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player2.asm
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.MODEL SMALL
.STACK 128
.DATA
;--------------------------------- data for InGame ---------------------------------
WINDOW_WIDTH equ 320
WINDOW_HEIGHT equ 200
FRAMES_DELAY equ 41 ;24 fps
current_time db ? ;used in delay function
initial_time db ? ;used in delay function
ball_center_x dw 0
ball_center_y dw 0
ball_radius dw 5
ball_radius_square dw ? ;will be calculated in main
ball_velocity_x dw 1 ;-5
ball_velocity_y dw 2 ;2
ball_color_random db 0Fh
right_margin dw 10
top_margin dw 10
bottom_margin dw 10
left_margin dw 10
border_width dw 1
racket_margin dw 30
racket_start_x dw ? ;will set to window_width - racket_margin - racket_width later
racket_start_y dw 180
racket_width dw 25
racket_height dw 5
racket_move_velocity dw 10
shootcenter_x dw ?
shootcenter_y dw ?
chk db ?
dummy1 dw ?
dummy2 dw ?
dummy3 DB 0
;--------------------------------- data for InGame ---------------------------------
;SI -> registers , DI -> Indices
;these vriables are for the first page
;1 -> 15 (2 operands) , 16 -> 23 (1 operand) , 24 -> 25 (no operands) : important for command index
;note for the commandListNames : we can access the string of the command chosen by the following equation : command index * 4 + offset commandListNames
;note for the OperandListNames : we can access the string of the command chosen by the following equation : command index * 2 + offset OperandListNames
chooseMessage DB 'choose$'
yesOrNoMessage DB 'is there is a bracket$'
enterANumber DB ',enter a number : $'
enterNameMessage DB 'Please Enter Your Name : $'
enterPointsMessage DB 'Initial Points : $'
pressEnterMessage DB 'Press Enter To Continue : $'
sendMessageEnter DB 'Press Enter to execute this command : $'
enterForbiddenMsg DB 'Forbidden Character : $'
commandList DB '01) ADD,02) ADC,03) SUB,04) SBB,05) RCR,06) RCL,07) MOV,08) XOR,09) AND,10) OR,11) SHR,12) SHL,13) SAR,14) ROL,15) ROR,16) PUSH,17) POP,18) INC,19) DEC,20) IMUL,21) IDIV,22) MUL,23) DIV,24) NOP,25) CLC$'
isBracketList DB '1) yes,2) No$'
firstOperandList DB '01) AX,02) BX,03) CX,04) DX,05) SI,06) DI,07) SP,08) BP,09) AH,10) AL,11) BH,12) BL,13) CH,14) CL,15) DH,16) DL$'
secondOperandList DB '01) AX,02) BX,03) CX,04) DX,05) SI,06) DI,07) SP,08) BP,09) AH,10) AL,11) BH,12) BL,13) CH,14) CL,15) DH,16) DL,17) enter a number$'
powerUpsList1 DB '1) Executing a command on your own processor,(consumes 5 points),2) Executing a command on your processor and your,opponent processor at the same time,(consumes 3 points),3) Changing the forbidden character only once,(consumes 8 points),$'
powerUpsList2 DB '4) Making one of the data lines stuck at zero or,at one for a single instruction,(consumes 2 points),5) Clearing all registers at once.,(Consumes 30 points and could be used only once)$'
instructionList DB 'use left and right arrow to edit your command,use up and down arrows to scroll pages,use f2 to in game chatting,use f3 to out game chatting,press f4 to exit chatting$'
addressListHeaders DB ' 0 1 2 3 4 5 6 7 8 9 A B C D E F$'
noticationsTitle DB 'notifications ',1,'$'
powerUpsInfo DB 'Power Up info : $'
registersList DB ' AX BX CX DX SI DI SP BP $'
commandListNames DB 'ADD ','ADC ','SUB ','SBB ','RCR ','RCL ','MOV ','XOR ','AND ','OR ','SHR ','SHL ','SAR ','ROL ','ROR ','PUSH','POP ','INC ','DEC ','IMUL','IDIV','MUL ','DIV ','NOP ','CLC '
OperandListNames DB 'AX','BX','CX','DX','SI','DI','SP','BP','AH','AL','BH','BL','CH','CL','DH','DL'
enterGameLevelMsg DB 'enter game Level : $'
gameLevelMsg DB 'game Level : $'
ForbiddebCharMsg DB 'Forbidden Char is : $'
flagsList DB 'CF : ,PF : ,AF : ,ZF : ,SF : ,OF : $'
WinnerMessage DB 'the winner is : $'
loserMessage DB 'the loser is : $'
EnterNewForbidden DB ' ,New Forbidden Char : $'
TargetMessage DB 'Target:$'
enterRegisterVal DB 'AX : ,BX : ,CX : ,DX : ,SI : ,DI : ,SP : ,BP : , $'
extraPowerUp DB '6) Change target Value$'
enterNewTargerMsg DB ',new Target : $'
inGameChatReqMsg DB 'the other player wants to InGame chat with you, press 1 to accept$'
outGameChatReqMsg DB 'the other player wants to outGame chat with you, press 1 to accept$'
personTurnIndex DB 0 ; if 0 then its my turn on my device , if 1 then its opponent turn on his device (used in communication)
isThereAChatting DB 0
;for chat type
;0 : inGameChatting
;1 : outGameChatting
chatType DB 0
;for messageing
messageToBeSend DB 200 DUP('$')
messageRecieved DB 200 DUP('$')
messageToBeSendRow DB 22
messageToBeSendCol DB 51
messageRecievedRow DB 0
messageRecievedCOL DB 51
;variables to be used later in execution
commandIndex DB ?
isFirstOpBracket DB ?
firstOperandIndex DB ?
isSecondOpBracket DB ?
secondOperandIndex DB ?
numberEntered DW 0H
commandEntered DB 15 DUP('$')
pointsAddress DW ?
addressesAddress DW ?
registersAddress DW ?
forbiddentCharAdd DW ?
flagAddress DW ?
gameLevel DB 5
personTurn DB 0 ; if personTurn = 0 then you , if personTurn = 1 then opponent
isGameEnded DB 0 ; if 1 then stop executing and end game
loserNameAddress DW ?
winnerNameAddress DW ?
addedValueToSIDest DW ?
addedValueToSISource DW ?
targetValue DW 105EH
tempNewTarget DW 0
;Variables for level 2
TargetPerson DB 1 ;if 1 then execute on me , if 2 then execute at oponent
;for navigation index
;1 : left arrow
;2 : right arrow
;3 : up arrow
;4 : down arrow
;5 : f2
;6 : f3
;7 : ENTER
;8 : f4
isANavigateButton DB 0H
navigationIndex DB 0H
dummyVariable DB 0H
powerUpIndex DB 0
;variables to be used in other things
navigate DB 1H
PageNumber DB 0H
cursorY DB 0H
cursorX DB 0H
isFirstTime DB 1H
InitialPoints DB 0
tempForbChar DB 0
regisetAdd DW ?
NUMtoBeDisplayed DB 4 DUP('$')
;YOUR VARIABLES
yourAddressesList DB 16 DUP(0)
yourFlags DW 0
youchangedForbiddenKey DB 0 ;IF 1 then you cannot change opponent key again
youMadeRegWithZero DB 0 ;If 1 then you canot use this power up again
youchangedTargetValue DB 0 ;If 1 then you canot use this power up again
;yourRegistersValues[0] = AX
;yourRegistersValues[1] = BX
;yourRegistersValues[2] = CX
;yourRegistersValues[3] = DX
;yourRegistersValues[4] = SI
;yourRegistersValues[5] = DI
;yourRegistersValues[6] = SP
;yourRegistersValues[7] = BP
yourRegistersValues DW 8 DUP(0)
yourPoints DB 0
yourName DB 10 DUP('$')
yourForbiddenChar DB 1 DUP('$')
;OPPONENT VARIABLES
opponentAddressesList DB 16 DUP(0)
opponentFlags DW 0
opponentchangedForbiddenKey DB 0 ;IF 1 then opponent cannot change opponent key again
opponentMadeRegWithZero DB 0 ;If 1 then opponent canot use this power up again
opponentchangedTargetValue DB 0
;opponentRegistersValues[0] = AX
;opponentRegistersValues[1] = BX
;opponentRegistersValues[2] = CX
;opponentRegistersValues[3] = DX
;opponentRegistersValues[4] = SI
;opponentRegistersValues[5] = DI
;opponentRegistersValues[6] = SP
