Category : A Collection of Games for DOS and Windows
Archive   : BURGLARM.ZIP
Filename : GOODDAY.ASM

Output of file : GOODDAY.ASM contained in archive : BURGLARM.ZIP
cseg segment
assume cs:cseg , ds:cseg
org 100H
enter:jmp begin
db 13,'GOODDAY from R.M.Wilson, c(o) 1986',26
string1 db ' Good ',0DH
string2 db ' Morning! ',0DH
string3 db 'Afternoon!',0DH
string4 db ' Evening! ',0DH
string5 db ' Night! ',0DH
string6 db ' T G I F ',0DH

hold db 80 dup(0) ;Holds 8 bytes for 10 characters.
screen dw 0B000H ;Will be set correctly.
begin:xor ax,ax ;First, decide which monitor.
mov ds,ax
mov ax,0B000H
test byte ptr ds:[410H],10H
jne over1
add ax,800H ;if color monitor
over1:push cs
pop ds
mov screen,ax
mov es,ax
mov cx,2000
mov ax,1320H
xor di,di
rep stosw ;Clear screen.

xor bp,bp
xor di,di
call send ;Say "Good".

mov ah,2CH
int 21H ;Get time.
cmp ch,6
jb nigh
cmp ch,12
jb morn
cmp ch,18
jb afte
jmp short even

morn: mov bp,11
jmp short over2
afte: mov bp,22
jmp short over2
even: mov bp,33
jmp short over2
nigh: mov bp,44
jmp short over2

over2:mov di,8*160
call send
mov ah,2AH ;Check whether it's Friday.
int 21H
cmp al,5
jne cursor
mov bp,55
mov di,17*160
call send
cursor: xor bh,bh ;Place the cursor and return.
mov dx,0F00H
mov ah,2
int 10H

form: mov bl,cs:string1[bp]
cmp bl,0DH
jne over
over:xor bh,bh
shl bx,1
shl bx,1
shl bx,1 ;mult by 8
push si
add si,bx
mov cx,8
rep movsb
pop si
inc bp
jmp form

send: push di ;This routine writes the message at offset 3+bp
push cs ;on the screen starting at offset di.
pop es
mov si,0FA6EH ;Point ds:si to address in ROM
mov ax,0F000H ;where character set is stored.
mov ds,ax
mov di,offset hold
call form
push cs
pop ds
pop di
mov ax,cs:screen
mov es,ax
xor bp,bp

up2:mov si, offset hold
add si,bp
mov cx,10
mov bl,80H ;8 bytes
up3:push ax
mov dl,32
and al,bl
jz over4
mov dl,219
over4:mov es:[di],dl
mov byte ptr es:[di+1],13H
inc di
inc di
ror bl,1
pop ax
cmp bl,80H
jne up3
add si,7
loop up
inc bp
cmp bp,8
jl up2
cseg ends
end enter

  3 Responses to “Category : A Collection of Games for DOS and Windows
Archive   : BURGLARM.ZIP
Filename : GOODDAY.ASM

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

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

  3. But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: