接上篇文章《Turbo C使用的汇编函数 -- VGA 12H模式图形函数(一)》,继续粘贴代码文件:
;grimage.asm
includegraph.inc
DATASEG
bufsegdw0
bufoffdw0
linebytesdw0
tmpbufdb80dup(0)
CODESEG
PUBLIC_ImageSize
PUBLIC_GetImage
PUBLIC_PutImage
;
;longImageSize(intx1,inty1,intx2,inty2)
;
PROC_ImageSize
ARGx1:word,y1:word,x2:word,y2:word
USESsi,di
movax,[x1]
movbx,[y1]
movsi,[x2]
movdi,[y2]
movcx,MAXX
movdx,MAXY
callTestPoint
jnc@@1
xorax,ax
xordx,dx
jmpshort@@2
@@1:
xchgax,si
subax,si
subdi,bx
incdi
andax,0fff8h
shrax,1
addax,4
muldi
addax,4
adcdx,0
@@2:
ret
ENDP
;
PROCPackLine
USESbx,ds,es
pushes
popds
moves,[bufseg]
movdi,[bufoff]
movsi,offsettmpbuf
@@1:
xorbh,bh
@@2:
orbl,bl
jz@@3
lodsb
decbl
incbh
cmpal,[si]
je@@2
@@3:
cmpbh,1
ja@@4
testal,80h
jz@@5
@@4:
xchgal,bh
oral,80h
stosb
moval,bh
@@5:
stosb
orbl,bl
jnz@@1
mov[bufoff],di
ret
ENDP
;
PROCUnPackLine
USESbx,cx,di,es
pushds
popes
movdi,offsettmpbuf
pushdi
pushds
movsi,[bufoff]
movbx,[linebytes]
movax,[bufseg]
movds,ax
@@1:
lodsb
movcx,1
testal,80h
jz@@2
andax,7fh
movcx,ax
lodsb
@@2:
subbx,cx
@@3:
stosb
loop@@3
cmpbx,0
jne@@1
popds
mov[bufoff],si
popsi
ret
ENDP
;
;unsignedGetImage(intx1,inty1,intx2,inty2,voidfar*buf)
;
PROC_GetImage
ARGx1:word,y1:word,x2:word,y2:word,buf:farptr
USESsi,di
movax,[x1]
movbx,[y1]
movsi,[x2]
movdi,[y2]
movcx,MAXX
movdx,MAXY
callTestPoint
jnc@@5
xorax,ax
jmp@@4
@@5:
pushds
movcx,ax
andcl,7
movdl,cl
movcx,si
notcl
addcl,dl
andcl,7
movdh,0ffh
shldh,cl
mov[x1],dx
subsi,ax
subdi,bx
movcx,di
lesdi,[dwordbuf]
mov[wordes:di],si
mov[wordes:di+2],cx
pushdi
adddi,4
mov[bufseg],es
mov[bufoff],di
shrsi,3
callGetDspMemOff
xchgsi,bx
incbx
inccx
pushds
popes
movdi,offsettmpbuf
pushDSPMEMSEG
popds
movdx,3ceh
cld
@@1:
pushcx
pushsi
movcx,[x1]
movax,304h
@@2:
outdx,ax
pushax
pushsi
pushdi
pushbx
lodsb
@@3:
movah,al
lodsb
pushax
shlax,cl
moval,ah
stosb
popax
decbx
jnz@@3
and[bytees:di-1],ch
popbx
callPackLine
popdi
popsi
popax
decah
jns@@2
popsi
popcx
addsi,DMWIDTH
loop@@1
popdi
popds
movax,[bufoff]
subax,di
@@4:
ret
ENDP
;
;voidPutImage(intx,inty,voidfar*buf,intmod)
;
PROC_PutImage
ARGx:word,y:word,buf:farptr,mod:word
USESsi,di
lesbx,[dwordbuf]
movdi,[wordes:bx+2]
movsi,[wordes:bx]
mov[bufseg],es
addbx,4
mov[bufoff],bx
movax,si
shrax,3
incax
mov[linebytes],ax
movax,[x]
movbx,[y]
addsi,ax
adddi,bx
movcx,MAXX
movdx,MAXY
callTestPoint
jc@@7
push[wordDrMode]
movcx,si
notcl
andcl,7
movch,0ffh
shlch,cl
movcl,al
andcl,7
mov[x],cx
pushax
shrsi,3
shrax,3
subsi,ax
pushsi
push[wordmod]
call_SetDrMode
xorah,ah
callSetWrMode
popax
cld
movcx,di
subcx,bx
inccx
popdi
popax
callGetDspMem
@@2:
pushbx
pushcx
movax,802h
movcx,[x]
@@3:
movdx,3c4h
outdx,ax
movdx,3cfh
pushax
pushbx
pushdi
callUnPackLine
movax,0ffh
shral,cl
decdi
js@@6
outdx,al
lodsb
rorax,cl
xchgal,[bytees:bx]
incbx
moval,0ffh
outdx,al
@@4:
decdi
js@@5
movch,ah
lodsb
xorah,ah
rorax,cl
oral,ch
xchgal,[bytees:bx]
incbx
jmpshort@@4
@@5:
moval,0ffh
@@6:
andal,[bytex+1]
outdx,al
lodsb
shral,cl
oral,ah
xchgal,[bytees:bx]
popdi
popbx
popax
shrah,1
jnz@@3
popcx
popbx
addbx,DMWIDTH
loop@@2
pop[wordDrMode]
callRestReg
movdx,3c4h
movax,0f02h
outdx,ax
@@7:
ret
ENDP
END
;GRFILL.ASM
includegraph.inc
BLOCKEDequ1
UNBLOCKEDequ2
DATASEG
BorderValuedw0
FillColordw0
FillBufPtrdw0
BufStartOfsdw0
BufEndOfsdw0
Ddw0
PrevDdw0
PrevVdw0
TmpXdw0
TmpYdw0
TmpFlagdb0
CODESEG
PUBLIC_Fill
;
;ax=x,bx=yreturnax=xr,bx=y
;
PROCScanRight
USESes,di,si,bx
movsi,ax
callGetDspMem
movdi,bx
movcx,si
shrsi,3
andcl,7
movch,0ffh
shrch,cl
movdx,3ceh
movah,[byteBorderValue]
moval,2
outdx,ax
movax,805h
outdx,ax
movax,0f07h
outdx,ax
moval,[es:di]
incdi
notal
andal,ch
jnz@@1
movcx,[MaxX]
shrcx,3
subcx,si
moval,0ffh
cld
repescasb
moval,[es:di-1]
notal
cmpcx,0
jne@@1
movcx,[MaxX]
andcl,7
movch,40h
shrch,cl
oral,ch
@@1:
subdi,bx
adddi,si
shldi,3
movcx,8
@@2:
shlal,1
jc@@3
loop@@2
@@3:
subdi,cx
movax,2
outdx,ax
movax,5
outdx,ax
movax,di
ret
ENDP
;
;returnax=x,bx=y
;
PROCScanRegion
USESdi
movdi,[BufStartOfs];i=bufstart
@@1:
cmpdi,si;while(i<bufend)
jae@@5;{
cmp[bytees:di+4],BLOCKED;if(buf[i].flag==BLOCKED
je@@2
movbx,[es:di+2];||buf[i].y!=buf[i+1].y)
cmpbx,[es:di+7]
je@@3
@@2:
adddi,5;i++
jmpshort@@1;}
@@3:;else{
movax,[es:di];if(buf[i].x+1<buf[i+1].x)
incax;{
cmpax,[es:di+5]
jge@@4
callScanRight;xr=ScanRight(buf[i].x+1,buf[i].y)
cmpax,[es:di+5];if(xr<buf[i+1].x){
jl@@5;ax=xr;bx=buf[i].y
@@4:;}
adddi,10;i+=2
jmpshort@@1;}
@@5:;}
mov[BufStartOfs],di;bufstart=i
ret
ENDP
;
;
PROCFillRegion
USESdi
push[wordColor]
movax,[FillColor]
mov[Color],ax
movdi,[FillBufPtr]
callSetWrMode0
@@1:
cmpdi,[BufEndOfs]
jae@@5
cmp[bytees:di+4],BLOCKED
