def c2p():
m0 = Word.Mask('00ff')
m1 = Word.Mask('0f0f')
print "=[ c2p 1x1 ham6 (blitter + mangled) ]=".center(48, '-')
def MakeWord(c, color):
# mangle: [ 0 0 0 0 r0 r1 r2 r3 g0 g1 g2 g3 b0 b1 b2 b3] =>
# [r0 g0 b0 b0 r1 g1 b1 b1 r2 g2 b2 b2 r3 g3 b3 b3]
return Word([
Bit.Var(c[0], 0, color),
Bit.Var(c[1], 0, color),
Bit.Var(c[2], 0, color),
Bit.Var(c[3], 0, color),
Bit.Var(c[0], 1, color),
Bit.Var(c[1], 1, color),
Bit.Var(c[2], 1, color),
Bit.Var(c[3], 1, color),
Bit.Var(c[0], 2, color),
Bit.Var(c[1], 2, color),
Bit.Var(c[2], 2, color),
Bit.Var(c[3], 2, color),
Bit.Var(c[0], 3, color),
Bit.Var(c[1], 3, color),
Bit.Var(c[2], 3, color),
Bit.Var(c[3], 3, color)
])
A = Array.Make(MakeWord)
N = len(A)
Array.Print("Data:", *A)
B = Array.Zero(N, 16)
Blit(lambda a, b: ((a >> 8) & m0) | (b & ~m0), N / 4, 2, Channel(A, 2, 2),
Channel(A, 0, 2), Channel(B, 0, 2))
Blit(lambda a, b: ((a << 8) & ~m0) | (b & m0), N / 4, 2, Channel(A, 0, 2),
Channel(A, 2, 2), Channel(B, 2, 2))
Array.Print("Swap 8x4:", *B)
C = [Array.Zero(N / 4, 16) for i in range(4)]
Blit(lambda a, b: ((a >> 4) & m1) | (b & ~m1), N / 4, 1, Channel(B, 1, 3),
Channel(B, 0, 3), Channel(C[0]))
Blit(lambda a, b: ((a >> 4) & m1) | (b & ~m1), N / 4, 1, Channel(B, 3, 3),
Channel(B, 2, 3), Channel(C[2]))
Blit(lambda a, b: ((a << 4) & ~m1) | (b & m1), N / 4, 1, Channel(B, 0, 3),
Channel(B, 1, 3), Channel(C[1]))
Blit(lambda a, b: ((a << 4) & ~m1) | (b & m1), N / 4, 1, Channel(B, 2, 3),
Channel(B, 3, 3), Channel(C[3]))
print("Bitplanes:")
Array.Print("[0]:", *C[0])
Array.Print("[1]:", *C[1])
Array.Print("[2]:", *C[2])
Array.Print("[3]:", *C[3])
def c2p(bitplane_output=True):
m0 = Word.Mask('ff00')
m1 = Word.Mask('f0f0')
m2 = Word.Mask('cccc')
print "=[ c2p 1x1 4bpl (blitter + mangled) ]=".center(48, '-')
def MakeWord(c, color):
return Word([
Bit.Var(c[0], 0, color),
Bit.Var(c[1], 0, color),
Bit.Var(c[0], 2, color),
Bit.Var(c[1], 2, color),
Bit.Var(c[0], 1, color),
Bit.Var(c[1], 1, color),
Bit.Var(c[0], 3, color),
Bit.Var(c[1], 3, color),
Bit.Var(c[2], 0, color),
Bit.Var(c[3], 0, color),
Bit.Var(c[2], 2, color),
Bit.Var(c[3], 2, color),
Bit.Var(c[2], 1, color),
Bit.Var(c[3], 1, color),
Bit.Var(c[2], 3, color),
Bit.Var(c[3], 3, color)
])
A = Array.Make(MakeWord)
N = len(A)
Array.Print("Data:", *A)
B = Array.Zero(N, 16)
Blit(lambda a, b: (a & m0) | ((b >> 8) & ~m0), N / 4, 2, Channel(A, 0, 2),
Channel(A, 2, 2), Channel(B, 0, 2))
Blit(lambda a, b: ((a << 8) & m0) | (b & ~m0), N / 4, 2, Channel(A, 0, 2),
Channel(A, 2, 2), Channel(B, 2, 2))
Array.Print("Swap 8x4:", *B)
C = Array.Zero(N, 16)
Blit(lambda a, b: (a & m1) | ((b >> 4) & ~m1), N / 2, 1, Channel(B, 0, 1),
Channel(B, 1, 1), Channel(C, 0, 1))
