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Create a BaseMachine and add Dragon 32 stuff
This commit is contained in:
JensDiemer
parent
856ee1933a
commit
30f23c8bff
0
Dragon32/__init__.py
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0
Dragon32/__init__.py
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405
Dragon32/cpu6809.py
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Dragon32/cpu6809.py
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"""
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TODO: Just a copy of cpi6502.py yet :(
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"""
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import BaseHTTPServer
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import json
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import re
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import select
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import socket
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import sys
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from dragon32memory import Memory, RAM, ROM
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from generic.cpu import BaseCPU
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from generic.disassembler import BaseDisassemble
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from Dragon32.dragon32config import Dragon32Config
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class Disassemble6809(BaseDisassemble):
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def setup_ops(self):
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self.ops = [(1, "???")] * 0x100
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self.ops[0x00] = (1, "BRK",)
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self.ops[0x01] = (2, "ORA", self.indirect_x_mode)
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self.ops[0x05] = (2, "ORA", self.zero_page_mode)
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self.ops[0x06] = (2, "ASL", self.zero_page_mode)
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self.ops[0x08] = (1, "PHP",)
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self.ops[0x09] = (2, "ORA", self.immediate_mode)
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self.ops[0x0A] = (1, "ASL",)
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self.ops[0x0D] = (3, "ORA", self.absolute_mode)
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self.ops[0x0E] = (3, "ASL", self.absolute_mode)
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self.ops[0x10] = (2, "BPL", self.relative_mode)
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self.ops[0x11] = (2, "ORA", self.indirect_y_mode)
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self.ops[0x15] = (2, "ORA", self.zero_page_x_mode)
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self.ops[0x16] = (2, "ASL", self.zero_page_x_mode)
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self.ops[0x18] = (1, "CLC",)
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self.ops[0x19] = (3, "ORA", self.absolute_y_mode)
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self.ops[0x1D] = (3, "ORA", self.absolute_x_mode)
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self.ops[0x1E] = (3, "ASL", self.absolute_x_mode)
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self.ops[0x20] = (3, "JSR", self.absolute_mode)
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self.ops[0x21] = (2, "AND", self.indirect_x_mode)
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self.ops[0x24] = (2, "BIT", self.zero_page_mode)
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self.ops[0x25] = (2, "AND", self.zero_page_mode)
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self.ops[0x26] = (2, "ROL", self.zero_page_mode)
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self.ops[0x28] = (1, "PLP",)
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self.ops[0x29] = (2, "AND", self.immediate_mode)
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self.ops[0x2A] = (1, "ROL",)
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self.ops[0x2C] = (3, "BIT", self.absolute_mode)
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self.ops[0x2D] = (3, "AND", self.absolute_mode)
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self.ops[0x2E] = (3, "ROL", self.absolute_mode)
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self.ops[0x30] = (2, "BMI", self.relative_mode)
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self.ops[0x31] = (2, "AND", self.indirect_y_mode)
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self.ops[0x35] = (2, "AND", self.zero_page_x_mode)
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self.ops[0x36] = (2, "ROL", self.zero_page_x_mode)
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self.ops[0x38] = (1, "SEC",)
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self.ops[0x39] = (3, "AND", self.absolute_y_mode)
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self.ops[0x3D] = (3, "AND", self.absolute_x_mode)
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self.ops[0x3E] = (3, "ROL", self.absolute_x_mode)
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self.ops[0x40] = (1, "RTI",)
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self.ops[0x41] = (2, "EOR", self.indirect_x_mode)
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self.ops[0x45] = (2, "EOR", self.zero_page_mode)
