📄 tetris.asm
字号:
; Tetris
; Written by Lim GumSu(prk)
; 2005.12.12 Nankai University
DATA SEGMENT
SEGMENT1C DW 0
OFF1C DW 0
BOARD DW 24 DUP(?),0FFFFH
Y DB ?
TY DB ?
XR DB ?
XL DB ?
NOW DB ?
DIRE DB ?
NXT DB ?
TIM DB 0
SPEED DB 0
CON DB 0
DV DB 0
FLG DB 0
PAD DW 0H,3C0H,0H,0H ;0
DW 100H,100H,100H,100H
DW 0H,3C0H,0H,0H
DW 100H,100H,100H,100H
DW 0H,180H,180H,0H ;1
DW 0H,180H,180H,0H
DW 0H,180H,180H,0H
DW 0H,180H,180H,0H
DW 0H,380H,200H,0H ;2
DW 200H,200H,300H,0H
DW 0H,80H,380H,0H
DW 0H,300H,100H,100H
DW 0H,380H,80H,0H ;3
DW 300H,200H,200H,0H
DW 0H,200H,380H,0H
DW 100H,100H,300H,0H
DW 0H,180H,300H,0H ;4
DW 100H,180H,80H,0H
DW 0H,180H,300H,0H
DW 100H,180H,80H,0H
DW 0H,300H,180H,0H ;5
DW 80H,180H,100H,0H
DW 0H,300H,180H,0H
DW 80H,180H,100H,0H
DW 0H,380H,100H,0H ;6
DW 100H,180H,100H,0H
DW 100H,380H,0H,0H
DW 100H,300H,100H,0H
P1 DW 4 DUP(?)
P2 DW 4 DUP(?)
COLOR DB 00001001b,00001010b,00001011b,00001100b,00001101b,00001110b,00000001b
NCOLOR DB ?
SCORE DB 5 DUP('0'),'$'
PADMSG DB 25 DUP(219)
TMPMSG DB 25 DUP(?)
STARTMSG1 DB 0DH,0AH,'Select speed.',0DH,0AH,'$'
STARTMSG2 DB 20H,20H,'1. Fast',0DH,0AH,'$'
STARTMSG3 DB 20H,20H,'2. Middle',0DH,0AH,'$'
STARTMSG4 DB 20H,20H,'3. Slow',0DH,0AH,'$'
STARTMSG5 DB 20H,20H,'0. Exit',0DH,0AH,'$'
ENDMSG DB 0DH,0AH,'Good Bye!',0DH,0AH,'$'
SCOREMSG1 DB 201,19 dup(205),187
SCOREMSG2 DB 186,' Score: ',186
SCOREMSG3 DB 204,19 dup(205),185
SCOREMSG4 DB 186,19 dup(32),186
SCOREMSG5 DB 186,19 dup(32),186
SCOREMSG6 DB 186,19 dup(32),186
SCOREMSG7 DB 186,19 dup(32),186
SCOREMSG8 DB 204,19 dup(205),185
SCOREMSG9 DB 186,' Left : A ',186
SCOREMSG10 DB 186,' Right : D ',186
SCOREMSG11 DB 186,' Rotate: S ',186
SCOREMSG12 DB 186,' Down : Tab ',186
SCOREMSG13 DB 186,'-------------------',186
SCOREMSG14 DB 186,' Exit : Esc ',186
SCOREMSG15 DB 200,19 dup(205),188
DATA ENDS
STACK SEGMENT STACK
DB 200 DUP(?)