;opponentRegistersValues[7] = BP
opponentRegistersValues DW 8 DUP(0)
opponentPoints DB 0
opponentName DB 10 DUP('$')
opponentForbiddenChar DB 1 DUP('$')
.CODE
;this segemnt is for for inGame game
;=========================================================================
;---------------------
DRAW_SHOOT PROC
;call SET_GRAPHIC_MODE
mov dx, shootcenter_y ;
sub dx, 1 ;Initial row for drawing the ball
draw_sh_loop1:
mov cx, shootcenter_x ;
sub cx, 1 ;initial column for drawing the ball
draw_sh_loop2:
call CHECK_INSIDE_SHOOT
cmp bx, 0000h
je pass_this_pixel
mov al, ball_color_random ;color (random)
mov ah, 0ch ;code for drawing pixel
int 10h ;interupt
pass_this_pixel:
inc cx ;go to next column
mov ax, shootcenter_x ;checking if code reached end of column
add ax, 1
cmp cx, ax
jne draw_sh_loop2
inc dx ;go to next row
mov ax, shootcenter_y ;checking if code reached end of row
add ax, 1
cmp dx, ax
jne draw_sh_loop1
RET
DRAW_SHOOT ENDP
DRAW_BALL PROC
;call SET_GRAPHIC_MODE
mov dx, ball_center_y ;
sub dx, ball_radius ;Initial row for drawing the ball
draw_ball_loop1:
mov cx, ball_center_x ;
sub cx, ball_radius ;initial column for drawing the ball
draw_ball_loop2:
call CHECK_INSIDE_BALL
cmp bx, 0000h
je pass_this_pixel_SH
mov al, ball_color_random ;color (random)
mov ah, 0ch ;code for drawing pixel
int 10h ;interupt
pass_this_pixel_SH:
inc cx ;go to next column
mov ax, ball_center_x ;checking if code reached end of column
add ax, ball_radius
cmp cx, ax
jne draw_ball_loop2
inc dx ;go to next row
mov ax, ball_center_y ;checking if code reached end of row
add ax, ball_radius
cmp dx, ax
jne draw_ball_loop1
RET
DRAW_BALL ENDP
;---------------------
GET_RANDOM_COLOR PROC
push cx
push dx
mov ah, 2ch
int 21h ;get current time miliseconds in al
mov al, dl
mov ah, 0
mov cl, 15
div cl ;we have our random number inside ah (modulus)
inc ah ;to avoid black color for ball!
mov ball_color_random, ah
pop dx
pop cx
RET
GET_RANDOM_COLOR ENDP
;---------------------
CHECK_INSIDE_BALL PROC ;checks if coordinate inside cx and dx is inside the ball's circle. bx=1 for yes, bx=0 for no
push cx
push dx ;keep row and column inside stack
cmp cx, ball_center_x ;check if current point is left or right of center
jge cx_is_positive
mov ax, ball_center_x
sub ax, cx
xchg ax, cx ;now center_x - current_x is in cx
jmp delta_x_is_calculated
cx_is_positive:
sub cx, ball_center_x ;now current_x - center_x is in cx
jmp delta_x_is_calculated
delta_x_is_calculated:
mov al, cl
mul cl ;delta_x^2 inside ax
push ax ;push ax to stack
cmp dx, ball_center_y ;check if current point is up or down of center
jge dx_is_positive
mov ax, ball_center_y
sub ax, dx
xchg ax, dx ;now center_y - current_y is in cx
jmp delta_y_is_calculated
dx_is_positive:
sub dx, ball_center_y ;now current_y - center_y is in cx
jmp delta_y_is_calculated
delta_y_is_calculated:
mov al, dl
mul dl ;delta_y^2 is inside ax
push ax ;push ax to stack
calculate_distance_squared:
pop bx
pop ax
add bx, ax ;calculate delta_x^2 + delta_y^2
cmp bx, ball_radius_square
jle point_is_inside_circle
jg point_is_outside_circle
point_is_inside_circle:
mov bx, 1
jmp check_inside_ball_exit
point_is_outside_circle:
mov bx, 0
jmp check_inside_ball_exit
check_inside_ball_exit:
pop dx
pop cx
RET
CHECK_INSIDE_BALL ENDP
;---------------------
CHECK_INSIDE_SHOOT PROC ;checks if coordinate inside cx and dx is inside the ball's circle. bx=1 for yes, bx=0 for no
