def __init__(self, root):
self.rows = 32
self.columns = 16
scale_factor = 2 # scale the complete Display/Characters
self.tk_font = TkImageFont(CHARS_DICT,
scale_factor) # to generate PhotoImage()
self.total_width = self.tk_font.width_scaled * self.rows
self.total_height = self.tk_font.height_scaled * self.columns
foreground, background = dragon_charmap.get_hex_color(
dragon_charmap.NORMAL)
self.canvas = tkinter.Canvas(
root,
width=self.total_width,
height=self.total_height,
bd=0, # no border
highlightthickness=0, # no highlight border
# bg="#ff0000",
bg="#%s" % background,
)
# Contains the map from Display RAM value to char/color:
self.charmap = get_charmap_dict()
# Cache for the generated Tkinter.PhotoImage() in evry char/color combination:
self.image_cache = {}
# Tkinter.PhotoImage() IDs for image replace with canvas.itemconfigure():
self.images_map = {}
# Create all charachter images on the display and fill self.images_map:
self.init_img = self.tk_font.get_char(char="?",
color=dragon_charmap.INVERTED)
for row in xrange(self.rows + 1):
for column in xrange(self.columns + 1):
x = self.tk_font.width_scaled * row
y = self.tk_font.height_scaled * column
image_id = self.canvas.create_image(
x,
y,
image=self.init_img,
state="normal",
anchor=tkinter.NW # NW == NorthWest
)
# log.critical("Image ID: %s at %i x %i", image_id, x, y)
self.images_map[(x, y)] = image_id
def __init__(self, root):
self.rows = 32
self.columns = 16
scale_factor = 2 # scale the complete Display/Characters
self.tk_font = TkImageFont(CHARS_DICT, scale_factor) # to generate PhotoImage()
self.total_width = self.tk_font.width_scaled * self.rows
self.total_height = self.tk_font.height_scaled * self.columns
foreground, background = dragon_charmap.get_hex_color(dragon_charmap.NORMAL)
self.canvas = tkinter.Canvas(root,
width=self.total_width,
height=self.total_height,
bd=0, # no border
highlightthickness=0, # no highlight border
# bg="#ff0000",
bg="#%s" % background,
)
# Contains the map from Display RAM value to char/color:
self.charmap = get_charmap_dict()
# Cache for the generated Tkinter.PhotoImage() in evry char/color combination:
self.image_cache = {}
# Tkinter.PhotoImage() IDs for image replace with canvas.itemconfigure():
self.images_map = {}
# Create all charachter images on the display and fill self.images_map:
self.init_img = self.tk_font.get_char(char="?", color=dragon_charmap.INVERTED)
for row in xrange(self.rows + 1):
for column in xrange(self.columns + 1):
x = self.tk_font.width_scaled * row
y = self.tk_font.height_scaled * column
image_id = self.canvas.create_image(x, y,
image=self.init_img,
state="normal",
anchor=tkinter.NW # NW == NorthWest
)
# log.critical("Image ID: %s at %i x %i", image_id, x, y)
self.images_map[(x, y)] = image_id
class MC6847_TextModeCanvas(object):
"""
MC6847 Video Display Generator (VDG) in Alphanumeric Mode.
This display mode consumes 512 bytes of memory and is a 32 character wide screen with 16 lines.
Here we only get the "write into Display RAM" information from the CPU-Thread
from display_queue.
The Display Tkinter.Canvas() which will be filled with Tkinter.PhotoImage() instances.
