Merge branch 'pygame'
This commit is contained in:
James Tauber
commit
ecd9d00066
359
applepy.py
359
applepy.py
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@ -3,7 +3,8 @@
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# originally written 2001, updated 2011
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import curses
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import pygame
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import colorsys
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def signed(x):
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if x > 0x7F:
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@ -11,6 +12,232 @@ def signed(x):
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return x
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class Display:
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characters = [
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[0b00000, 0b01110, 0b10001, 0b10101, 0b10111, 0b10110, 0b10000, 0b01111],
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[0b00000, 0b00100, 0b01010, 0b10001, 0b10001, 0b11111, 0b10001, 0b10001],
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[0b00000, 0b11110, 0b10001, 0b10001, 0b11110, 0b10001, 0b10001, 0b11110],
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[0b00000, 0b01110, 0b10001, 0b10000, 0b10000, 0b10000, 0b10001, 0b01110],
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[0b00000, 0b11110, 0b10001, 0b10001, 0b10001, 0b10001, 0b10001, 0b11110],
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[0b00000, 0b11111, 0b10000, 0b10000, 0b11110, 0b10000, 0b10000, 0b11111],
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[0b00000, 0b11111, 0b10000, 0b10000, 0b11110, 0b10000, 0b10000, 0b10000],
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[0b00000, 0b01111, 0b10000, 0b10000, 0b10000, 0b10011, 0b10001, 0b01111],
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[0b00000, 0b10001, 0b10001, 0b10001, 0b11111, 0b10001, 0b10001, 0b10001],
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[0b00000, 0b01110, 0b00100, 0b00100, 0b00100, 0b00100, 0b00100, 0b01110],
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[0b00000, 0b00001, 0b00001, 0b00001, 0b00001, 0b00001, 0b10001, 0b01110],
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[0b00000, 0b10001, 0b10010, 0b10100, 0b11000, 0b10100, 0b10010, 0b10001],
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[0b00000, 0b10000, 0b10000, 0b10000, 0b10000, 0b10000, 0b10000, 0b11111],
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[0b00000, 0b10001, 0b11011, 0b10101, 0b10101, 0b10001, 0b10001, 0b10001],
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[0b00000, 0b10001, 0b10001, 0b11001, 0b10101, 0b10011, 0b10001, 0b10001],
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[0b00000, 0b01110, 0b10001, 0b10001, 0b10001, 0b10001, 0b10001, 0b01110],
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[0b00000, 0b11110, 0b10001, 0b10001, 0b11110, 0b10000, 0b10000, 0b10000],
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[0b00000, 0b01110, 0b10001, 0b10001, 0b10001, 0b10101, 0b10010, 0b01101],
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[0b00000, 0b11110, 0b10001, 0b10001, 0b11110, 0b10100, 0b10010, 0b10001],
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[0b00000, 0b01110, 0b10001, 0b10000, 0b01110, 0b00001, 0b10001, 0b01110],
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[0b00000, 0b11111, 0b00100, 0b00100, 0b00100, 0b00100, 0b00100, 0b00100],
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[0b00000, 0b10001, 0b10001, 0b10001, 0b10001, 0b10001, 0b10001, 0b01110],
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[0b00000, 0b10001, 0b10001, 0b10001, 0b10001, 0b10001, 0b01010, 0b00100],
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[0b00000, 0b10001, 0b10001, 0b10001, 0b10101, 0b10101, 0b11011, 0b10001],
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[0b00000, 0b10001, 0b10001, 0b01010, 0b00100, 0b01010, 0b10001, 0b10001],
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[0b00000, 0b10001, 0b10001, 0b01010, 0b00100, 0b00100, 0b00100, 0b00100],
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[0b00000, 0b11111, 0b00001, 0b00010, 0b00100, 0b01000, 0b10000, 0b11111],
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[0b00000, 0b11111, 0b11000, 0b11000, 0b11000, 0b11000, 0b11000, 0b11111],
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[0b00000, 0b00000, 0b10000, 0b01000, 0b00100, 0b00010, 0b00001, 0b00000],
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[0b00000, 0b11111, 0b00011, 0b00011, 0b00011, 0b00011, 0b00011, 0b11111],
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[0b00000, 0b00000, 0b00000, 0b00100, 0b01010, 0b10001, 0b00000, 0b00000],
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[0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b11111],
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[0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000],
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[0b00000, 0b00100, 0b00100, 0b00100, 0b00100, 0b00100, 0b00000, 0b00100],
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[0b00000, 0b01010, 0b01010, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000],
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[0b00000, 0b01010, 0b01010, 0b11111, 0b01010, 0b11111, 0b01010, 0b01010],
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[0b00000, 0b00100, 0b01111, 0b10100, 0b01110, 0b00101, 0b11110, 0b00100],
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[0b00000, 0b11000, 0b11001, 0b00010, 0b00100, 0b01000, 0b10011, 0b00011],
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[0b00000, 0b01000, 0b10100, 0b10100, 0b01000, 0b10101, 0b10010, 0b01101],
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[0b00000, 0b00100, 0b00100, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000],
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[0b00000, 0b00100, 0b01000, 0b10000, 0b10000, 0b10000, 0b01000, 0b00100],
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[0b00000, 0b00100, 0b00010, 0b00001, 0b00001, 0b00001, 0b00010, 0b00100],
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[0b00000, 0b00100, 0b10101, 0b01110, 0b00100, 0b01110, 0b10101, 0b00100],
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[0b00000, 0b00000, 0b00100, 0b00100, 0b11111, 0b00100, 0b00100, 0b00000],
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[0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00100, 0b00100, 0b01000],
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[0b00000, 0b00000, 0b00000, 0b00000, 0b11111, 0b00000, 0b00000, 0b00000],
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[0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00100],
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[0b00000, 0b00000, 0b00001, 0b00010, 0b00100, 0b01000, 0b10000, 0b00000],
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[0b00000, 0b01110, 0b10001, 0b10011, 0b10101, 0b11001, 0b10001, 0b01110],
