mirror of
https://github.com/NishiOwO/VZEditor.git
synced 2025-04-21 16:44:40 +00:00
145 lines
2.1 KiB
NASM
145 lines
2.1 KiB
NASM
;****************************
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; 'harderr.asm'
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;****************************
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include vz.inc
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;--- Equations ---
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HARDMSGCNT equ 3
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cseg
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;--- External symbols ---
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extrn syssw :word
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extrn csroff :near
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extrn loadwloc :near
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extrn newline :near
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extrn printf :near
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extrn puts :near
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extrn resetint1 :near
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extrn savewloc :near
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extrn setatr :near
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extrn setint1 :near
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extrn skipstr :near
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extrn toupper :near
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extrn wait_key1 :near
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extrn mg_harderr :byte
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extrn mg_drive :byte
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endcs
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dseg
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;--- Local work ---
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vct24 dd 0
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mg_abort db ' (Abort/Retry)? ',0
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endds
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eseg
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;--- Set/reset INT24h ---
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public setint24
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setint24 proc
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mov bx,offset cgroup:vct24
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mov di,24h*4
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mov ax,offset cgroup:int24in
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mov dx,cs
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call setint1
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ret
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setint24 endp
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public resetint24
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resetint24 proc
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mov bx,offset cgroup:vct24
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mov di,24h*4
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mov dx,cs
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call resetint1
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ret
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resetint24 endp
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;--- INT24h handler ---
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int24in proc
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pushm <bx,cx,dx,si,di,bp,ds,es>
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movseg ds,cs
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mov dx,di
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push syssw
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and byte ptr syssw,not SW_SILENT
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call savewloc
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push ax
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call newline
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mov al,ATR_MSG
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call setatr
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pop ax
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push ax
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tst ah
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_ifn s
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mov si,offset cgroup:mg_drive
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add al,'A'
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cbw ; ##151.08
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push ax
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mov bx,sp
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call printf
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pop ax
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_endif
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clr cx
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mov di,offset cgroup:mg_harderr
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movseg es,cs
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_repeat
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cmp cl,dl
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_break e
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call skipstr
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inc cx
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cmp cl,HARDMSGCNT
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_while b
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mov si,di
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push dx
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mov bx,sp
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call printf
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pop dx
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mov si,offset cgroup:mg_abort
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call puts
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_repeat
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call csroff
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call wait_key1 ; ##156.113
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call toupper
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mov cl,al
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cmp al,'A'
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_break e
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cmp al,'R'
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_until e
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call newline
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pop ax
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call loadwloc
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pop syssw
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cmp cl,'R'
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jne abort
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mov al,1
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popm <es,ds,bp,di,si,dx,cx,bx>
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iret
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abort:
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msdos 54h
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mov bp,sp
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or byte ptr [bp+22*2],1
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mov ax,INVALID
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add sp,12*2
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popm <bx,cx,dx,si,di,bp,ds,es>
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iret
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int24in endp
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endes
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end
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;****************************
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; End of 'harderr.asm'
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; Copyright (C) 1989 by c.mos
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;****************************
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