Blit(lambda a, b: ((a << 4) & m1) | (b & ~m1), N / 2, 1, Channel(B, 0, 1),
Channel(B, 1, 1), Channel(C, 1, 1))
Array.Print("Swap 4x2:", *C)
if bitplane_output:
D = [Array.Zero(N / 4, 16) for i in range(4)]
Blit(lambda a, b: (a & m2) | ((b >> 2) & ~m2), N / 4, 1,
Channel(C, 0, 3), Channel(C, 2, 3), Channel(D[0], 0, 0))
Blit(lambda a, b: (a & m2) | ((b >> 2) & ~m2), N / 4, 1,
Channel(C, 1, 3), Channel(C, 3, 3), Channel(D[1], 0, 0))
Blit(lambda a, b: ((a << 2) & m2) | (b & ~m2), N / 4, 1,
Channel(C, 0, 3), Channel(C, 2, 3), Channel(D[2], 0, 0))
Blit(lambda a, b: ((a << 2) & m2) | (b & ~m2), N / 4, 1,
Channel(C, 1, 3), Channel(C, 3, 3), Channel(D[3], 0, 0))
print("Bitplanes:")
Array.Print("[0]:", *D[0])
Array.Print("[1]:", *D[1])
Array.Print("[2]:", *D[2])
Array.Print("[3]:", *D[3])
else:
D = Array.Zero(N, 16)
Blit(lambda a, b: ((a >> 2) & ~m2) | (b & m2), N / 4, 2,
Channel(C, 2, 2), Channel(C, 0, 2), Channel(D, 0, 2))
Blit(lambda a, b: ((a << 2) & m2) | (b & ~m2), N / 4, 2,
Channel(C, 0, 2), Channel(C, 2, 2), Channel(D, 2, 2))
Array.Print("Swap 2x2:", *D)
def c2p(bitplane_output=True):
m0 = Word.Mask('00ff')
m1 = Word.Mask('0f0f')
m2 = Word.Mask('5555')
print "=[ c2p 2x1 4bpl (blitter + mangled) ]=".center(48, '-')
# premangled pixels:
# 1) [- - - - a b c d] => [a b - - c d - -]
# 2) [- - - - e f g h] => [- - e f - - g h]
def MakeWord(c, color):
return Word([Bit.Var(c[0], 0, color),
Bit.Var(c[0], 1, color),
Bit.Var(c[1], 0, color),
Bit.Var(c[1], 1, color),
Bit.Var(c[0], 2, color),
Bit.Var(c[0], 3, color),
Bit.Var(c[1], 2, color),
Bit.Var(c[1], 3, color),
Bit.Var(c[2], 0, color),
Bit.Var(c[2], 1, color),
Bit.Var(c[3], 0, color),
Bit.Var(c[3], 1, color),
Bit.Var(c[2], 2, color),
Bit.Var(c[2], 3, color),
Bit.Var(c[3], 2, color),
Bit.Var(c[3], 3, color)])
A = Array.Make(MakeWord)
N = len(A)
Array.Print("Data:", *A)
B = Array.Zero(N, 16)
Blit(lambda a, b: ((a >> 8) & m0) | (b & ~m0),
N / 2, 1, Channel(A, 1, 1), Channel(A, 0, 1), Channel(B, 0, 1))
Blit(lambda a, b: ((a << 8) & ~m0) | (b & m0),
N / 2, 1, Channel(A, 0, 1), Channel(A, 1, 1), Channel(B, 1, 1))
Array.Print("Swap 8x2:", *B)
C = Array.Zero(N, 16)
Blit(lambda a, b: ((a & ~m1) | ((b >> 4) & m1)),
N / 2, 1, Channel(B, 0, 1), Channel(B, 1, 1), Channel(C, 0, 1))
Blit(lambda a, b: (((a << 4) & ~m1) | (b & m1)),
N / 2, 1, Channel(B, 0, 1), Channel(B, 1, 1), Channel(C, 1, 1))
Array.Print("Swap 4x2:", *C)
if bitplane_output:
D = [Array.Zero(N / 2, 16) for i in range(4)]
Blit(lambda a, b: (((a >> 1) & m2) | (b & ~m2)),
N / 2, 1, Channel(C, 0, 1), Channel(C, 0, 1), Channel(D[0], 0, 0))
Blit(lambda a, b: (((a >> 1) & m2) | (b & ~m2)),
N / 2, 1, Channel(C, 1, 1), Channel(C, 1, 1), Channel(D[2], 0, 0))
Blit(lambda a, b: (((a << 1) & ~m2) | (b & m2)),