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[0b00000, 0b00100, 0b01100, 0b00100, 0b00100, 0b00100, 0b00100, 0b01110],
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[0b00000, 0b01110, 0b10001, 0b00001, 0b00110, 0b01000, 0b10000, 0b11111],
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[0b00000, 0b11111, 0b00001, 0b00010, 0b00110, 0b00001, 0b10001, 0b01110],
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[0b00000, 0b00010, 0b00110, 0b01010, 0b10010, 0b11111, 0b00010, 0b00010],
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[0b00000, 0b11111, 0b10000, 0b11110, 0b00001, 0b00001, 0b10001, 0b01110],
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[0b00000, 0b00111, 0b01000, 0b10000, 0b11110, 0b10001, 0b10001, 0b01110],
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[0b00000, 0b11111, 0b00001, 0b00010, 0b00100, 0b01000, 0b01000, 0b01000],
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[0b00000, 0b01110, 0b10001, 0b10001, 0b01110, 0b10001, 0b10001, 0b01110],
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[0b00000, 0b01110, 0b10001, 0b10001, 0b01111, 0b00001, 0b00010, 0b11100],
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[0b00000, 0b00000, 0b00000, 0b00100, 0b00000, 0b00100, 0b00000, 0b00000],
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[0b00000, 0b00000, 0b00000, 0b00100, 0b00000, 0b00100, 0b00100, 0b01000],
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[0b00000, 0b00010, 0b00100, 0b01000, 0b10000, 0b01000, 0b00100, 0b00010],
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[0b00000, 0b00000, 0b00000, 0b11111, 0b00000, 0b11111, 0b00000, 0b00000],
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[0b00000, 0b01000, 0b00100, 0b00010, 0b00001, 0b00010, 0b00100, 0b01000],
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[0b00000, 0b01110, 0b10001, 0b00010, 0b00100, 0b00100, 0b00000, 0b00100]
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]
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lores_colours = [
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(0, 0, 0), # black
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(208, 0, 48), # magenta / dark red
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(0, 0, 128), # dark blue
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(255, 0, 255), # purple / violet
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(0, 128, 0), # dark green
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(128, 128, 128), # gray 1
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(0, 0, 255), # medium blue / blue
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(96, 160, 255), # light blue
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(128, 80, 0), # brown / dark orange
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(255, 128 ,0), # orange
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(192, 192, 192), # gray 2
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(255, 144, 128), # pink / light red
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(0, 255, 0), # light green / green
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(255, 255, 0), # yellow / light orange
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(64, 255, 144), # aquamarine / light green
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(255, 255, 255), # white
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]
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def __init__(self):
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self.screen = pygame.display.set_mode((560, 384))
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pygame.display.set_caption("ApplePy")
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self.mix = False
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self.chargen = []
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for c in self.characters:
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chars = [[pygame.Surface((14, 16)), pygame.Surface((14, 16))],
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[pygame.Surface((14, 16)), pygame.Surface((14, 16))]]
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for colour in (0, 1):
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hue = (255, 255, 255) if colour else (0, 200, 0)
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for inv in (0, 1):
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pixels = pygame.PixelArray(chars[colour][inv])
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off = hue if inv else (0, 0, 0)
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on = (0, 0, 0) if inv else hue
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for row in range(8):
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b = c[row] << 1
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for col in range(7):
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bit = (b >> (6 - col)) & 1
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pixels[2 * col][2 * row] = on if bit else off
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pixels[2 * col + 1][2 * row] = on if bit else off
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del pixels
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self.chargen.append(chars)
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def txtclr(self):
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self.text = False
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def txtset(self):
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self.text = True
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self.colour = False
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def mixclr(self):
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self.mix = False
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def mixset(self):
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self.mix = True
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self.colour = True
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def lowscr(self):
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self.page = 1
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def hiscr(self):
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self.page = 2
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def lores(self):
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self.high_res = False
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def hires(self):
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self.high_res = True
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def update(self, address, value):
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if self.page == 1:
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start_text = 0x400
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start_hires = 0x2000
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elif self.page == 2:
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start_text = 0x800