je@@2
movbx,[es:di+2]
cmpbx,[es:di+7]
je@@3
@@2:
adddi,5
jmpshort@@1
@@3:
movsi,[es:di+5]
decsi
cmpsi,[es:di]
jle@@4
pushes
pushdi
movax,[es:di]
incax
movdi,bx
callBar
popdi
popes
@@4:
adddi,10
jmpshort@@1
@@5:
callRestReg0
pop[wordColor]
ret
ENDP
;
;
PROCAppendBPList
mov[bytees:si+4],bl
movebx,[dwordTmpX]
mov[dwordes:si],ebx
addsi,5
ret
ENDP
;
;
PROCFindBP
USESbx
movcx,[TmpX]
movdx,[TmpY]
cmpax,1;1,2,3,y--
jl@@5
cmpax,3
jg@@1
decdx
jmpshort@@2
@@1:
cmpax,5;5,6,7,y++
jl@@3
incdx
@@2:
cmpax,3;3,4,5,x--
jl@@4
cmpax,5
jg@@4
@@3:
deccx
jmpshort@@6
@@4:
cmpax,7;0,1,7,x++
je@@5
cmpax,1
jg@@6
@@5:
inccx
@@6:
cmpcx,[MinX]
jl@@18
cmpcx,[MaxX]
jg@@18
cmpdx,[MinY]
jl@@18
cmpdx,[MaxY]
jg@@18
pushes
pushax
pushcx
pushdx
movax,cx
movbx,dx
callGetPixel
movbx,ax
popdx
popcx
popax
popes
cmpbx,[BorderValue]
je@@16
@@18:
cmpax,[PrevD]
jne@@8
cmp[wordPrevD],4
je@@15
cmp[wordPrevD],0
jne@@7
mov[bytees:si-1],BLOCKED
jmp@@15
@@7:
movbl,UNBLOCKED
callAppendBPList
jmp@@15
@@8:
movbl,BLOCKED
cmp[wordPrevD],4
jne@@10
cmp[wordPrevV],5
jne@@13
mov[bytees:si-1],BLOCKED
jmpshort@@13
@@10:
cmp[wordPrevD],0
jne@@11
mov[bytees:si-1],BLOCKED
cmpax,7
je@@13
movbl,UNBLOCKED
jmpshort@@13
@@11:
movbl,UNBLOCKED
callAppendBPList
cmpax,1
jl@@14
movbl,UNBLOCKED
cmpax,3
jg@@12
cmp[wordPrevD],5
jl@@14
cmp[wordPrevD],7
jg@@14
jmpshort@@13
@@12:
cmpax,5
jl@@14
cmp[wordPrevD],1
jl@@14
cmp[wordPrevD],3
jg@@14
@@13:
callAppendBPList
@@14:
push[wordPrevD]
pop[wordPrevV]
@@15:
mov[PrevD],ax
mov[TmpX],cx
mov[TmpY],dx
movax,1
jmpshort@@17
@@16:
xorax,ax
@@17:
ret
ENDP
;
;
PROCFindNextPixel
movbx,-2
@@1:
incbx
cmpbx,5
jg@@2
movax,bx
addax,[D]
andax,7
callFindBP
cmpax,0
je@@1
add[wordD],bx
and[wordD],6
@@2:
ret
ENDP
;
;TraceBorder(intstartx,intstarty)
;
PROCTraceBorder
ARGstartx:word,starty:word
mov[wordD],6
mov[wordPrevD],8
mov[wordPrevV],2
push[wordstartx]
pop[wordTmpX]
push[wordstarty]
pop[wordTmpY]
@@1:
callFindNextPixel
cmpax,0
je@@2
movbx,[startx]
cmpbx,[TmpX]
jne@@1
movbx,[starty]
cmpbx,[TmpY]
jne@@1
@@2:
movcx,[startx]
movdx,[starty]
cmpax,0
jne@@3
mov[es:si],cx
mov[es:si+2],dx
mov[bytees:si+4],UNBLOCKED
addsi,5
jmpshort@@4
@@3:
cmp[wordPrevD],3
jg@@5
cmp[wordPrevD],1
jl@@5
@@4:
mov[es:si],cx
mov[es:si+2],dx
mov[bytees:si+4],UNBLOCKED
addsi,5
@@5:
ret
ENDP
;
PROC_CompBP