STACK ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA,ES:DATA,SS:STACK
START: MOV AX,DATA
MOV DS,AX
PUSH DS
;GET INT 1C ADRESS
MOV AL,1CH
MOV AH,35H
INT 21H
MOV SEGMENT1C,ES
MOV OFF1C,BX
;SET INT 1C ADRESS
MOV DX,OFFSET INT1C
MOV AX,SEG INT1C
MOV DS,AX
MOV AL,1CH
MOV AH,25H
INT 21H
POP DS
GAMEOVER:
MOV AH,00H
MOV AL,03H
INT 10H
SELECTSPEED:
MOV AH,09H
MOV DX,OFFSET STARTMSG1
INT 21H
MOV DX,OFFSET STARTMSG2
INT 21H
MOV DX,OFFSET STARTMSG3
INT 21H
MOV DX,OFFSET STARTMSG4
INT 21H
MOV DX,OFFSET STARTMSG5
INT 21H
MOV AH,08H
INT 21H
SUB AL,'0'
MOV CL,AL
AND AL,3
CMP AL,CL
JNE SELECTSPEED
INC AL
INC CL
MUL CL
CMP AL,1H
JE EXIT
MOV SPEED,AL
;SET GRAPHICS
MOV AH,00H
MOV AL,12H
INT 10H
MOV AH,0BH
MOV BH,01
MOV BL,00H
INT 10H
;START GAME
CALL INITGAME
CALL BEGIN
CALL DELAY
MOV TIM,0H
LOOP1: STI
MOV AL,TIM
CMP AL,SPEED
JG TIME
MOV AH,1
INT 16H
JZ LOOP1
MOV AH,0
INT 16H
CMP AL,1BH
JZ EXIT
CMP AL,'a'
JZ KA
CMP AL,'s'
JZ KS
CMP AL,'d'
JZ KD
CMP AL,09H
JNZ TIME
KTAB: CALL DELAY
CALL DOWN
CMP CON,1
JNE KTAB
CALL BEGIN
JMP LOOP1
KA: CALL LEFT
JMP LOOP1
KS: CALL ROTATE
JMP LOOP1
KD: CALL RIGHT
JMP LOOP1
TIME: MOV TIM,0H
CALL DOWN
CMP CON,0
JE LOOP1
CALL BEGIN
JMP LOOP1
EXIT: ;SET GRAPHICS
MOV AX,0003H
INT 10H
MOV AX,DATA
MOV DS,AX
MOV DX,OFFSET ENDMSG
MOV AH,09H
INT 21H
;SET INT 1C ADRESS
MOV DX,OFF1C
MOV AX,SEGMENT1C
MOV DS,AX
MOV AL,1CH
MOV AH,25H
INT 21H
MOV AX,4C00H
INT 21H
INT1C PROC
STI
PUSH AX
PUSH DX
MOV AX,DATA
MOV DS,AX
INC TIM
POP DX
POP AX
IRET
INT1C ENDP
DELAY PROC NEAR
PUSH CX
MOV CX,00FFH
LOOP20: LOOP LOOP20
POP CX
RET
DELAY ENDP
ROTATE PROC NEAR
MOV SI,OFFSET PAD
MOV AL,NOW
MOV AH,0H
MOV CL,32
MUL CL
ADD SI,AX
MOV AL,DIRE
INC AL
AND AL,03H
MOV AH,0H
MOV CL,8
MUL CL
ADD SI,AX
MOV DI,OFFSET P2
MOV CX,04H
CLD
LOOP12: PUSH CX
LODSW
MOV CL,XR
SHR AX,CL
MOV CL,XL
SHL AX,CL
STOSW
POP CX
LOOP LOOP12
CALL CHECK
CMP AL,0H
JNE SKIP10
MOV BX,0000H
CALL DISPPAD
CALL COPY21
INC DIRE
AND DIRE,3H
MOV BH,00H
MOV BL,NCOLOR
CALL DISPPAD
SKIP10: RET
ROTATE ENDP
RIGHT PROC NEAR
CALL COPY12
MOV SI,OFFSET P2
MOV CX,04H
LOOP7: MOV AX,[SI]
SHR AX,1
MOV [SI],AX
INC SI
INC SI
LOOP LOOP7
CALL CHECK
CMP AL,0H
JNE SKIP6
MOV BX,0000H
CALL DISPPAD
CALL COPY21
CMP XL,0
JE SKIP7
DEC XL
DEC XR
SKIP7: INC XR
MOV BH,00H
MOV BL,NCOLOR
CALL DISPPAD
SKIP6: RET
RIGHT ENDP
LEFT PROC NEAR
CALL COPY12
MOV SI,OFFSET P2
MOV CX,04H
LOOP10: MOV AX,[SI]
SHL AX,1
MOV [SI],AX
INC SI
INC SI
LOOP LOOP10
CALL CHECK
CMP AL,0H
JNE SKIP8
MOV BX,0000H
CALL DISPPAD
CALL COPY21
CMP XR,0
JE SKIP9
DEC XR
DEC XL
SKIP9: INC XL
MOV BH,00H
MOV BL,NCOLOR
CALL DISPPAD
SKIP8: RET
LEFT ENDP
DOWN PROC NEAR
CALL COPY12
INC TY
CALL CHECK
CMP AL,0H
JNE SKIP5
MOV BX,0000H
CALL DISPPAD
CALL COPY21
MOV BH,00H
MOV BL,NCOLOR
CALL DISPPAD
MOV CON,00H
RET
SKIP5: CALL PUT
MOV CON,01H
RET
DOWN ENDP
PUT PROC NEAR
MOV BH,0H
MOV BL,0h
CALL DISPPAD
MOV BH,0H
MOV BL,01011001b
CALL DISPPAD
INC SCORE[4]
MOV DV,01H
MOV AH,0H
MOV AL,Y
ADD AL,Y
MOV SI,OFFSET BOARD
ADD SI,AX
MOV DI,00H
MOV CX,04H
CLD
LOOP15: LODSW
OR AX,P1[DI]
MOV [SI-2],AX
INC DI
INC DI
LOOP LOOP15
MOV SI,OFFSET BOARD
ADD SI,23*2
MOV DI,SI
MOV CX,20
MOV BH,00H
MOV FLG,00H
STD
LOOP13: LODSW
CMP AX,0FFFFH
JNE SKIP12
MOV FLG,0FFH
MOV AL,DV
SAL AL,1
MOV DV,AL
JMP LOOP13
SKIP12: STOSW
;PUSH AX
CMP FLG,0H
JE SKIP70
PUSH CX
MOV DH,CL
ADD DH,03H
MOV DL,0AH
MOV BX,0000H
MOV BP,OFFSET PADMSG
MOV CX,20
PUSH AX
MOV AX,1300H
INT 10H
POP AX
MOV CL,03H
SHL AX,CL
MOV CX,0AH
MOV DL,08H
LOOP14: INC DL
INC DL
MOV BL,0H
SHL AX,1
JNC SKIP11
MOV BL,01011001b
SKIP11: CALL DISPCELL
LOOP LOOP14
POP CX
SKIP70: LOOP LOOP13
MOV AL,DV
SAR AL,1
ADD SCORE[3],AL
MOV CX,05H
MOV SI,04H
LOOP16: CMP SCORE[SI],'9'
JNG SKIP13
INC SCORE[SI-1]
SUB SCORE[SI],0AH
SKIP13: DEC SI
LOOP LOOP16
RET
PUT ENDP
DISPSCORE PROC NEAR
MOV AX,DATA
MOV ES,AX
MOV BP,OFFSET SCORE
MOV CX,05H
MOV DX,0635H
MOV BH,0H
MOV AL,0H
MOV BL,00110100B
MOV AH,13H
INT 10H
RET
DISPSCORE ENDP
DISPNEXT PROC NEAR
MOV AX,DATA
MOV ES,AX
MOV BP,OFFSET TMPMSG
MOV DI,BP
MOV SI,OFFSET PAD
MOV AL,NXT
MOV AH,0
MOV BL,32
MUL BL
ADD SI,AX
CLD
MOV CX,04H
LOOP8: PUSH CX
LODSW
MOV CL,06H
SHL AX,CL
MOV CX,04H
LOOP9: MOV BL,20H
SHL AX,1
JNC SKIP2
MOV BL,219
SKIP2: MOV [DI],BL
INC DI
MOV [DI],BL
INC DI
LOOP LOOP9
MOV DX,0c30H
POP CX
SUB DH,CL
PUSH CX
MOV CX,08H
MOV BH,0H
PUSH SI
MOV AH,0H
MOV AL,NXT
MOV SI,AX
MOV BL,COLOR[SI]
POP SI
MOV AX,1300H
INT 10H
POP CX
MOV DI,BP
LOOP LOOP8
RET
DISPNEXT ENDP
COPY21 PROC NEAR
CLD
MOV SI,OFFSET P2
MOV DI,OFFSET P1
MOV CX,08
REP MOVSB
MOV CL,TY
MOV Y,CL
RET
COPY21 ENDP
COPY12 PROC NEAR
CLD
MOV SI,OFFSET P1
MOV DI,OFFSET P2
MOV CX,08
REP MOVSB
MOV CL,Y
MOV TY,CL
RET
COPY12 ENDP
BEGIN PROC NEAR
MOV AL,NXT
MOV NOW,AL
CALL RANDOM
CALL DISPSCORE
CALL DISPNEXT
;FORMAT VALUE
MOV DIRE,0
MOV Y,4
MOV TY,4
MOV XR,0
MOV XL,0
MOV AH,0
MOV AL,NOW
MOV SI,AX
MOV CL,COLOR[SI]
MOV NCOLOR,CL
MOV DI,OFFSET P2
MOV SI,OFFSET PAD
MOV BL,32
MUL BL
ADD SI,AX
MOV CX,08
CLD
REP MOVSB
CALL COPY21
MOV BH,0H
MOV BL,NCOLOR
