📄 clock.asm
字号:
RET
sjx ENDP
liney PROC NEAR
PUSH x1
PUSH x2
PUSH y1
PUSH y2
pusha
CALL xymaxmin
MOV AX,y2
MOV BX,y1
CALL subab
MOV y2y1,AX
MOV SI,0
CMP SI,AX
JE heng
JMP lop1
heng: JMP hengxian
lop1: MOV AX,x2
MOV BX,x1
CALL subab
MOV x2x1,AX
MOV AX,ymin
MOV y,AX
line0y: SUB AX,ymin
MOV DX,0
MOV CX,x2x1
MUL CX
MOV CX,y2y1
DIV CX
MOV DX,0
CMP DL,s
JE zhengy
MOV CX,AX
MOV AX,yminx
SUB AX,CX
JMP kky
zhengy: ADD AX,yminx
kky: MOV x,AX
CALL DIan
INC y
MOV AX,y
CMP AX,ymax
JBE line0y
JMP quity
hengxian: MOV AX,ymin
MOV y,AX
MOV AX,xmin
MOV x,AX
lopy: CALL DIan
INC x
MOV AX,xmax
CMP AX,x
JAE lopy
quity: MOV s,0
POPa
POP y2
POP y1
POP x2
POP x1
RET
liney ENDP
;***************************linex***y=(y2-y1)*(x-x1)/(x2-x1)+y1
;****in (x1,y1),(x2,y2)******************x++
sjxx PROC NEAR
pusha
PUSH x1
PUSH x2
PUSH x3
PUSH y1
PUSH y2
PUSH y3
CALL xymaxmin
MOV AX,xmin
MOV sjx_xmin,AX
MOV AX,ymin
MOV sjx_ymin,AX
MOV AX,xmax
MOV sjx_xmax,AX
MOV AX,ymax
MOV sjx_ymax,AX
MOV AX,xminy
MOV sjx_xminy,AX
MOV AX,y2
MOV BX,y1
CALL subab
MOV sjx_y2y1,AX
MOV AX,x2
MOV BX,x1
CALL subab
MOV DL,s
MOV s2,DL
MOV s,0
MOV SI,0
CMP SI,AX
JE sjx_zhixian
JMP sjx_lopx
sjx_zhixian:
MOV x1,AX
MOV AX,x3
MOV x2,AX
MOV AX,y3
MOV y2,AX
JMP sjx_zhixianxs
sjx_lopx: MOV sjx_x2x1,AX
MOV AX,x3
MOV x2,AX
MOV AX,y3
MOV y2,AX
MOV AX,sjx_xmin
MOV x1,AX
sjx_line0x: SUB AX,sjx_xmin
MOV DX,0 ;***y=(y2-y1)*(x-x1)/(x2-x1)+y1
MOV CX,sjx_y2y1
MUL CX
MOV CX,sjx_x2x1
DIV CX
MOV DX,0
CMP DL,s2
JE sjx_zhengx
MOV CX,AX
MOV AX,sjx_xminy
SUB AX,CX
JMP sjx_kk2
sjx_zhengx:
ADD AX,sjx_xminy
sjx_kk2:
MOV y1,AX
CALL linex
CALL liney
INC x1
MOV AX,x1
CMP AX,sjx_xmax
JBE sjx_line0x
JMP sjx_quit12
sjx_zhixianxs: MOV AX,sjx_xmin
MOV x1,AX
MOV AX,sjx_ymin
MOV y1,AX
sjx_lopxx:
CALL linex
CALL liney
INC y1
MOV AX,sjx_ymax
CMP AX,y1
JAE sjx_lopxx
sjx_quit12: MOV s,0
POP y3
POP y2
POP y1
POP x3
POP x2
POP x1
POPa
RET
sjxx ENDP
;**************************liney x=(x2-x1)(y-y1)/(y2-y1)+x1
;*****************y++
sjxy PROC NEAR
PUSH x1
PUSH x2
PUSH x3
PUSH y1
PUSH y2
PUSH y3
pusha
CALL xymaxmin
MOV AX,xmin
MOV sjx_xmin,AX
MOV AX,ymin
MOV sjx_ymin,AX
MOV AX,xmax
MOV sjx_xmax,AX
MOV AX,ymax
MOV sjx_ymax,AX
MOV AX,yminx
MOV sjx_yminx,AX
MOV AX,y2
MOV BX,y1
CALL subab
MOV sjx_y2y1,AX
MOV SI,0
CMP SI,AX