push cx
push dx ;keep row and column inside stack
cmp cx, shootcenter_x ;check if current point is left or right of center
jge cx_is_positiveSH
mov ax, shootcenter_x
sub ax, cx
xchg ax, cx ;now center_x - current_x is in cx
jmp delta_x_is_calculatedSH
cx_is_positiveSH:
sub cx, shootcenter_x ;now current_x - center_x is in cx
jmp delta_x_is_calculatedSH
delta_x_is_calculatedSH:
mov al, cl
mul cl ;delta_x^2 inside ax
push ax ;push ax to stack
cmp dx, shootcenter_y ;check if current point is up or down of center
jge dx_is_positiveSH
mov ax, shootcenter_y
sub ax, dx
xchg ax, dx ;now center_y - current_y is in cx
jmp delta_y_is_calculatedSH
dx_is_positiveSH:
sub dx, shootcenter_y ;now current_y - center_y is in cx
jmp delta_y_is_calculatedSH
delta_y_is_calculatedSH:
mov al, dl
mul dl ;delta_y^2 is inside ax
push ax ;push ax to stack
calculate_distance_squaredSH:
pop bx
pop ax
add bx, ax ;calculate delta_x^2 + delta_y^2
cmp bx, ball_radius_square
jle point_is_inside_circleSH
jg point_is_outside_circleSH
point_is_inside_circleSH:
mov bx, 1
jmp check_inside_ball_exitSH
point_is_outside_circleSH:
mov bx, 0
jmp check_inside_ball_exitSH
check_inside_ball_exitSH:
pop dx
pop cx
RET
CHECK_INSIDE_SHOOT ENDP
;---------------------
MOVE_BALL PROC
mov ax, ball_velocity_x
add ball_center_x, ax
mov ax, ball_velocity_y
add ball_center_y, ax
RET
MOVE_BALL ENDP
;--------------------
MOVE_SHOOT PROC
mov ax, 0
sub shootcenter_x, ax
mov ax, 6
sub shootcenter_y, ax
RET
MOVE_SHOOT ENDP
;---------------------
CHECK_KEYBOARD_EVENTS PROC
mov si,0
mov ah, 01h
int 16h
jnz lg ;jz
jmp racket_movement_end
lg:
mov ah, 00h
int 16h
cmp ah,4bh
je racket_move_up
cmp ah, 4dh
je racket_move_down
cmp al,32
je lbl
cmp al, 'q'
jne L_g
mov dummy3,1
jmp end_Subprogram
L_g:
racket_move_up:
mov ax, racket_move_velocity
sub racket_start_x, ax
mov ax, right_margin
cmp racket_start_x, ax
jl dum1
jmp racket_movement_end
dum1:
mov ax, right_margin
mov racket_start_x, ax
jmp racket_movement_end
racket_move_down:
mov ax, racket_move_velocity
add racket_start_x, ax
mov ax, WINDOW_WIDTH
sub ax, left_margin
sub ax, racket_height
cmp racket_start_x, ax
jle racket_movement_end
mov ax, WINDOW_WIDTH
sub ax, left_margin
sub ax, racket_height
mov racket_start_x, ax
jmp racket_movement_end
lbl:
whil :
cmp shootcenter_y,0
je chfirst
;here check collosion with shot or not
mov ax,ball_center_x
cmp ax,shootcenter_x
je xeqx
jmp loklok
xeqx:
mov ax, ball_center_y
cmp ax ,shootcenter_y
jne loklok
inc yourPoints
;----------------
loklok: CALL CLEAR_SHOOT
CALL CLEAR_RACKET
CALL CLEAR_BALL
CALL MOVE_SHOOT
CALL MOVE_BALL
CALL CHECK_BALL_COLLISION
CALL DRAW_SHOOT
CALL DRAW_RACKET
CALL DRAW_BALL
CALL DELAY
JMP whil
chfirst:
mov ax,racket_start_x
mov bx, racket_start_y
mov shootcenter_x,ax
mov shootcenter_y,bx
CALL CLEAR_BALL
CALL CLEAR_SHOOT
racket_movement_end:
mov ax,racket_start_x
mov bx, racket_start_y
; add ax,5
;
; add bx,10
mov shootcenter_x,ax
mov shootcenter_y,bx
CALL CLEAR_BALL
CALL CLEAR_SHOOT
end_Subprogram:
RET
CHECK_KEYBOARD_EVENTS ENDP
;---------------------
CHECK_BALL_COLLISION PROC
call CHECK_BALL_RIGHT_COLLISION
call CHECK_BALL_LEFT_COLLISION
call CHECK_BALL_TOP_COLLISION
call CHECK_BALL_BOTTOM_COLLISION
RET
CHECK_BALL_COLLISION ENDP
;---------------------
CHECK_BALL_LEFT_COLLISION PROC
mov bx, ball_center_x
sub bx, ball_radius
cmp bx, left_margin ;did the ball touch the left border?