CALL DISPPAD
CALL CHECK
CMP AL,0
JE SKIP1
MOV DL,07H
MOV AH,02H
INT 21H
MOV AH,08H
INT 21H
JMP GAMEOVER
SKIP1: CALL DELAY
MOV TIM,0H
RET
BEGIN ENDP
CHECK PROC NEAR ;RETURN AL=0/F 0:OK F:NO
MOV AH,0H
MOV AL,TY
ADD AL,TY
MOV SI,OFFSET BOARD
ADD SI,AX
MOV DI,00H
MOV CX,04H
CLD
LOOP6: LODSW
AND AX,P2[DI]
JNZ SKIP4
INC DI
INC DI
LOOP LOOP6
MOV AL,00H
RET
SKIP4: MOV AL,0FH
RET
CHECK ENDP
DISPPAD PROC NEAR ;BX BH=PAGE BL=COLOR
MOV SI,OFFSET P1
MOV CX,04H
MOV DL,08H
MOV DH,Y
ADD DH,04H
PUSH DX
CLD
LOOP2: LODSW
POP DX
PUSH DX
SUB DH,CL
PUSH CX
MOV CL,03H
SHL AX,CL
MOV CX,0AH
LOOP3: INC DL
INC DL
SHL AX,1
JNC SKIP3
CALL DISPCELL
SKIP3: LOOP LOOP3
POP CX
LOOP LOOP2
POP DX
RET
DISPPAD ENDP
DISPCELL PROC NEAR ;DH=ROW DL=COL BH=PAGE BL=COLOR
PUSH AX
PUSH BX
PUSH CX
PUSH DX
PUSH DI
PUSH SI
MOV BP,OFFSET PADMSG
MOV CX,02H
MOV AX,1300H
INT 10H
CMP BL,0H
JE SKIP20
;CALC ROW
MOV AH,0H
MOV AL,DH
MOV CL,16
MUL CL
MOV SI,AX
;CALC COL
MOV AH,0H
MOV AL,DL
MOV CL,8
MUL CL
MOV DI,AX
;DRAW
MOV AX,0C00H
MOV DX,SI
ADD DX,15
MOV CX,16
LOOP21: ADD CX,DI
DEC CX
INT 10H
INC CX
SUB CX,DI
LOOP LOOP21
MOV DX,SI
MOV CX,15
ADD DI,15
LOOP22: PUSH CX
MOV CX,DI
INT 10H
INC DX
POP CX
LOOP LOOP22
SUB DI,2
DEC DX
MOV CX,13
LOOP23: PUSH CX
DEC DX
MOV CX,DI
INT 10H
SUB CX,12
MOV AL,07H
INT 10H
MOV AL,00H
POP CX
LOOP LOOP23
MOV AX,0C07H
MOV DX,SI
ADD DX,1
MOV CX,12
SUB DI,12
LOOP24: ADD CX,DI
INT 10H
SUB CX,DI
LOOP LOOP24
SKIP20: POP SI
POP DI
POP DX
POP CX
POP BX
POP AX
RET
DISPCELL ENDP
CLS PROC NEAR
MOV CX,0
MOV DH,24
MOV DL,79
MOV BH,0
MOV AX,600H
INT 10H
RET
CLS ENDP
RANDOM PROC NEAR
LOOP5: IN AX,40H
INC AL
AND AL,07H
CMP AL,07H
JE LOOP5
MOV NXT,AL
RET
RANDOM ENDP
INITGAME PROC NEAR
CALL CLS
;DRAW TEXTFRAME
MOV AX,DATA
MOV ES,AX
MOV CX,15
MOV BP,OFFSET SCOREMSG1
MOV DX,052aH
LOOP72: PUSH CX
MOV CX,21
MOV AL,0H
MOV BH,0H
MOV BL,01011010B
MOV AH,13H
INT 10H
ADD BP,21
INC DH
POP CX
LOOP LOOP72
;DRAW BOARDFRAME
MOV BP,OFFSET PADMSG
MOV CX,0024
MOV DX,0308H
MOV BH,0H
MOV AL,0H
MOV BL,00110100B
MOV AH,13H
INT 10H
MOV DX,1808H
INT 10H
MOV CX,20
MOV DX,0308H
LOOP4: MOV SI,CX
MOV CX,02
INC DH
INT 10H
MOV CX,SI
LOOP LOOP4
MOV CX,20
MOV DX,031EH
LOOP11: MOV SI,CX
MOV CX,02
INC DH
INT 10H
MOV CX,SI
LOOP LOOP11
;FORMAT BOARD
CLD
MOV DI,OFFSET BOARD
MOV CX,24
MOV AX,0E007H
REP STOSW
;FORMAT SCORE
MOV DI,OFFSET SCORE
MOV AL,'0'
MOV CX,05H
REP STOSB
CALL RANDOM
MOV AL,NXT
MOV NOW,AL
RET
INITGAME ENDP
CODE ENDS
END START
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