mirror of https://github.com/smartykit/apple1.git
90 lines
2.5 KiB
Python
90 lines
2.5 KiB
Python
# Woz OS for Apple-1 - high-level view in Python (v.1.0)
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# http://www.smartykit.io/
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# Copyright (C) 2022, Sergey Panarin, founder of SmartyKit <sergey@smartykit.io>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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class HardwareInterface(object):
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"""docstring for HardwareInterface"""
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def __init__(self):
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pass
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def init(self):
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print('Init hardware...')
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return
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def executeAction(self, action):
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print(f'* executing {action} action')
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# video driver
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def ECHO(self, char):
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print(char)
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# keyboard driver
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def GETLINE(self):
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return 'FF00'
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class UserInterface(object):
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userInput = ''
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modes = {'XAM': 'examine memory cell',
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'BLOCK': 'examine memory block',
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'STOR': 'save in memory (cell or block)'
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}
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XAM_address = '0000'
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STOR_address = '0000'
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"""docstring for UserInterface"""
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def __init__(self):
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mode = self.modes['XAM']
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return
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def readUserInput(self):
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print('\\')
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self.userInput = 'FF00.FFFF'
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def parseUserInput(self):
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print('Parsing...')
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action = ''
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inputLength = len(self.userInput)
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if (self.userInput.find(".") > 0):
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print("Setting XAM BLOCK mode...")
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self.mode = self.modes # Examine block mode
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action = 'XAM BLOCK'
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elif (self.userInput.find(":") > 0):
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print("Setting STOR mode...")
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self.mode = self.modes['STOR'] # STOR mode
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action = 'STOR'
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elif (self.userInput.find("R") > 0):
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# "R"? -> run a program
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print("RUN command detected...")
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print("Running at memory address %s... To run the other program please RESET" % self.XAM_address)
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action = 'RUN'
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return action
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hardware = HardwareInterface()
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ui = UserInterface()
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print('*** Wozmonitor (WozOS) for Apple-1 (1976) ***')
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# reboot starting point ($FF00)
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# setup()
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hardware.init()
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# loop()
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i = 0
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max_loops = 5
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while (i < max_loops): # while (1) for infinite loop
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ui.readUserInput()
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action = ui.parseUserInput()
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hardware.executeAction(action)
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i = i + 1
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