JE sjxy_heng
JMP sjxy_lop1
sjxy_heng:
MOV DL,s
MOV s2,DL
MOV s,0
MOV AX,x3
MOV x2,AX
MOV AX,y3
MOV y2,AX
JMP sjxy_hengxian
sjxy_lop1: MOV AX,x2
MOV BX,x1 ;x=(x2-x1)(y-y1)/(y2-y1)+x1
CALL subab
MOV DL,s
MOV s2,DL
MOV s,0
MOV sjx_x2x1,AX
MOV AX,x3
MOV x2,AX
MOV AX,y3
MOV y2,AX
MOV AX,sjx_ymin
MOV y1,AX
sjxy_line0y: SUB AX,sjx_ymin
MOV DX,0
MOV CX,sjx_x2x1
MUL CX
MOV CX,sjx_y2y1
DIV CX
MOV DX,0
CMP DL,s2
JE sjxy_zhengy
MOV CX,AX
MOV AX,sjx_yminx
SUB AX,CX
JMP sjxy_kky3
sjxy_zhengy:
ADD AX,sjx_yminx
sjxy_kky3:
MOV x1,AX
CALL linex
CALL liney
INC y1
MOV AX,y1
CMP AX,sjx_ymax
JBE sjxy_line0y
JMP sjxy_quity
sjxy_hengxian: MOV AX,sjx_ymin
MOV y1,AX
MOV AX,sjx_xmin
MOV x1,AX
sjxy_lopy: CALL liney
CALL linex
INC x1
MOV AX,sjx_xmax
CMP AX,x1
JAE sjxy_lopy
sjxy_quity: MOV s,0
POPa
POP y3
POP y2
POP y1
POP x3
POP x2
POP x1
RET
sjxy ENDP
;
xymaxmin PROC NEAR
PUSHa
PUSH x1
PUSH x2
PUSH y1
PUSH y2
MOV AX,x1
CMP AX,x2
JAE x1dyx2
MOV xmin,AX ;x1<x2
MOV AX,y1
MOV xminy,AX
MOV AX,x2
MOV xmax,AX
JMP ymaxmin
x1dyx2: MOV xmax,AX
MOV AX,x2
MOV xmin,AX
MOV AX,y2
MOV xminy,AX ;xminx 所对应的y
ymaxmin: MOV AX,y1
CMP AX,y2
JAE y1dyy2
MOV ymin,AX
MOV AX,x1
MOV yminx,AX ;所对应的x
MOV AX,y2
MOV ymax,AX
JMP xymax_quit
y1dyy2: MOV ymax,AX
MOV AX,y2
MOV ymin,AX
MOV AX,x2
MOV yminx,AX
xymax_quit:
POP y2
POP y1
POP x2
POP x1
POPa
RET
xymaxmin ENDP
DIan PROC NEAR ;画一点x,y
PUSHa
MOV AH,s
MOV s3,AH
MOV AH,SIgle
AND AH,80h
CMP AH,0
JE puanduan
paint:
MOV AL,color
MOV BH,page1
MOV DX,y
MOV CX,x ;列号
MOV AH,0ch
INT 10h
JMP DIanquit
puanduan:
CALL readerdian
MOV DIancolor,AL
MOV AH,SIgle
AND AH,7fh
CMP AH,0
JE NEw0
CMP AH,1
JE NEw1
CMP AH,2
JE NEw2
CMP AH,3
JE NEw3
CMP AH,4
JE NEw4
CMP AH,5
JE NEw5
CMP AH,6
JE NEw6
JMP DIanquit
NEw0: CMP DIancolor,0
JE topaint
JMP DIanquit
NEw1: CMP DIancolor,0
JE topaint
MOV AH,color_hour
CMP DIancolor,AH
JE topaint
JMP DIanquit
topaint: JMP paint
NEw2: MOV AH,color_min
CMP DIancolor, AH
JE topaint
JMP DIanquit
NEw3: JMP NEw0
NEw4: JMP NEw0
NEw5: MOV AH,color_hour
CMP DIancolor,AH
JE topaint
JMP DIanquit
NEw6: CMP DIancolor,0
JE topaint
JMP DIanquit
MOV AX,x
MOV BX,x0
CALL SUBab
CMP AX,5
JA topaint
MOV AX,y
MOV BX,y0
CALL SUBab
CMP AX,5
JA topaint
DIanquit: MOV AH,s3
MOV s,AH
POPa
RET
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