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start_hires = 0x4000
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else:
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return
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if start_text <= address <= start_text + 0x3FF:
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base = address - start_text
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hi, lo = divmod(base, 0x80)
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row_group, column = divmod(lo, 0x28)
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row = hi + 8 * row_group
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if row_group == 3:
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return
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if self.text or not self.mix or not row < 20:
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mode, ch = divmod(value, 0x40)
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inv = mode in (0, 1)
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self.screen.blit(self.chargen[ch][self.colour][inv], (2 * (column * 7), 2 * (row * 8)))
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else:
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pixels = pygame.PixelArray(self.screen)
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if not self.high_res:
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lower, upper = divmod(value, 0x10)
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for dx in range(14):
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for dy in range(8):
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x = column * 14 + dx
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y = row * 16 + dy
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pixels[x][y] = self.lores_colours[upper]
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for dy in range(8, 16):
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x = column * 14 + dx
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y = row * 16 + dy
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pixels[x][y] = self.lores_colours[lower]
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del pixels
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elif start_hires <= address <= start_hires + 0x1FFF:
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if self.high_res:
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base = address - start_hires
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row8, b = divmod(base, 0x400)
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hi, lo = divmod(b, 0x80)
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row_group, column = divmod(lo, 0x28)
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row = 8 * (hi + 8 * row_group) + row8
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if self.mix and row >= 160:
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return
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if row < 192 and column < 40:
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pixels = pygame.PixelArray(self.screen)
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msb = value // 0x80
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for b in range(7):
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c = value & (1 << b)
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xx = (column * 7 + b)
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x = 2 * xx
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y = 2 * row
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if msb:
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if xx % 2:
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pixels[x][y] = (0, 0, 0)
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# orange
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pixels[x + 1][y] = (255, 192, 0) if c else (0, 0, 0)
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else:
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# blue
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pixels[x][y] = (0, 128, 224) if c else (0, 0, 0)
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pixels[x + 1][y] = (0, 0, 0)
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else:
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if xx % 2:
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pixels[x][y] = (0, 0, 0)
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# green
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pixels[x + 1][y] = (0, 255, 0) if c else (0, 0, 0)
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else:
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# violet
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pixels[x][y] = (255, 0, 255) if c else (0, 0, 0)
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pixels[x + 1][y] = (0, 0, 0)
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pixels[x][y + 1] = (0, 0, 0)
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pixels[x + 1][y + 1] = (0, 0, 0)
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del pixels
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class RAM:
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def __init__(self, start, size):
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@ -32,15 +259,36 @@ class RAM:
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class SoftSwitches:
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def __init__(self):
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def __init__(self, display):
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self.kbd = 0x00
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self.display = display
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def read_byte(self, address):
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assert 0xC000 <= address <= 0xCFFF
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if address == 0xC000:
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return self.kbd
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if address == 0xC010:
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elif address == 0xC010:
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self.kbd = self.kbd & 0x7F
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elif address == 0xC030:
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pass # toggle speaker
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elif address == 0xC050:
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self.display.txtclr()
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elif address == 0xC051:
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self.display.txtset()
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elif address == 0xC052:
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self.display.mixclr()
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elif address == 0xC053:
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self.display.mixset()