movax,[es:di+2]
subax,[TmpY]
jne@@1
movax,[es:di]
subax,[TmpX]
jne@@1
moval,[es:di+4]
subal,[TmpFlag]
cbw
@@1:
ret
ENDP
;
PROCBorSort
movax,cx
subax,bx
cmpax,10
jl@@8
xordx,dx
movdi,5
divdi
shrax,1
muldi
addax,bx
movdi,ax
moveax,[dwordes:di]
mov[dwordTmpX],eax
moval,[es:di+4]
mov[TmpFlag],al
movsi,bx
movdx,cx
subsi,5
pushdi
@@0:
movdi,si
@@1:
adddi,5
call_CompBP
jl@@1
@@2:
movsi,di
movdi,dx
@@3:
subdi,5
call_CompBP
jg@@3
@@4:
movdx,di
cmpsi,di
jae@@7
@@6:
moveax,[dwordes:si]
xchgeax,[dwordes:di]
mov[dwordes:si],eax
moval,[es:si+4]
xchgal,[es:di+4]
mov[es:si+4],al
jmpshort@@0
@@7:
popdi
cmpsi,di
jae@@5
pushcx
pushsi
movcx,si
callBorSort
popbx
popcx
callBorSort
jmpshort@@8
@@5:
pushbx
pushsi
movbx,si
callBorSort
popcx
popbx
callBorSort
@@8:
ret
ENDP
;
;voidFill(intx,inty,intfillcolor)
;
PROC_Fill
ARGx:word,y:word,fillcolor:word
USESsi
movax,[x]
movbx,[y]
cmpax,[WidthX]
ja@@2
cmpbx,[WidthY]
ja@@2
addax,[MinX]
addbx,[MinY]
mov[x],ax
mov[y],bx
callGetPixel
mov[BorderValue],ax
movax,[fillcolor]
mov[FillColor],ax
push0
push15000
call_farmalloc
addsp,4
cmpdx,0
je@@2
moves,dx
mov[FillBufPtr],ax
mov[BufStartOfs],ax
movsi,ax
movax,[x]
movbx,[y]
callScanRight
@@1:
pushbx
pushax
callTraceBorder
addsp,4
pushsi
movcx,si
movbx,[BufStartOfs]
callBorSort
popsi
callScanRegion
cmpsi,[BufStartOfs]
ja@@1
mov[BufEndOfs],si
callFillRegion
pushes
push[wordFillBufPtr]
call_farfree
addsp,4
@@2:
ret
ENDP
;
END
;grroll.asm
includegraph.inc
CODESEG
PUBLIC_Roll
;
;voidRoll(intn,intx1,inty1,intx2,inty2)
;
PROC_Roll
ARGn:word,x1:word,y1:word,x2:word,y2:word
USESsi,di,ds
cmp[wordn],0
je@@4
movax,[x1]
movbx,[y1]
movsi,[x2]
movdi,[y2]
movcx,MAXX
movdx,MAXY
callTestPoint
jc@@4
movdx,0ffffh
movcx,ax
andcl,7
shrdh,cl
movcx,si
andcl,7
notcl
shldl,cl
pushdx
pushax
shrax,3
shrsi,3
subsi,ax
mov[x2],si
movcx,[n]
movax,DMWIDTH
mov[y2],ax
imulcx
movsi,ax
movcx,di
subcx,bx
inccx
cmpsi,0
jg@@1
xchgbx,di
neg[wordn]
neg[wordy2]
@@1:
popax
callGetDspMem
movdi,bx
addsi,di
popbx
subcx,[n]
jle@@4
movah,1
callSetWrMode
pushes
popds
cld
@@2:
pushcx
pushsi
pushdi
movcx,[x2]
moval,bh
jcxz@@3
outdx,al
movsb
moval,0ffh
deccx
jz@@3
outdx,ax
repzmovsb
moval,0ffh
@@3:
andal,bl
outdx,ax
movsb
popdi
popsi
popcx
adddi,[y2]
addsi,[y2]
loop@@2
callRestReg
@@4:
ret
ENDP
end
;GRARC.ASM
P386N
includegraph.inc
DATASEG
Sindw0000h,00afh,015dh,020bh,02bah,0368h,0415h,04c3h
dw0570h,061ch,06c8h,0774h,081fh,08cah,0973h,0a1ch
dw0ac4h,0b6ch,0c12h,0cb8h,0d5ch,0e00h,0ea2h,0f43h
dw0fe3h,1082h,1120h,11bch,1257h,12f0h,1388h,141eh
dw14b3h,1546h,15d8h,1668h,16f6h,1782h,180dh,1895h
dw191ch,19a1h,1a23h,1aa4h,1b23h,1b9fh,1c19h,1c92h
dw1d07h,1d7bh,1dech,1e5bh,1ec8h,1f32h,1f9ah,2000h
dw2062h,20c3h,2120h,217ch,21d4h,222ah,227dh,22ceh
dw231ch,2367h,23afh,23f5h,2438h,2478h,24b5h,24efh
dw2527h,255bh,258dh,25bbh,25e7h,2610h,2635h,2658h
dw2678h,2695h,26afh,26c5h,26d9h,26eah,26f8h,2702h
dw270ah,270eh,2710h
StartQdw0
EndQdw0
StartXdw0
StartYdw0
EndXdw0
EndYdw0
;
EXTRNCirX0:word
EXTRNCirY0:word
;
CODESEG
PUBLIC_Arc
PUBLIC_Slice
PUBLIC_Pie
EXTRNEllipse:proc
EXTRNPlotCirPix:proc
;
;
PROCSumArcXY
ARGx:word,y:word
movax,[CirX0]
movbx,[CirY0]
andcx,3
jnz@@1
addax,[x]
subbx,[y]
jmpshort@@4
@@1:
cmpcx,1
jne@@2
subax,[x]
subbx,[y]
jmpshort@@4
@@2:
addbx,[y]
cmpcx,2
jne@@3
subax,[x]
jmpshort@@4
@@3:
addax,[x]
@@4:
ret
ENDP
;
;
PROCArcjs
USESdi
@@1:
cmpdi,bp
je@@5
cmpax,[es:di]
jne@@2
cmpbx,[es:di+2]
je@@5
cmpbx,[es:di+6]
je@@5
@@2:
cmpbx,[es:di+2]
jne@@3
cmpax,[es:di+4]
je@@5
@@3:
adddi,cx
jmpshort@@1
@@5:
movax,di
ret
ENDP
;
;ax=jd,dx=r,returnax=sq,di=x,dx=y
;
PROCArcSum
movsxecx,dx
xordx,dx
movsi,90
divsi
pushax
movdi,dx
subsi,dx
shldi,1
shlsi,1
movsxeax,[wordSin+di]
imulecx
addeax,5000
movebx,10000
divebx
movdi,ax
movsxeax,[wordSin+si]
imulecx
addeax,5000
divebx
movdx,ax
popax
testax,1
jnz@@1
xchgdx,di
@@1:
ret
ENDP
;
;voidArc(intx,inty,intstart,intend,intradius)
;
PROC_Arc
ARGx:word,y:word,start:word,end:word,radius:word
USESsi,di
movax,[end]
orax,ax
js@@2
movbx,[start]
orbx,bx
js@@2
cmpax,bx
jge@@3
xchgax,bx
@@3:
pushbx
movdx,[radius]
callArcSum
mov[EndQ],ax
mov[EndX],di
mov[EndY],dx
popax
movdx,[radius]
callArcSum
mov[StartQ],ax
mov[StartX],di
mov[StartY],dx
push0
push12000
call_farmalloc
addsp,4
cmpdx,0
je@@2
moves,dx
pushdx
pushax
push[wordx]
push[wordy]
pop[wordCirY0]
pop[wordCirX0]
movsi,[radius]
movdi,si
pushbp
movbp,ax
pushax
callEllipse
movah,2
callSetWrMode
popdi
movcx,4
movsi,[StartQ]
testsi,1
jnz@@4
@@1:
negcx
xchgdi,bp
@@4:
pushsi
pushdi
cmpsi,[StartQ]
jne@@5
movbx,[StartY]
movax,[StartX]
callArcjs
movdi,ax
moveax,[dwordes:di]