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self.ops[0x46] = (2, "LSR", self.zero_page_mode)
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self.ops[0x48] = (1, "PHA",)
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self.ops[0x49] = (2, "EOR", self.immediate_mode)
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self.ops[0x4A] = (1, "LSR",)
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self.ops[0x4C] = (3, "JMP", self.absolute_mode)
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self.ops[0x4D] = (3, "EOR", self.absolute_mode)
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self.ops[0x4E] = (3, "LSR", self.absolute_mode)
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self.ops[0x50] = (2, "BVC", self.relative_mode)
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self.ops[0x51] = (2, "EOR", self.indirect_y_mode)
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self.ops[0x55] = (2, "EOR", self.zero_page_x_mode)
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self.ops[0x56] = (2, "LSR", self.zero_page_x_mode)
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self.ops[0x58] = (1, "CLI",)
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self.ops[0x59] = (3, "EOR", self.absolute_y_mode)
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self.ops[0x5D] = (3, "EOR", self.absolute_x_mode)
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self.ops[0x5E] = (3, "LSR", self.absolute_x_mode)
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self.ops[0x60] = (1, "RTS",)
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self.ops[0x61] = (2, "ADC", self.indirect_x_mode)
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self.ops[0x65] = (2, "ADC", self.zero_page_mode)
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self.ops[0x66] = (2, "ROR", self.zero_page_mode)
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self.ops[0x68] = (1, "PLA",)
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self.ops[0x69] = (2, "ADC", self.immediate_mode)
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self.ops[0x6A] = (1, "ROR",)
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self.ops[0x6C] = (3, "JMP", self.indirect_mode)
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self.ops[0x6D] = (3, "ADC", self.absolute_mode)
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self.ops[0x6E] = (3, "ROR", self.absolute_mode)
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self.ops[0x70] = (2, "BVS", self.relative_mode)
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self.ops[0x71] = (2, "ADC", self.indirect_y_mode)
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self.ops[0x75] = (2, "ADC", self.zero_page_x_mode)
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self.ops[0x76] = (2, "ROR", self.zero_page_x_mode)
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self.ops[0x78] = (1, "SEI",)
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self.ops[0x79] = (3, "ADC", self.absolute_y_mode)
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self.ops[0x7D] = (3, "ADC", self.absolute_x_mode)
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self.ops[0x7E] = (3, "ROR", self.absolute_x_mode)
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self.ops[0x81] = (2, "STA", self.indirect_x_mode)
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self.ops[0x84] = (2, "STY", self.zero_page_mode)
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self.ops[0x85] = (2, "STA", self.zero_page_mode)
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self.ops[0x86] = (2, "STX", self.zero_page_mode)
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self.ops[0x88] = (1, "DEY",)
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self.ops[0x8A] = (1, "TXA",)
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self.ops[0x8C] = (3, "STY", self.absolute_mode)
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self.ops[0x8D] = (3, "STA", self.absolute_mode)
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self.ops[0x8E] = (3, "STX", self.absolute_mode)
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self.ops[0x90] = (2, "BCC", self.relative_mode)
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self.ops[0x91] = (2, "STA", self.indirect_y_mode)
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self.ops[0x94] = (2, "STY", self.zero_page_x_mode)
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self.ops[0x95] = (2, "STA", self.zero_page_x_mode)
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self.ops[0x96] = (2, "STX", self.zero_page_y_mode)
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self.ops[0x98] = (1, "TYA",)
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self.ops[0x99] = (3, "STA", self.absolute_y_mode)
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self.ops[0x9A] = (1, "TXS",)
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self.ops[0x9D] = (3, "STA", self.absolute_x_mode)
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self.ops[0xA0] = (2, "LDY", self.immediate_mode)
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self.ops[0xA1] = (2, "LDA", self.indirect_x_mode)
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self.ops[0xA2] = (2, "LDX", self.immediate_mode)
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self.ops[0xA4] = (2, "LDY", self.zero_page_mode)
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self.ops[0xA5] = (2, "LDA", self.zero_page_mode)
