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- ; HAPN (8273 HDLC) interrupt hooks
-
- .MODEL MEMMOD,C
- LOCALS
- %MACS
- .LALL
-
- extrn Stktop,Spsave,Sssave,haint:proc,doret:proc,eoi:proc
-
- .CODE
- dbase dw @Data ; save loc for ds (must be in code segment)
-
- ; ha0vec - HAPN card #0 interrupt handler
- public ha0vec
- label ha0vec far
- push ds ; save on user stack
- mov ds,cs:dbase ; establish interrupt data segment
-
- mov Sssave,ss ; stash user stack context
- mov Spsave,sp
-
- mov ss,cs:dbase
- lea sp,Stktop
-
- push ax ; save user regs on interrupt stack
- push bx
- push cx
- push dx
- push bp
- push si
- push di
- push es
- call eoi
-
- mov ax,0 ; arg for service routine
- push ax
- call haint
- inc sp
- inc sp
- jmp doret
-
- end
-