jle left_collided
jg left_collision_end
left_collided:
mov ax, left_margin
mov ball_center_x, ax
mov ax, ball_radius
add ball_center_x, ax ;putting ball on the left border (in case it passed it)
call GET_RANDOM_COLOR
not ball_velocity_x
add ball_velocity_x, 1 ;multiplied the x velocity by -1, so the direction of it changes.
left_collision_end:
RET
CHECK_BALL_LEFT_COLLISION ENDP
;----------------------------------
CHECK_BALL_RIGHT_COLLISION PROC
mov bx, ball_center_x
add bx, ball_radius
mov ax ,WINDOW_WIDTH
sub ax, bx
cmp ax, right_margin ;did the ball touch the left border?
jle rihgt_collided
jg right_collision_end
rihgt_collided:
mov ax,right_margin
sub ball_center_x,ax
call GET_RANDOM_COLOR
not ball_velocity_x
add ball_velocity_x, 1 ;multiplied the x velocity by -1, so the direction of it changes.
right_collision_end:
RET
CHECK_BALL_RIGHT_COLLISION ENDP
;---------------------*------------
CHECK_BALL_TOP_COLLISION PROC
mov bx, ball_center_y
sub bx, ball_radius
cmp bx, top_margin ;did the ball touch the top border?
jle top_collided
jg top_collision_end
top_collided:
mov ax, top_margin
mov ball_center_y, ax
mov ax, ball_radius
add ball_center_y, ax ;putting ball on the top border (in case it passed it)
call GET_RANDOM_COLOR
not ball_velocity_y
add ball_velocity_y, 1 ;multiplied the y velocity by -1, so the direction of it changes.
top_collision_end:
RET
CHECK_BALL_TOP_COLLISION ENDP
;---------------------
CHECK_BALL_BOTTOM_COLLISION PROC
mov bx, ball_center_y
add bx, ball_radius
mov cx, WINDOW_HEIGHT
sub cx, bottom_margin
cmp bx, cx ;did the ball touch the bottom border?
jge bottom_collided
jl bottom_collision_end
bottom_collided:
mov ax, WINDOW_HEIGHT
sub ax, bottom_margin
mov ball_center_y, ax
mov ax, ball_radius
sub ball_center_y, ax ;putting ball on the bottom border (in case it passed it)
call GET_RANDOM_COLOR
not ball_velocity_y
add ball_velocity_y, 1 ;multiplied the y velocity by -1, so the direction of it changes.
