface
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;====== ================
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callf dword ptr .xiosmod ! ret
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