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self.ops[0xA6] = (2, "LDX", self.zero_page_mode)
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self.ops[0xA8] = (1, "TAY",)
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self.ops[0xA9] = (2, "LDA", self.immediate_mode)
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self.ops[0xAA] = (1, "TAX",)
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self.ops[0xAC] = (3, "LDY", self.absolute_mode)
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self.ops[0xAD] = (3, "LDA", self.absolute_mode)
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self.ops[0xAE] = (3, "LDX", self.absolute_mode)
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self.ops[0xB0] = (2, "BCS", self.relative_mode)
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self.ops[0xB1] = (2, "LDA", self.indirect_y_mode)
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self.ops[0xB4] = (2, "LDY", self.zero_page_x_mode)
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self.ops[0xB5] = (2, "LDA", self.zero_page_x_mode)
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self.ops[0xB6] = (2, "LDX", self.zero_page_y_mode)
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self.ops[0xB8] = (1, "CLV",)
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self.ops[0xB9] = (3, "LDA", self.absolute_y_mode)
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self.ops[0xBA] = (1, "TSX",)
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self.ops[0xBC] = (3, "LDY", self.absolute_x_mode)
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self.ops[0xBD] = (3, "LDA", self.absolute_x_mode)
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self.ops[0xBE] = (3, "LDX", self.absolute_y_mode)
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self.ops[0xC0] = (2, "CPY", self.immediate_mode)
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self.ops[0xC1] = (2, "CMP", self.indirect_x_mode)
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self.ops[0xC4] = (2, "CPY", self.zero_page_mode)
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self.ops[0xC5] = (2, "CMP", self.zero_page_mode)
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self.ops[0xC6] = (2, "DEC", self.zero_page_mode)
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self.ops[0xC8] = (1, "INY",)
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self.ops[0xC9] = (2, "CMP", self.immediate_mode)
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self.ops[0xCA] = (1, "DEX",)
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self.ops[0xCC] = (3, "CPY", self.absolute_mode)
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self.ops[0xCD] = (3, "CMP", self.absolute_mode)
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self.ops[0xCE] = (3, "DEC", self.absolute_mode)
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self.ops[0xD0] = (2, "BNE", self.relative_mode)
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self.ops[0xD1] = (2, "CMP", self.indirect_y_mode)
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self.ops[0xD5] = (2, "CMP", self.zero_page_x_mode)
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self.ops[0xD6] = (2, "DEC", self.zero_page_x_mode)
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self.ops[0xD8] = (1, "CLD",)
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self.ops[0xD9] = (3, "CMP", self.absolute_y_mode)
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self.ops[0xDD] = (3, "CMP", self.absolute_x_mode)
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self.ops[0xDE] = (3, "DEC", self.absolute_x_mode)
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self.ops[0xE0] = (2, "CPX", self.immediate_mode)
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self.ops[0xE1] = (2, "SBC", self.indirect_x_mode)
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self.ops[0xE4] = (2, "CPX", self.zero_page_mode)
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self.ops[0xE5] = (2, "SBC", self.zero_page_mode)
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self.ops[0xE6] = (2, "INC", self.zero_page_mode)
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self.ops[0xE8] = (1, "INX",)
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self.ops[0xE9] = (2, "SBC", self.immediate_mode)
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self.ops[0xEA] = (1, "NOP",)
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self.ops[0xEC] = (3, "CPX", self.absolute_mode)
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self.ops[0xED] = (3, "SBC", self.absolute_mode)
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self.ops[0xEE] = (3, "INC", self.absolute_mode)
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self.ops[0xF0] = (2, "BEQ", self.relative_mode)
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self.ops[0xF1] = (2, "SBC", self.indirect_y_mode)
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self.ops[0xF5] = (2, "SBC", self.zero_page_x_mode)
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self.ops[0xF6] = (2, "INC", self.zero_page_x_mode)
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self.ops[0xF8] = (1, "SED",)
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self.ops[0xF9] = (3, "SBC", self.absolute_y_mode)
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self.ops[0xFD] = (3, "SBC", self.absolute_x_mode)
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self.ops[0xFE] = (3, "INC", self.absolute_x_mode)
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class CPU6502(BaseCPU):
