Apple-2-Tools/applepy
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use pregenerated character bitmaps for text mode

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This commit is contained in:
Greg Hewgill 2011-08-13 23:52:15 +12:00
parent e37c4dcbcd
commit 5a8bf9a516
1 changed files with 23 additions and 21 deletions
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44
applepy.py
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@ -104,6 +104,25 @@ class Display:
self.screen = pygame.display.set_mode((560, 384))
pygame.display.set_caption("ApplePy")
self.mix = False
self.chargen = []
for c in self.characters:
chars = [[pygame.Surface((14, 16)), pygame.Surface((14, 16))],
[pygame.Surface((14, 16)), pygame.Surface((14, 16))]]
for colour in (0, 1):
hue = (255, 255, 255) if colour else (0, 200, 0)
for inv in (0, 1):
pixels = pygame.PixelArray(chars[colour][inv])
off = hue if inv else (0, 0, 0)
on = (0, 0, 0) if inv else hue
for row in range(8):
b = c[row] << 1
for col in range(7):
bit = (b >> (6 - col)) & 1
pixels[2 * col][2 * row] = on if bit else off
pixels[2 * col + 1][2 * row] = on if bit else off
del pixels
self.chargen.append(chars)
def txtclr(self):
self.text = False
@ -150,31 +169,14 @@ class Display:
if row_group == 3:
return
pixels = pygame.PixelArray(self.screen)
if self.text or not self.mix or not row < 20:
mode, ch = divmod(value, 0x40)
if self.colour:
on = (255, 255, 255)
else:
on = (0, 200, 0)
off = (0, 0, 0)
inv = mode in (0, 1)
if mode == 0 or mode == 1:
on, off = off, on
for line in range(8):
b = self.characters[ch][line] << 1
for i in range(7):
x = 2 * (column * 7 + (5 - i))
y = 2 * (row * 8 + line)
bit = (b >> i) % 2
pixels[x][y] = on if bit else off
pixels[x + 1][y] = on if bit else off
pixels[x][y + 1] = (0, 0, 0)
pixels[x + 1][y + 1] = (0, 0, 0)
self.screen.blit(self.chargen[ch][self.colour][inv], (2 * (column * 7), 2 * (row * 8)))
else:
pixels = pygame.PixelArray(self.screen)
if not self.high_res:
lower, upper = divmod(value, 0x10)
@ -187,7 +189,7 @@ class Display:
x = column * 14 + dx
y = row * 16 + dy
pixels[x][y] = self.lores_colours[lower]
del pixels
del pixels
elif start_hires <= address <= start_hires + 0x1FFF:
if self.high_res: