Category : C Source Code
Archive   : WINDOW_C.ZIP
Filename : W_PUTW.ASM

 
Output of file : W_PUTW.ASM contained in archive : WINDOW_C.ZIP
title w_putw -- puts a word into video memory

; uses MASM 5.0

wrd equ [bp+4]
vid_adr equ [bp+6]

IFDEF LATTICE

; here's what Lattice uses -- if you're assembling for Lattice C, use
; masm /Dlattice w_putw;

DGROUP GROUP DATA
DATA SEGMENT WORD PUBLIC 'DATA'
ASSUME DS:DGROUP,ES:DGROUP,SS:DGROUP
DATA ENDS
PGROUP GROUP PROG
PROG SEGMENT BYTE PUBLIC 'PROG'
ASSUME CS:PGROUP

_snowFlag equ
_vidMem equ
_w_putw equ

ELSE

; this works for Microsoft or Turbo C -- assemble with the command:
; masm /MX w_putw;

.model small
.code

ENDIF

extrn _vidMem:word,_snowFlag:word
public _w_putw

_w_putw proc
push bp
mov bp,sp
push es
push di
mov ax,_vidMem
mov es,ax
mov ax,wrd
mov di,vid_adr
shl di,1
test _snowFlag,1
jnz snow
stosw
jmp short done
snow: mov dx,3dah
mov bx,ax
wait1: in al,dx
ror al,1
jb wait1
wait2: cli
in al,dx
ror al,1
jnb wait2
mov al,bl
stosb
sti
wait3: in al,dx
ror al,1
jb wait3
wait4: cli
in al,dx
ror al,1
jnb wait4
mov al,bh
stosb
sti
done: pop di
pop es
pop bp
ret
_w_putw endp

IFDEF LATTICE
PROG ENDS
ENDIF

end


  3 Responses to “Category : C Source Code
Archive   : WINDOW_C.ZIP
Filename : W_PUTW.ASM
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/