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def __init__(self, *args, **kwargs):
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super(CPU6502, self).__init__(*args, **kwargs)
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self.stack_pointer = 0xFF
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def setup_ops(self):
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self.ops = [None] * 0x100
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self.ops[0x00] = lambda: self.BRK()
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self.ops[0x01] = lambda: self.ORA(self.indirect_x_mode())
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self.ops[0x05] = lambda: self.ORA(self.zero_page_mode())
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self.ops[0x06] = lambda: self.ASL(self.zero_page_mode())
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self.ops[0x08] = lambda: self.PHP()
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self.ops[0x09] = lambda: self.ORA(self.immediate_mode())
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self.ops[0x0A] = lambda: self.ASL()
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self.ops[0x0D] = lambda: self.ORA(self.absolute_mode())
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self.ops[0x0E] = lambda: self.ASL(self.absolute_mode())
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self.ops[0x10] = lambda: self.BPL(self.relative_mode())
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self.ops[0x11] = lambda: self.ORA(self.indirect_y_mode())
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self.ops[0x15] = lambda: self.ORA(self.zero_page_x_mode())
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self.ops[0x16] = lambda: self.ASL(self.zero_page_x_mode())
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self.ops[0x18] = lambda: self.CLC()
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self.ops[0x19] = lambda: self.ORA(self.absolute_y_mode())
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self.ops[0x1D] = lambda: self.ORA(self.absolute_x_mode())
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self.ops[0x1E] = lambda: self.ASL(self.absolute_x_mode(rmw=True))
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self.ops[0x20] = lambda: self.JSR(self.absolute_mode())
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self.ops[0x21] = lambda: self.AND(self.indirect_x_mode())
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self.ops[0x24] = lambda: self.BIT(self.zero_page_mode())
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self.ops[0x25] = lambda: self.AND(self.zero_page_mode())
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self.ops[0x26] = lambda: self.ROL(self.zero_page_mode())
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self.ops[0x28] = lambda: self.PLP()
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self.ops[0x29] = lambda: self.AND(self.immediate_mode())
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self.ops[0x2A] = lambda: self.ROL()
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self.ops[0x2C] = lambda: self.BIT(self.absolute_mode())
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self.ops[0x2D] = lambda: self.AND(self.absolute_mode())
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self.ops[0x2E] = lambda: self.ROL(self.absolute_mode())
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self.ops[0x30] = lambda: self.BMI(self.relative_mode())
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self.ops[0x31] = lambda: self.AND(self.indirect_y_mode())
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self.ops[0x35] = lambda: self.AND(self.zero_page_x_mode())
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self.ops[0x36] = lambda: self.ROL(self.zero_page_x_mode())
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self.ops[0x38] = lambda: self.SEC()
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self.ops[0x39] = lambda: self.AND(self.absolute_y_mode())
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self.ops[0x3D] = lambda: self.AND(self.absolute_x_mode())
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self.ops[0x3E] = lambda: self.ROL(self.absolute_x_mode(rmw=True))
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self.ops[0x40] = lambda: self.RTI()
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self.ops[0x41] = lambda: self.EOR(self.indirect_x_mode())
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self.ops[0x45] = lambda: self.EOR(self.zero_page_mode())
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self.ops[0x46] = lambda: self.LSR(self.zero_page_mode())
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self.ops[0x48] = lambda: self.PHA()
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self.ops[0x49] = lambda: self.EOR(self.immediate_mode())
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self.ops[0x4A] = lambda: self.LSR()
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self.ops[0x4C] = lambda: self.JMP(self.absolute_mode())
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self.ops[0x4D] = lambda: self.EOR(self.absolute_mode())
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self.ops[0x4E] = lambda: self.LSR(self.absolute_mode())
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self.ops[0x50] = lambda: self.BVC(self.relative_mode())
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self.ops[0x51] = lambda: self.EOR(self.indirect_y_mode())