bottom_collision_end:
RET
CHECK_BALL_BOTTOM_COLLISION ENDP
;--------------------
DELAY PROC
mov ah, 86h
mov cx, 0h
mov dx, 0a028h ;wait for 41 miliseconds (for 24 fps)
int 15h
RET
DELAY ENDP
;------------------
CLEAR_BALL PROC ;same as draw ball, with black color
mov dx, ball_center_y
sub dx, ball_radius ;Initial row for drawing the ball
clear_ball_loop1:
mov cx, ball_center_x
sub cx, ball_radius
clear_ball_loop2:
mov ah, 0ch ;code for drawing pixel
mov al, 00h ;color (black)
int 10h ;interupt
inc cx ;go to next column
mov ax, ball_center_x ;checking if code reached end of column
add ax, ball_radius
cmp cx, ax
jnz clear_ball_loop2
inc dx ;go to next tow
mov ax, ball_center_y ;checking if code reached end of row
add ax, ball_radius
cmp dx, ax
jnz clear_ball_loop1
RET
CLEAR_BALL ENDP
;---------------------
CLEAR_SHOOT PROC ;same as draw ball, with black color
mov dx, shootcenter_y ;
sub dx, ball_radius ;Initial row for drawing the ball
clear_ball_loop1SH:
mov cx, shootcenter_x ;
sub cx, ball_radius ;initial column for drawing the ball
clear_ball_loop2SH:
mov ah, 0ch ;code for drawing pixel
mov al, 00h ;color (black)
int 10h ;interupt
inc cx ;go to next column
mov ax, shootcenter_x ;checking if code reached end of column
add ax, ball_radius
cmp cx, ax
jnz clear_ball_loop2SH
inc dx ;go to next tow
mov ax, shootcenter_y ;checking if code reached end of row
add ax, ball_radius
cmp dx, ax
jnz clear_ball_loop1SH
RET
CLEAR_SHOOT ENDP
;---------------------
CLEAR_RACKET PROC
mov dx, racket_start_y ;initial row for drawing the racket
clear_racket_loop1:
mov cx, racket_start_x ;initial column for drawing the ball
clear_racket_loop2:
mov ah, 0ch
mov al, 00h
int 10h
inc cx
mov ax, racket_start_x
add ax, racket_width
cmp cx, ax
jnz clear_racket_loop2
inc dx
mov ax, racket_start_y
add ax, racket_height
cmp dx, ax
jnz clear_racket_loop1
RET
CLEAR_RACKET ENDP
;---------------------
DRAW_RACKET PROC
mov dx, racket_start_y
draw_racket_loop1:
mov cx, racket_start_x
draw_racket_loop2:
mov ah, 0ch
mov al, 25h
int 10h
inc cx
mov ax, racket_start_x
add ax, racket_width
cmp cx, ax
jnz draw_racket_loop2
inc dx
mov ax, racket_start_y
add ax, racket_height
cmp dx, ax
jnz draw_racket_loop1
RET
DRAW_RACKET ENDP
;---------------------
CLEAR_SCREEN PROC
mov ah, 06H ;scroll up
mov al, 00h ;clear entire window
mov bh, 00h ;color
mov cx, 0000 ;start row, column
mov dx, 184fh ;end row, column
int 10h
RET
CLEAR_SCREEN ENDP
;---------------------
SET_GRAPHIC_MODE PROC
mov ah, 00h ;setting video mode
mov al, 13h ;320x200 256 colors
int 10h ;call interruption
mov ax, 1003h
mov bl, 00h
mov bh, 00h
int 10h ;disable blinking for background
RET
SET_GRAPHIC_MODE ENDP
;---------------------
InitGame PROC
mov ax, ball_radius
mul ball_radius
mov ball_radius_square, ax ;initializing ball_radius_square
mov ax, WINDOW_WIDTH
sub ax, racket_margin
sub ax, racket_width
mov racket_start_x, 150
;----------------
mov ax, racket_start_x
mov bx,racket_start_y
mov shootcenter_x,ax
mov shootcenter_y,bx
;-----------------
CALL SET_GRAPHIC_MODE
move_ball_loop:
call CLEAR_BALL
call MOVE_BALL
call CLEAR_RACKET
call CHECK_KEYBOARD_EVENTS
cmp dummy3,1
je end_program
call CHECK_BALL_COLLISION
call DRAW_RACKET
call DRAW_BALL
call DELAY
jmp move_ball_loop
end_program:
mov dummy3,0
RET
InitGame ENDP
;=========================================================================
;==================================MACRO===================================
;this is a macro to change foreground and background color of a screen
changeForBackColor MACRO forColor,BackColor
MOV AH,06H
