#!/usr/local/bin/yabasic
rem GPL=1:gosub Presentation
goto Main
label Initialize
False=0
True=1
pixstep=6
dim binario(8)
read numsprites
data 14
dim sprites(numsprites,8)
gosub leesprites
dim head(7),body(7),legs(7)
gosub animadata
return:rem Initialize

label leesprites
for n=1 to numsprites
for i=1 to 8
read sprites(n,i)
next i
next n
rem cabezas 3
data 60,66,90,129,165,90,66,36
data 14,17,33,89,193,34,36,24
data 112,136,132,154,131,68,36,24
rem troncos 6
data 24,60,90,90,153,153,153,153
data 24,60,90,90,153,90,60,24
data 24,27,13,13,29,36,70,4
data 24,30,9,77,46,20,6,4
data 24,216,176,176,184,36,98,32
data 24,120,144,178,116,40,96,32
rem piernas 5
data 24,36,36,66,66,66,195,0
data 12,8,27,42,68,64,192,0
data 4,12,20,34,34,17,35,0
data 48,16,216,84,34,2,3,0
data 32,48,40,68,68,136,196,0
return:rem leesprites

label animadata
for i=1 to 7
read head(i),body(i),legs(i)
next i
data 2,6,11
data 2,7,12
data 2,5,10
data 1,4,10
data 3,5,10
data 3,9,14
data 3,8,13
return

label dec2bin
decnumber=decimalnumber
for cont=1 to 8
binario(cont)=mod(decnumber,2)
decnumber=int(decnumber/2)
next cont
return

label ByteOnScreen
newx=posx
newy=posy
gosub dec2bin
for i=1 to 8
if binario(9-i)=1 then 
     dot newx,newy
     newx=newx+1
else 
     newx=newx+1
fi
next i
return:rem ByteOnScreen


label DisplayXSprite
posx=posXsprite
posy=posYsprite
for j=1 to 8
decimalnumber=sprites(sprite2draw,j)
gosub ByteOnScreen
posy=posYsprite+j
next j
return:rem DisplayXSprite


label Xpersonaje
posXsprite=8*Colsprite
posYsprite=8*Filsprite
pose=vel+4
sprite2draw=head(pose)
gosub DisplayXSprite

posYsprite=8*Filsprite+8
sprite2draw=body(pose)
gosub DisplayXSprite

posYsprite=8*Filsprite+16
sprite2draw=legs(pose)
gosub DisplayXSprite
return: rem Xpersonaje


label regulavel
if tecla$="left"  then 
   if vel<-1 then Colsprite=Colsprite-1 fi
        if vel=-3 then vel=-2
            else    vel=vel-1
        fi
fi
if tecla$="right" then
   if vel>1 then  Colsprite=Colsprite+1 fi
        if vel=3 then vel=2
            else   vel=vel+1
        fi
fi
if tecla$="down" then
Filsprite=Filsprite+1
fi
if tecla$="up" then
Filsprite=Filsprite-1
fi

return:rem regulavel

label Main
gosub Initialize :rem load all sprites
clear screen
open window 256,172
vel=0
Filsprite=3
Colsprite=20
label animacion
clear window
gosub Xpersonaje
print @(5,16) "Fila=",Filsprite," , ","Columna=",Colsprite
k$=inkey$
if k$="q" then end fi
tecla$=k$
gosub regulavel
goto animacion
end