Every displayed character is a Tkinter.PhotoImage()
"""
def __init__(self, root):
self.rows = 32
self.columns = 16
scale_factor = 2 # scale the complete Display/Characters
self.tk_font = TkImageFont(CHARS_DICT, scale_factor) # to generate PhotoImage()
self.total_width = self.tk_font.width_scaled * self.rows
self.total_height = self.tk_font.height_scaled * self.columns
foreground, background = dragon_charmap.get_hex_color(dragon_charmap.NORMAL)
self.canvas = tkinter.Canvas(root,
width=self.total_width,
height=self.total_height,
bd=0, # no border
highlightthickness=0, # no highlight border
# bg="#ff0000",
bg="#%s" % background,
)
# Contains the map from Display RAM value to char/color:
self.charmap = get_charmap_dict()
# Cache for the generated Tkinter.PhotoImage() in evry char/color combination:
self.image_cache = {}
# Tkinter.PhotoImage() IDs for image replace with canvas.itemconfigure():
self.images_map = {}
# Create all charachter images on the display and fill self.images_map:
self.init_img = self.tk_font.get_char(char="?", color=dragon_charmap.INVERTED)
for row in xrange(self.rows + 1):
for column in xrange(self.columns + 1):
x = self.tk_font.width_scaled * row
y = self.tk_font.height_scaled * column
image_id = self.canvas.create_image(x, y,
image=self.init_img,
state="normal",
anchor=tkinter.NW # NW == NorthWest
)
# log.critical("Image ID: %s at %i x %i", image_id, x, y)
self.images_map[(x, y)] = image_id
def write_byte(self, cpu_cycles, op_address, address, value):
# log.critical(
# "%04x| *** Display write $%02x ***%s*** %s at $%04x",
# op_address, value, repr(char), color, address
# )
try:
image = self.image_cache[value]
except KeyError:
# Generate a Tkinter.PhotoImage() for the requested char/color
char, color = self.charmap[value]
image = self.tk_font.get_char(char, color)
self.image_cache[value] = image
position = address - 0x400
column, row = divmod(position, self.rows)
x = self.tk_font.width_scaled * row
y = self.tk_font.height_scaled * column
# log.critical("replace image %s at %i x %i", image, x, y)
image_id = self.images_map[(x, y)]
self.canvas.itemconfigure(image_id, image=image)
class MC6847_TextModeCanvas(object):
"""
MC6847 Video Display Generator (VDG) in Alphanumeric Mode.
This display mode consumes 512 bytes of memory and is a 32 character wide screen with 16 lines.
Here we only get the "write into Display RAM" information from the CPU-Thread
from display_queue.
The Display Tkinter.Canvas() which will be filled with Tkinter.PhotoImage() instances.
Every displayed character is a Tkinter.PhotoImage()
"""
def __init__(self, root):
self.rows = 32
self.columns = 16
scale_factor = 2 # scale the complete Display/Characters
self.tk_font = TkImageFont(CHARS_DICT, scale_factor) # to generate PhotoImage()
self.total_width = self.tk_font.width_scaled * self.rows
self.total_height = self.tk_font.height_scaled * self.columns
foreground, background = dragon_charmap.get_hex_color(dragon_charmap.NORMAL)
self.canvas = tkinter.Canvas(root,
width=self.total_width,
height=self.total_height,
bd=0, # no border
highlightthickness=0, # no highlight border
# bg="#ff0000",
bg="#%s" % background,
)
# Contains the map from Display RAM value to char/color:
self.charmap = get_charmap_dict()
# Cache for the generated Tkinter.PhotoImage() in evry char/color combination:
self.image_cache = {}
# Tkinter.PhotoImage() IDs for image replace with canvas.itemconfigure():
self.images_map = {}
# Create all charachter images on the display and fill self.images_map:
self.init_img = self.tk_font.get_char(char="?", color=dragon_charmap.INVERTED)
for row in range(self.rows + 1):
for column in range(self.columns + 1):
x = self.tk_font.width_scaled * row
y = self.tk_font.height_scaled * column
image_id = self.canvas.create_image(x, y,
image=self.init_img,
state="normal",
anchor=tkinter.NW # NW == NorthWest
)
# log.critical("Image ID: %s at %i x %i", image_id, x, y)
self.images_map[(x, y)] = image_id
def write_byte(self, cpu_cycles, op_address, address, value):
# log.critical(
# "%04x| *** Display write $%02x ***%s*** %s at $%04x",
# op_address, value, repr(char), color, address
# )
try:
image = self.image_cache[value]
except KeyError:
# Generate a Tkinter.PhotoImage() for the requested char/color
char, color = self.charmap[value]
image = self.tk_font.get_char(char, color)
self.image_cache[value] = image
position = address - 0x400
column, row = divmod(position, self.rows)
x = self.tk_font.width_scaled * row
y = self.tk_font.height_scaled * column
# log.critical("replace image %s at %i x %i", image, x, y)
image_id = self.images_map[(x, y)]
self.canvas.itemconfigure(image_id, image=image)