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elif address == 0xC054:
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self.display.lowscr()
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elif address == 0xC055:
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self.display.hiscr()
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elif address == 0xC056:
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self.display.lores()
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elif address == 0xC057:
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self.display.hires()
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else:
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pass # print "%04X" % address
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return 0x00
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|
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@ -67,14 +315,15 @@ class ROM:
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|||
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class Memory:
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def __init__(self):
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def __init__(self, display=None):
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self.display = display
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self.rom = ROM(0xD000, 0x3000)
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# available from http://www.easy68k.com/paulrsm/6502/index.html
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self.rom.load_file(0xD000, "A2ROM.BIN")
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self.ram = RAM(0x0000, 0xC000)
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self.softswitches = SoftSwitches()
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self.softswitches = SoftSwitches(display)
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def load(self, address, data):
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if address < 0xC000:
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||||
|
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@ -100,34 +349,10 @@ class Memory:
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def write_byte(self, address, value):
|
||||
if address < 0xC000:
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||||
self.ram.write_byte(address, value)
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||||
if 0x400 <= address < 0x800:
|
||||
self.write_screen(address, value)
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||||
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def write_screen(self, address, value):
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base = address - 0x400
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hi, lo = divmod(base, 0x80)
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row_group, column = divmod(lo, 0x28)
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row = hi + 8 * row_group
|
||||
|
||||
# skip if writing to row group 3
|
||||
if row_group == 3:
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||||
return
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||||
|
||||
c = chr(0x20 + ((value + 0x20) % 0x40))
|
||||
|
||||
if value < 0x40:
|
||||
attr = curses.A_DIM
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||||
elif value < 0x80:
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attr = curses.A_REVERSE
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||||
elif value < 0xA0:
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||||
attr = curses.A_UNDERLINE
|
||||
else:
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||||
attr = curses.A_DIM
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||||
|
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try:
|
||||
self.win.addch(row, column, c, attr)
|
||||
except curses.error:
|
||||
pass
|
||||
if 0x400 <= address < 0x800 and display:
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||||
self.display.update(address, value)
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||||
if 0x2000 <= address < 0x5FFF and display:
|
||||
self.display.update(address, value)
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||||
|
||||
|
||||
class Disassemble:
|
||||
|
|
@ -531,41 +756,13 @@ class CPU:
|
|||
def reset(self):
|
||||
self.program_counter = self.memory.read_word(self.RESET_VECTOR)
|
||||
|
||||
def dump(self, win, op):
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win.move(10, 50)
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||||
win.clrtoeol()
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||||
win.addstr(10, 50, self.disassemble.disasm(self.program_counter - 1))
|
||||
win.addstr(14, 50, "BUFFER:" +
|
||||
" ".join("%02X" % self.memory.read_byte(m) for m in range(0x200, 0x210))
|
||||
)
|
||||
win.addstr(11, 50, "A=%02X X=%02X Y=%02X S=%02X V=%02X B=%02X D=%02X I=%02X Z=%02X C=%02X PC=%04X S=%02X" % (
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||||
self.accumulator,
|
||||
self.x_index,
|
||||
self.y_index,
|
||||
self.sign_flag,
|
||||
self.overflow_flag,
|
||||
self.break_flag,
|
||||
self.decimal_mode_flag,
|
||||
self.interrupt_disable_flag,
|
||||
self.zero_flag,
|
||||
self.carry_flag,
|
||||
self.program_counter - 1,
|
||||
self.stack_pointer))
|
||||
win.addstr(12, 50, "STACK:" +
|
||||
" ".join("%02X" % self.memory.read_byte(self.STACK_PAGE + i) for i in range(255, self.stack_pointer, -1))
|
||||
)
|
||||
|
||||
def run(self, win):
|
||||
self.memory.win = win
|
||||
win.clear()
|
||||
curses.noecho()
|
||||
win.nodelay(True)
|
||||
while True:
|
||||
def run(self):
|
||||
update_cycle = 0
|
||||
quit = False
|
||||
while not quit:
|
||||
op = self.read_pc_byte()
|
||||
# self.dump(win, op)
|
||||
func = self.ops[op]
|
||||
if func is None:
|
||||
curses.endwin()
|
||||
print "UNKNOWN OP"
|
||||
print hex(self.program_counter - 1)
|
||||
print hex(op)
|
||||
|
|
@ -573,18 +770,21 @@ class CPU:
|
|||
else:
|
||||
self.ops[op]()
|
||||
|
||||
try:
|
||||
key = ord(win.getkey())
|
||||
if key == 0xA:
|
||||
key = 0xD
|
||||
elif key == 0x7F:
|
||||
key = 0x8
|
||||
# win.addstr(15, 50, hex(key))
|
||||
self.memory.softswitches.kbd = 0x80 + key
|
||||
except curses.error:
|
||||
pass
|
||||
except TypeError:
|
||||
pass
|
||||
for event in pygame.event.get():
|
||||
if event.type == pygame.QUIT:
|
||||
quit = True
|
||||
|
||||
if event.type == pygame.KEYDOWN:
|
||||
if event.unicode:
|
||||
key = ord(event.unicode)
|
||||
if key == 0x7F:
|
||||
key = 0x08
|
||||
self.memory.softswitches.kbd = 0x80 + key
|
||||
|
||||
update_cycle += 1
|
||||
if update_cycle >= 1024:
|
||||
pygame.display.flip()
|
||||
update_cycle = 0
|
||||
|
||||
####
|
||||
|
||||
|
|
@ -967,7 +1167,8 @@ class CPU:
|
|||
|
||||
|
||||
if __name__ == "__main__":
|
||||
mem = Memory()
|
||||
display = Display()
|
||||
mem = Memory(display)
|
||||
|
||||
cpu = CPU(mem)
|
||||
curses.wrapper(cpu.run)
|
||||
cpu.run()
|
||||
|
|
|
|||
Loading…
Reference in New Issue