mov[dwordStartX],eax
@@5:
cmpsi,[EndQ]
jne@@6
movbx,[EndY]
movax,[EndX]
callArcjs
movbp,ax
moveax,[dwordes:bp]
mov[dwordEndX],eax
or[wordEndQ],8000h
@@6:
andsi,3
callPlotCirPix
popdi
popsi
incsi
test[wordEndQ],8000h
jz@@1
popbp
call_farfree
addsp,4
callRestReg
@@2:
ret
ENDP
;
;voidSlice(intx,inty,intstart,intend,intradius)
;
PROC_Slice
ARGx:word,y:word,start:word,end:word,radius:word
push[wordradius]
push[wordend]
push[wordstart]
push[wordy]
push[wordx]
call_Arc
addsp,10
push[wordStartY]
push[wordStartX]
movcx,[StartQ]
callSumArcXY
addsp,4
pushbx
pushax
call_PutPixel
push[wordCirY0]
push[wordCirX0]
call_Line
addsp,8
movax,[CirX0]
movbx,[CirY0]
pushbx
pushax
call_PutPixel
push[wordEndY]
push[wordEndX]
movcx,[EndQ]
callSumArcXY
addsp,4
pushbx
pushax
call_Line
ret
ENDP
;
;voidPie(intx,inty,intstart,intend,intradius)
;
PROC_Pie
ARGx:word,y:word,start:word,end:word,radius:word
push[wordradius]
push[wordend]
push[wordstart]
push[wordy]
push[wordx]
call_Arc
addsp,10
push[wordStartY]
push[wordStartX]
movcx,[StartQ]
callSumArcXY
addsp,4
pushbx
pushax
call_PutPixel
push[wordEndY]
push[wordEndX]
movcx,[EndQ]
callSumArcXY
addsp,4
pushbx
pushax
call_Line
ret
ENDP
END
;GRELLIP.ASM
P386N
includegraph.inc
DATASEG
PUBLICCirX0,CirY0
Aspdd0
Bspdd0
TowAdd0
TowBdd0
CirX0dw0
CirY0dw0
;
CODESEG
PUBLIC_Circle
PUBLIC_Ellipse
PUBLICEllipse
PUBLICPlotCirPix
;
;si=a(xr),di=b(yr),bp=BufPtr
;
PROCEllipse
movsxeax,di
imuleax
mov[Bsp],eax;Bsp=b*b
shleax,1
mov[TowB],eax;TowB=b*b*2
movsxeax,si
imuleax
mov[Asp],eax;Asp=a*a
pusheax
shleax,1
mov[TowA],eax;TowA=a*a*2
movsxedx,di
imuledx
movebx,eax;Cirdy=TowA*b
popeax
movecx,eax
sarecx,2
addecx,[Bsp]
movsxedx,di
imuledx
subecx,eax;Cird=Bsp-Asp*b+Asp/4
xorsi,si;x=0
xoredx,edx;Cirdx=0
@@1:
cmpedx,ebx;while(dx<dy)
jge@@5
mov[es:bp],si
mov[es:bp+2],di
addbp,4
cmpecx,0;if(d>0)
jle@@4
subebx,[TowA];dy-=TowA
subecx,ebx;d-=dy
decdi;y--
@@4:
incsi;x++
addedx,[TowB];dx+=TowB
addecx,[Bsp];d+=Bsp+dx
addecx,edx
jmpshort@@1
@@5:
moveax,[Asp];d+=(3*(Asp-Bsp)/2-(dx+dy))/2
subeax,[Bsp]
pushebx
movebx,eax
sareax,1
addeax,ebx
popebx
subeax,edx
subeax,ebx
sareax,1
addecx,eax
@@6:
ordi,di;if(y>=0)
js@@9
mov[es:bp],si
mov[es:bp+2],di
addbp,4
cmpecx,0;if(d<0)
jge@@8color: #000
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