67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
from __future__ import print_function, division
|
|
import numpy as np
|
|
from crc8 import crc8
|
|
|
|
def saveAsPrg(fn,address,data):
|
|
fo=open(fn,"wb")
|
|
header=np.array((address&255,address/256),np.uint8).tostring()
|
|
fo.write(header)
|
|
fo.write(data)
|
|
fo.close()
|
|
|
|
def debmp(img):
|
|
print("img.shape=",img.shape)
|
|
tiles=np.reshape(np.transpose(np.reshape(img,(25,8,40,8)),(0,2,1,3)),(1000,64))
|
|
bmp=np.zeros((1000,8),np.uint8)
|
|
vm=np.zeros((1000,),np.uint8)
|
|
for i in range(1000):
|
|
ti=tiles[i]
|
|
palette=(list(set(list(ti)))+[0,0])[:2]
|
|
palette.sort()
|
|
if palette[1]&1==0:
|
|
palette.reverse()
|
|
bits=np.equal(ti,palette[1])*1
|
|
bmp[i]=np.sum(np.reshape(bits,(8,8))*[128,64,32,16,8,4,2,1],axis=1)
|
|
vm[i]=palette[1]*16+palette[0]
|
|
return bmp,vm
|
|
|
|
j,i=np.indices((200,320))
|
|
ci=( ((j-183.0)**2+(i-30.5)**2)**.5/5.0+0.5).astype(np.int)%64
|
|
di=((np.arange(64)+62^1)+3)//4%16
|
|
im=di[ci]
|
|
|
|
sx=8
|
|
sy=80
|
|
w=304
|
|
|
|
|
|
bmp_c,vm_c=debmp(im)
|
|
|
|
im[sy :,sx:][:8,:w]=(lambda i,j: (((np.pi*(j+4))**(i/12.0+1.3))%2).astype(np.int))(*np.indices((8,w)))+11
|
|
im[sy+8:,sx:][:8,:w]=(lambda i,j: (((np.pi*(j+4))**(i/11.0+1.4))%2).astype(np.int))(*np.indices((8,w)))+11
|
|
|
|
|
|
|
|
|
|
bmp,vm=debmp(im)
|
|
mem=np.zeros((1024*9),np.uint8)
|
|
mem[:8000]=bmp.flat
|
|
mem[8192:9192]=vm.flat
|
|
|
|
mem[-1]=crc8(mem[:-1])
|
|
print("crc8(mem[:-1])=",crc8(mem[:-1]))
|
|
print("crc8(mem) =",crc8(mem))
|
|
|
|
saveAsPrg("bmp.prg",0x4000,mem.tostring())
|
|
|
|
saveAsPrg("bmp0.prg",0x4000,mem[:0x1000].tostring())
|
|
saveAsPrg("bmp1.prg",0x5000,mem[0x1000:].tostring())
|
|
|
|
mem[:8000]=bmp_c.flat
|
|
mem[8192:9192]=vm_c.flat
|
|
mem[-1]=crc8(mem[:-1])
|
|
|
|
c0=sx//8+40*(sy//8)
|
|
a0=c0*8
|
|
saveAsPrg("bmp_c.prg",0x4000+a0,mem[a0:].tostring())
|