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self.ops[0x55] = lambda: self.EOR(self.zero_page_x_mode())
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self.ops[0x56] = lambda: self.LSR(self.zero_page_x_mode())
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self.ops[0x58] = lambda: self.CLI()
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self.ops[0x59] = lambda: self.EOR(self.absolute_y_mode())
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self.ops[0x5D] = lambda: self.EOR(self.absolute_x_mode())
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self.ops[0x5E] = lambda: self.LSR(self.absolute_x_mode(rmw=True))
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self.ops[0x60] = lambda: self.RTS()
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self.ops[0x61] = lambda: self.ADC(self.indirect_x_mode())
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self.ops[0x65] = lambda: self.ADC(self.zero_page_mode())
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self.ops[0x66] = lambda: self.ROR(self.zero_page_mode())
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self.ops[0x68] = lambda: self.PLA()
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self.ops[0x69] = lambda: self.ADC(self.immediate_mode())
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self.ops[0x6A] = lambda: self.ROR()
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self.ops[0x6C] = lambda: self.JMP(self.indirect_mode())
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self.ops[0x6D] = lambda: self.ADC(self.absolute_mode())
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self.ops[0x6E] = lambda: self.ROR(self.absolute_mode())
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self.ops[0x70] = lambda: self.BVS(self.relative_mode())
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self.ops[0x71] = lambda: self.ADC(self.indirect_y_mode())
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self.ops[0x75] = lambda: self.ADC(self.zero_page_x_mode())
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self.ops[0x76] = lambda: self.ROR(self.zero_page_x_mode())
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self.ops[0x78] = lambda: self.SEI()
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self.ops[0x79] = lambda: self.ADC(self.absolute_y_mode())
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self.ops[0x7D] = lambda: self.ADC(self.absolute_x_mode())
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self.ops[0x7E] = lambda: self.ROR(self.absolute_x_mode(rmw=True))
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self.ops[0x81] = lambda: self.STA(self.indirect_x_mode())
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self.ops[0x84] = lambda: self.STY(self.zero_page_mode())
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self.ops[0x85] = lambda: self.STA(self.zero_page_mode())
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self.ops[0x86] = lambda: self.STX(self.zero_page_mode())
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self.ops[0x88] = lambda: self.DEY()
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self.ops[0x8A] = lambda: self.TXA()
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self.ops[0x8C] = lambda: self.STY(self.absolute_mode())
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self.ops[0x8D] = lambda: self.STA(self.absolute_mode())
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self.ops[0x8E] = lambda: self.STX(self.absolute_mode())
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self.ops[0x90] = lambda: self.BCC(self.relative_mode())
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self.ops[0x91] = lambda: self.STA(self.indirect_y_mode(rmw=True))
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self.ops[0x94] = lambda: self.STY(self.zero_page_x_mode())
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self.ops[0x95] = lambda: self.STA(self.zero_page_x_mode())
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self.ops[0x96] = lambda: self.STX(self.zero_page_y_mode())
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self.ops[0x98] = lambda: self.TYA()
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self.ops[0x99] = lambda: self.STA(self.absolute_y_mode(rmw=True))
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self.ops[0x9A] = lambda: self.TXS()
|
||||
self.ops[0x9D] = lambda: self.STA(self.absolute_x_mode(rmw=True))
|
||||
self.ops[0xA0] = lambda: self.LDY(self.immediate_mode())
|
||||
self.ops[0xA1] = lambda: self.LDA(self.indirect_x_mode())
|
||||
self.ops[0xA2] = lambda: self.LDX(self.immediate_mode())
|
||||
self.ops[0xA4] = lambda: self.LDY(self.zero_page_mode())
|
||||
self.ops[0xA5] = lambda: self.LDA(self.zero_page_mode())
|
||||
self.ops[0xA6] = lambda: self.LDX(self.zero_page_mode())
|
||||
self.ops[0xA8] = lambda: self.TAY()
|
||||
self.ops[0xA9] = lambda: self.LDA(self.immediate_mode())
|
||||
self.ops[0xAA] = lambda: self.TAX()
|
||||
self.ops[0xAC] = lambda: self.LDY(self.absolute_mode())
|
||||
self.ops[0xAD] = lambda: self.LDA(self.absolute_mode())
|
||||
self.ops[0xAE] = lambda: self.LDX(self.absolute_mode())
|
||||
self.ops[0xB0] = lambda: self.BCS(self.relative_mode())
|
||||
self.ops[0xB1] = lambda: self.LDA(self.indirect_y_mode())
|
||||
self.ops[0xB4] = lambda: self.LDY(self.zero_page_x_mode())
|
||||
self.ops[0xB5] = lambda: self.LDA(self.zero_page_x_mode())
|
||||
self.ops[0xB6] = lambda: self.LDX(self.zero_page_y_mode())
|
||||