N / 2, 1, Channel(C, 0, 1), Channel(C, 0, 1), Channel(D[1], 0, 0))
Blit(lambda a, b: (((a << 1) & ~m2) | (b & m2)),
N / 2, 1, Channel(C, 1, 1), Channel(C, 1, 1), Channel(D[3], 0, 0))
print("Bitplanes:")
Array.Print("[0]:", *D[0])
Array.Print("[1]:", *D[1])
Array.Print("[2]:", *D[2])
Array.Print("[3]:", *D[3])
else:
D = Array.Zero(N * 2, 16)
Blit(lambda a, b: (((a >> 1) & m2) | (b & ~m2)),
N, 1, Channel(C, 0, 0), Channel(C, 0, 0), Channel(D, 0, 1))
Blit(lambda a, b: (((a << 1) & ~m2) | (b & m2)),
N, 1, Channel(C, 0, 0), Channel(C, 0, 0), Channel(D, 1, 1))
Array.Print("Expand 2x1:", *D)
def c2p(bitplane_output=True):
m0 = Word.Mask('00ff')
m1 = Word.Mask('0f0f')
m2 = Word.Mask('3333')
m3 = Word.Mask('5555')
print "=[ c2p 1x1 4bpl (blitter) ]=".center(48, '-')
def MakeWord(chars, color):
bits = []
for c in chars:
for i in range(4):
bits.append(Bit.Var(c, i, color))
return Word(bits)
A = Array.Make(MakeWord)
N = len(A)
Array.Print("Data:", *A)
B = Array.Zero(N, 16)
Blit(lambda a, b: ((a >> 8) & m0) | (b & ~m0), N / 4, 2, Channel(A, 2, 2),
Channel(A, 0, 2), Channel(B, 0, 2))
Blit(lambda a, b: ((a << 8) & ~m0) | (b & m0), N / 4, 2, Channel(A, 0, 2),
Channel(A, 2, 2), Channel(B, 2, 2))
Array.Print("Swap 8x4:", *B)
C = Array.Zero(N, 16)
Blit(lambda a, b: ((a >> 4) & m1) | (b & ~m1), N / 2, 1, Channel(B, 1, 1),
Channel(B, 0, 1), Channel(C, 0, 1))
Blit(lambda a, b: ((a << 4) & ~m1) | (b & m1), N / 2, 1, Channel(B, 0, 1),
Channel(B, 1, 1), Channel(C, 1, 1))
Array.Print("Swap 4x2:", *C)
D = Array.Zero(N, 16)
Blit(lambda a, b: ((a >> 2) & m2) | (b & ~m2), N / 4, 2, Channel(C, 2, 2),
Channel(C, 0, 2), Channel(D, 0, 2))
Blit(lambda a, b: ((a << 2) & ~m2) | (b & m2), N / 4, 2, Channel(C, 0, 2),
Channel(C, 2, 2), Channel(D, 2, 2))
Array.Print("Swap 2x2:", *D)
if bitplane_output:
E = [Array.Zero(N / 4, 16) for i in range(4)]
Blit(lambda a, b: ((a >> 1) & m3) | (b & ~m3), N / 4, 1,
Channel(D, 1, 3), Channel(D, 0, 3), Channel(E[0], 0, 0))
Blit(lambda a, b: ((a >> 1) & m3) | (b & ~m3), N / 4, 1,
Channel(D, 3, 3), Channel(D, 2, 3), Channel(E[2], 0, 0))
Blit(lambda a, b: ((a << 1) & ~m3) | (b & m3), N / 4, 1,
Channel(D, 0, 3), Channel(D, 1, 3), Channel(E[1], 0, 0))
Blit(lambda a, b: ((a << 1) & ~m3) | (b & m3), N / 4, 1,
Channel(D, 2, 3), Channel(D, 3, 3), Channel(E[3], 0, 0))
print("Bitplanes:")
Array.Print("[0]:", *E[0])
Array.Print("[1]:", *E[1])
Array.Print("[2]:", *E[2])
Array.Print("[3]:", *E[3])
else:
E = Array.Zero(N, 16)
Blit(lambda a, b: ((a >> 1) & m3) | (b & ~m3), N / 2, 1,
Channel(D, 1, 1), Channel(D, 0, 1), Channel(E, 0, 1))
Blit(lambda a, b: ((a << 1) & ~m3) | (b & m3), N / 2, 1,
Channel(D, 0, 1), Channel(D, 1, 1), Channel(E, 1, 1))
Array.Print("Swap 1x1:", *E)