Category : OS/2 Files
Archive   : DD_IN_C.ZIP
Filename : START4.ASM

;
; C startup routine, 4 devices
;
PUBLIC _STRAT1
PUBLIC _STRAT2
PUBLIC _STRAT3
PUBLIC _STRAT4
PUBLIC __acrtused
PUBLIC _INT_HNDLR
PUBLIC _TIM_HNDLR

EXTRN _interrupt_handler:near
EXTRN _timer_handler:near
EXTRN _main:near

_DATA segment word public 'DATA'
_DATA ends

CONST segment word public 'CONST'
CONST ends

_BSS segment word public 'BSS'
_BSS ends

DGROUP group CONST, _BSS, _DATA
_TEXT segment word public 'CODE'

assume cs:_TEXT,ds:DGROUP,es:NOTHING,ss:NOTHING
.286P
;
_STRAT1 proc far
__acrtused: ; satisfy EXTRN modules
;
push 0
jmp start ;signal device 0

_STRAT1 endp

_STRAT2 proc far
;
push 1 ;signal second device
jmp start

_STRAT2 endp

_STRAT3 proc far
;
push 2 ;signal third device
jmp start

_STRAT3 endp

_STRAT4 proc far
;
push 3 ;signal fourth device
jmp start

;
start:
push es ;send Request Pkt address
push bx
call _main ;call driver mainline
pop bx ;restore es:bx
pop es
add sp,2 ;clean up stack
mov word ptr es:[bx+3],ax ;send completion status
ret
;
_STRAT4 endp
;
_INT_HNDLR proc far
;
call _interrupt_handler ;handle rupts
ret ;bail out
;
_INT_HNDLR endp
;
_TIM_HNDLR proc far
;
pusha
push es
push ds
call _timer_handler
pop ds
pop es
popa
ret
;
_TIM_HNDLR endp
;
_TEXT ends
end