self.ops[0xB8] = lambda: self.CLV()
|
||||
self.ops[0xB9] = lambda: self.LDA(self.absolute_y_mode())
|
||||
self.ops[0xBA] = lambda: self.TSX()
|
||||
self.ops[0xBC] = lambda: self.LDY(self.absolute_x_mode())
|
||||
self.ops[0xBD] = lambda: self.LDA(self.absolute_x_mode())
|
||||
self.ops[0xBE] = lambda: self.LDX(self.absolute_y_mode())
|
||||
self.ops[0xC0] = lambda: self.CPY(self.immediate_mode())
|
||||
self.ops[0xC1] = lambda: self.CMP(self.indirect_x_mode())
|
||||
self.ops[0xC4] = lambda: self.CPY(self.zero_page_mode())
|
||||
self.ops[0xC5] = lambda: self.CMP(self.zero_page_mode())
|
||||
self.ops[0xC6] = lambda: self.DEC(self.zero_page_mode())
|
||||
self.ops[0xC8] = lambda: self.INY()
|
||||
self.ops[0xC9] = lambda: self.CMP(self.immediate_mode())
|
||||
self.ops[0xCA] = lambda: self.DEX()
|
||||
self.ops[0xCC] = lambda: self.CPY(self.absolute_mode())
|
||||
self.ops[0xCD] = lambda: self.CMP(self.absolute_mode())
|
||||
self.ops[0xCE] = lambda: self.DEC(self.absolute_mode())
|
||||
self.ops[0xD0] = lambda: self.BNE(self.relative_mode())
|
||||
self.ops[0xD1] = lambda: self.CMP(self.indirect_y_mode())
|
||||
self.ops[0xD5] = lambda: self.CMP(self.zero_page_x_mode())
|
||||
self.ops[0xD6] = lambda: self.DEC(self.zero_page_x_mode())
|
||||
self.ops[0xD8] = lambda: self.CLD()
|
||||
self.ops[0xD9] = lambda: self.CMP(self.absolute_y_mode())
|
||||
self.ops[0xDD] = lambda: self.CMP(self.absolute_x_mode())
|
||||
self.ops[0xDE] = lambda: self.DEC(self.absolute_x_mode(rmw=True))
|
||||
self.ops[0xE0] = lambda: self.CPX(self.immediate_mode())
|
||||
self.ops[0xE1] = lambda: self.SBC(self.indirect_x_mode())
|
||||
self.ops[0xE4] = lambda: self.CPX(self.zero_page_mode())
|
||||
self.ops[0xE5] = lambda: self.SBC(self.zero_page_mode())
|
||||
self.ops[0xE6] = lambda: self.INC(self.zero_page_mode())
|
||||
self.ops[0xE8] = lambda: self.INX()
|
||||
self.ops[0xE9] = lambda: self.SBC(self.immediate_mode())
|
||||
self.ops[0xEA] = lambda: self.NOP()
|
||||
self.ops[0xEC] = lambda: self.CPX(self.absolute_mode())
|
||||
self.ops[0xED] = lambda: self.SBC(self.absolute_mode())
|
||||
self.ops[0xEE] = lambda: self.INC(self.absolute_mode())
|
||||
self.ops[0xF0] = lambda: self.BEQ(self.relative_mode())
|
||||
self.ops[0xF1] = lambda: self.SBC(self.indirect_y_mode())
|
||||
self.ops[0xF5] = lambda: self.SBC(self.zero_page_x_mode())
|
||||
self.ops[0xF6] = lambda: self.INC(self.zero_page_x_mode())
|
||||
self.ops[0xF8] = lambda: self.SED()
|
||||
self.ops[0xF9] = lambda: self.SBC(self.absolute_y_mode())
|
||||
self.ops[0xFD] = lambda: self.SBC(self.absolute_x_mode())
|
||||
self.ops[0xFE] = lambda: self.INC(self.absolute_x_mode(rmw=True))
|
||||
|
||||
|
||||
|
||||
def usage():
|
||||
print >> sys.stderr, "ApplePy - an Apple ][ emulator in Python"
|
||||
print >> sys.stderr, "James Tauber / http://jtauber.com/"
|
||||
print >> sys.stderr
|
||||
print >> sys.stderr, "Usage: cpu6502.py [options]"
|
||||
print >> sys.stderr
|
||||
print >> sys.stderr, " -b, --bus Bus port number"
|
||||
print >> sys.stderr, " -p, --pc Initial PC value"
|
||||
print >> sys.stderr, " -R, --rom ROM file to use (default A2ROM.BIN)"
|
||||
print >> sys.stderr, " -r, --ram RAM file to load (default none)"
|
||||
sys.exit(1)
|
||||
|
||||
|
||||
def get_options():
|
||||
class Options:
|
||||
def __init__(self):
|
||||
self.rom = "d32.rom"
|
||||
self.ram = None
|
||||
self.bus = None
|
||||
self.pc = None
|
||||
|
||||
options = Options()
|
||||
a = 1
|
||||
while a < len(sys.argv):
|
||||
if sys.argv[a].startswith("-"):
|
||||
if sys.argv[a] in ("-b", "--bus"):
|
||||
a += 1
|
||||
options.bus_port = int(sys.argv[a])
|
||||
elif sys.argv[a] in ("-p", "--pc"):
|
||||
a += 1
|
||||
options.pc = int(sys.argv[a])
|
||||
elif sys.argv[a] in ("-R", "--rom"):
|
||||
a += 1
|
||||
options.rom = sys.argv[a]
|
||||
elif sys.argv[a] in ("-r", "--ram"):
|
||||
a += 1
|
||||
options.ram = sys.argv[a]
|
||||
else:
|
||||
usage()
|
||||
else:
|
||||
usage()
|
||||
a += 1
|
||||
|
||||
return options
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
options = get_options()
|
||||
if options.bus_port is None:
|
||||
print "Dragon 32 cpu core"
|
||||
print "Run dragonpy.py instead"
|
||||
sys.exit(0)
|
||||
|
||||
cfg = Dragon32Config()
|
||||
|
||||
bus = socket.socket()
|
||||
bus_address = (cfg.LOCAL_HOST_IP, options.bus_port)
|
||||
print "bus I/O connect to %s" % repr(bus_address)
|
||||
bus.connect(bus_address)
|
||||
|
||||
mem = Memory(cfg, bus, RAM, ROM, options)
|
||||
|
||||
cpu = CPU6502(cfg, bus, options, mem, Disassemble6809)
|
||||
cpu.run()
|
||||
40
Dragon32/dragon32config.py
Normal file
40
Dragon32/dragon32config.py
Normal file
@ -0,0 +1,40 @@
|
||||
from generic.generic_config import BaseConfig
|
||||
|
||||
class Dragon32Config(BaseConfig):
|
||||
"""
|
||||
FIXME: Wrong values here?
|
||||
|
||||
|
||||
max Memory is 64KB ($FFFF Bytes)
|
||||
|
||||
32 kB RAM ($0000-$7FFF)
|
||||
16 kB ROM ($8000-$BFFF)
|
||||
~16 kB free/reseved ($C000-$FEFF)
|
||||
$FF00-$FFFF 6883-SAM / PIA
|
||||
"""
|
||||
# Memory
|
||||
RAM_START = 0x0000
|
||||
RAM_SIZE = 0x7FFF
|
||||
RAM_END = RAM_START + RAM_SIZE
|
||||
|
||||
ROM_START = 0x8000
|
||||
ROM_SIZE = 0x4000
|
||||
ROM_END = ROM_START + ROM_SIZE
|
||||
|
||||
# CPU
|
||||
STACK_PAGE = 0x100
|
||||
# RESET_VECTOR = 0xb44f
|
||||
RESET_VECTOR = 0xB3B4
|
||||
# RESET_VECTOR = 0xfffe
|
||||
|
||||
HTTPSERVER_PORT = 6809
|
||||
|
||||
CPU_MODULE = "Dragon32.cpu6809"
|
||||
|
||||
KEY_LEFT = 0x08 # ???
|
||||
KEY_RIGHT = 0x15 # ???