;use BH as register to put the 2 values sticked together
MOV BH,BackColor
MOV CL,4
SHL BH,CL
OR BH,forColor
XOR AL, AL ; Clear entire screen => same as MOV al,0
XOR CX, CX ; Upper left corner CH=row, CL=column => same as MOV cx, 0
MOV DX, 184FH ; lower right corner DH=row, DL=column
INT 10H
ENDM
;==========================================================================
;==================================MACRO===================================
;this is a macro to display a byte
displayByteByConvertingItToAscii MACRO num,forColor,BackColor
LOCAL BEGINTOPRINTTHENEXTNUM,MULTIPLYBWITHFACTOR,EXITMULTIPLYINGBBYAFACTOR
;the idea of this function is that it takes a nuumber like 232 , it divides it first by 100 then it pints 2
;then the remainder is 32 , it takes this remainder and divides it by 10 then it prints 3
;then the remainder is 2 , t takes this remainder and divide it by 1 and then it prints 2
MOV DL,3
MOV DH,num
BEGINTOPRINTTHENEXTNUM:
;calculate the vale of divisor
MOV BH,DL
SUB BH,01H
MOV AL,1
MOV CL,10
MULTIPLYBWITHFACTOR:
CMP BH,0H
JE EXITMULTIPLYINGBBYAFACTOR
MUL CL
DEC BH
JMP MULTIPLYBWITHFACTOR
EXITMULTIPLYINGBBYAFACTOR:
MOV BL,AL
;calculate the result of division
MOV AL,DH
MOV AH,0H
DIV BL ;AL = AX/BL , AH = AX%BL
MOV DH,AH
ADD AL,'0'
;print the number on the screen
MOV AH,09H
MOV BH,0H
MOV BL,BackColor
MOV CL,4
SHL BL,CL
OR BL,forColor
MOV CX,1H
INT 10H
PUSH DX
;get the cursor position and adjust it
MOV BH,0H
MOV AH,03H ;DH : row ,DL : column
INT 10H
;then increment the column number and set the new cursor position to it
INC DL
MOV AH,02H
INT 10H
POP DX
;repeat
DEC DL
JNZ BEGINTOPRINTTHENEXTNUM
ENDM
;==========================================================================
;==================================MACRO===================================
;this is a macro to display a word
displayWordByConvertingItToAscii MACRO num,forColor,BackColor
;the idea of this function is that it takes a nuumber like 232 , it divides it first by 100 then it pints 2
;then the remainder is 32 , it takes this remainder and divides it by 10 then it prints 3
;then the remainder is 2 , t takes this remainder and divide it by 1 and then it prints 2
LOCALS @@ ;this will define any lable with prefix @@ to be a local variable
PUSH AX
PUSH BX
PUSH CX
PUSH DX
MOV DX,num
MOV BL,5
@@BEGINTOPRINTTHENEXTNUM:
;calculate the vale of divisor
MOV AH,0H
MOV BH,BL
SUB BH,01H
MOV AL,1
MOV CX,10
@@MULTIPLYBWITHFACTOR:
CMP BH,0H
JE @@EXITMULTIPLYINGBBYAFACTOR
PUSH DX
MUL CX
POP DX
DEC BH
JMP @@MULTIPLYBWITHFACTOR
@@EXITMULTIPLYINGBBYAFACTOR:
PUSH BX
MOV BX,AX
;calculate the result of division
MOV AX,DX
MOV DX,0
DIV BX ;AX = (DX AX)/BX , DX = (DX AX)%BX
ADD AL,'0'
;print the number on the screen
MOV AH,09H
MOV BH,0H
MOV BL,BackColor
MOV CL,4
SHL BL,CL
OR BL,forColor
MOV CX,1H
INT 10H
PUSH DX
;get the cursor position and adjust it
MOV BH,0H
MOV AH,03H ;DH : row ,DL : column
INT 10H
;then increment the column number and set the new cursor position to it
INC DL
MOV AH,02H
INT 10H
POP DX
POP BX
;repeat
DEC BL
JNZ @@BEGINTOPRINTTHENEXTNUM
POP DX
POP CX
POP BX
POP AX
ENDM
;==========================================================================
;==================================MACRO===================================
;this is a macro to display a word => this is a special micro
displaySourceNumberByConvertingItToAscii MACRO num,forColor,BackColor
;the idea of this function is that it takes a nuumber like 232 , it divides it first by 100 then it pints 2
;then the remainder is 32 , it takes this remainder and divides it by 10 then it prints 3