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
cfg = Dragon32Config()
|
||||
cfg.print_debug_info()
|
||||
26
Dragon32/dragon32memory.py
Normal file
26
Dragon32/dragon32memory.py
Normal file
@ -0,0 +1,26 @@
|
||||
|
||||
"""
|
||||
TODO: Just a copy of apple2memory.py yet :(
|
||||
"""
|
||||
|
||||
from generic.base_memory import MemoryBase, ROMBase, RAMBase
|
||||
|
||||
class ROM(ROMBase):
|
||||
pass
|
||||
|
||||
class RAM(RAMBase):
|
||||
pass
|
||||
|
||||
class Memory(MemoryBase):
|
||||
|
||||
def read_word_bug(self, cycle, address):
|
||||
if address % 0x100 == 0xFF:
|
||||
return self.read_byte(cycle, address) + (self.read_byte(cycle + 1, address & 0xFF00) << 8)
|
||||
else:
|
||||
return self.read_word(cycle, address)
|
||||
|
||||
def write_byte(self, cycle, address, value):
|
||||
if address < self.cfg.RAM_SIZE:
|
||||
self.ram.write_byte(address, value)
|
||||
if 0x400 <= address < 0x800 or 0x2000 <= address < 0x5FFF:
|
||||
self.bus_write(cycle, address, value)
|
||||
@ -1,3 +1,4 @@
|
||||
|
||||
from generic.generic_config import BaseConfig
|
||||
|
||||
|
||||
@ -17,7 +18,13 @@ class Apple2Config(BaseConfig):
|
||||
|
||||
HTTPSERVER_PORT = 6502
|
||||
|
||||
CPU_MODULE = "apple2.cpu6502"
|
||||
|
||||
KEY_LEFT = 0x08
|
||||
KEY_RIGHT = 0x15
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
cfg = Apple2Config()
|
||||
cfg.print_debug_info()
|
||||
print "CPU script:", cfg.get_cpu_script()
|
||||
|
||||
@ -16,7 +16,7 @@ from generic.cpu import BaseCPU
|
||||
from generic.disassembler import BaseDisassemble
|
||||
|
||||
|
||||
class Disassemble6502(BaseDisassemble):
|
||||
class Disassemble6809(BaseDisassemble):
|
||||
def setup_ops(self):
|
||||
self.ops = [(1, "???")] * 0x100
|
||||
self.ops[0x00] = (1, "BRK", )
|
||||
@ -400,5 +400,5 @@ if __name__ == "__main__":
|
||||
|
||||
mem = Memory(cfg, bus, RAM, ROM, options)
|
||||
|
||||
cpu = CPU6502(cfg, bus, options, mem, Disassemble6502)
|
||||
cpu = CPU6502(cfg, bus, options, mem, Disassemble6809)
|
||||
cpu.run()
|
||||
|
||||
80
applepy.py
80
applepy.py
@ -17,6 +17,7 @@ import wave
|
||||
import os
|
||||
|
||||
from apple2.apple2config import Apple2Config
|
||||
from generic.base_machine import BaseMachine
|
||||
|
||||
|
||||
class Display:
|
||||
@ -365,81 +366,10 @@ class SoftSwitches:
|
||||
return 0x00
|
||||
|
||||
|
||||
class Apple2:
|
||||
class Apple2(BaseMachine):
|
||||
pass
|
||||
|
||||
def __init__(self, cfg, options, display, speaker, cassette):
|
||||
self.cfg = cfg
|
||||
self.display = display
|
||||
self.speaker = speaker
|
||||
self.softswitches = SoftSwitches(display, speaker, cassette)
|
||||
|
||||
listener = socket.socket()
|
||||
listener.bind((self.cfg.LOCAL_HOST_IP, 0))
|
||||
listener.listen(0)
|
||||
bus_port = listener.getsockname()[1]
|
||||
|
||||
print "bus I/O listen on %s:%s" % (self.cfg.LOCAL_HOST_IP, bus_port)
|
||||
|
||||
args = [
|
||||
sys.executable,
|
||||
os.path.join("apple2", "cpu6502.py"),
|
||||
"--bus", str(bus_port),
|
||||
"--rom", options.rom,
|
||||
]
|
||||
if options.ram:
|
||||
args.extend([
|
||||
"--ram", options.ram,
|
||||
])
|
||||
if options.pc is not None:
|
||||
args.extend([
|
||||
"--pc", str(options.pc),
|
||||
])
|
||||
self.core = subprocess.Popen(args)
|
||||
|
||||
rs, _, _ = select.select([listener], [], [], 2)
|
||||
if not rs:
|
||||
print >> sys.stderr, "CPU module did not start '%s'" % " ".join(args)
|
||||
sys.exit(1)
|
||||
self.cpu, _ = listener.accept()
|
||||
|
||||
def run(self):
|
||||
sys.stdout.flush()
|
||||
update_cycle = 0
|
||||
quit = False
|
||||
while not quit:
|
||||
op = self.cpu.recv(8)
|
||||
if len(op) == 0:
|
||||
break
|
||||
cycle, rw, addr, val = struct.unpack("<IBHB", op)
|
||||
if rw == 0:
|
||||
self.cpu.send(chr(self.softswitches.read_byte(cycle, addr)))
|
||||
elif rw == 1:
|
||||
self.display.update(addr, val)
|
||||
else:
|
||||
break
|
||||
|
||||
for event in pygame.event.get():
|
||||
if event.type == pygame.QUIT:
|
||||
quit = True
|
||||
|
||||
if event.type == pygame.KEYDOWN:
|
||||
key = ord(event.unicode) if event.unicode else 0
|
||||
if event.key == pygame.K_LEFT:
|
||||
key = 0x08
|
||||
if event.key == pygame.K_RIGHT:
|
||||
key = 0x15
|
||||
if key:
|
||||
if key == 0x7F:
|
||||
key = 0x08
|
||||
self.softswitches.kbd = 0x80 + (key & 0x7F)
|
||||
|
||||
update_cycle += 1
|
||||
if update_cycle >= 1024:
|
||||
self.display.flash()
|
||||
pygame.display.flip()
|
||||
if self.speaker:
|
||||
self.speaker.update(cycle)
|
||||
update_cycle = 0
|
||||
|
||||
|
||||
def usage():
|
||||
@ -500,5 +430,7 @@ if __name__ == "__main__":
|
||||
speaker = None if options.quiet else Speaker()
|
||||
cassette = Cassette(options.cassette) if options.cassette else None
|
||||
|
||||
apple = Apple2(cfg, options, display, speaker, cassette)
|
||||
softswitches = SoftSwitches(display, speaker, cassette)
|
||||
|
||||
apple = Apple2(cfg, options, display, speaker, softswitches)
|
||||
apple.run()
|
||||
|
||||
40
dragonpy.py
Normal file
40
dragonpy.py
Normal file
@ -0,0 +1,40 @@
|
||||
"""
|
||||
=== Dragon 32 emulator in Python
|
||||
|
||||
Some links:
|
||||
|
||||
* http://www.burgins.com/m6809.html
|
||||
* http://dragondata.worldofdragon.org/Publications/inside-dragon.htm
|
||||
* http://mamedev.org/source/src/mess/drivers/dragon.c.html
|
||||
* http://mamedev.org/source/src/mess/machine/dragon.c.html
|
||||
* http://koti.mbnet.fi/~atjs/mc6809/
|
||||
* http://www.colorcomputerarchive.com/coco/Documents/Manuals/Programming/6502-6809Translator%20%28Computer%20Systems%20Consultants%29.pdf
|
||||
|
||||
Dragon 32 resources:
|
||||
|
||||
* Forum: http://archive.worldofdragon.org/phpBB3/index.php
|
||||
* Wiki: http://archive.worldofdragon.org/index.php?title=Main_Page
|
||||
|
||||
Dragon 32 Emulator that works:
|
||||
|
||||
* http://archive.worldofdragon.org/index.php?title=Emulation
|
||||
"""
|
||||
|
||||
from applepy import get_options, Display
|
||||
from Dragon32.dragon32config import Dragon32Config
|
||||
from generic.base_machine import BaseMachine
|
||||
|
||||
|
||||
class Dragon32(BaseMachine):
|
||||
pass
|
||||
|
||||
if __name__ == "__main__":
|
||||
cfg = Dragon32Config()
|
||||
|
||||
options = get_options()
|
||||
display = Display()
|
||||
speaker = None
|
||||
cassette = None
|
||||
|
||||
apple = Dragon32(cfg, options, display, speaker, cassette)
|
||||
apple.run()
|
||||
85
generic/base_machine.py
Normal file
85
generic/base_machine.py
Normal file
@ -0,0 +1,85 @@
|
||||
import socket
|
||||
import sys
|
||||
import subprocess
|
||||
import select
|
||||
import struct
|
||||
import pygame
|
||||
|
||||
|
||||
class BaseMachine(object):
|
||||
def __init__(self, cfg, options, display, speaker, softswitches):
|
||||
self.cfg = cfg
|
||||
self.display = display
|
||||
self.speaker = speaker
|
||||
self.softswitches = softswitches
|
||||
|
||||
|
||||
listener = socket.socket()
|
||||
listener.bind((self.cfg.LOCAL_HOST_IP, 0))
|
||||
listener.listen(0)
|
||||
bus_port = listener.getsockname()[1]
|
||||
|
||||
print "bus I/O listen on %s:%s" % (self.cfg.LOCAL_HOST_IP, bus_port)
|
||||
|
||||
cpu_script = cfg.get_cpu_script()
|
||||
|
||||
args = [
|
||||
sys.executable,
|
||||
cpu_script,
|
||||
"--bus", str(bus_port),
|
||||
"--rom", options.rom,
|
||||
]
|
||||
if options.ram:
|
||||
args.extend([
|
||||
"--ram", options.ram,
|
||||
])
|
||||
if options.pc is not None:
|
||||
args.extend([
|
||||
"--pc", str(options.pc),
|
||||
])
|
||||
self.core = subprocess.Popen(args)
|
||||
|
||||
rs, _, _ = select.select([listener], [], [], 2)
|
||||
if not rs:
|
||||
print >> sys.stderr, "CPU module did not start '%s'" % " ".join(args)
|
||||
sys.exit(1)
|
||||
self.cpu, _ = listener.accept()
|
||||
|
||||
def run(self):
|
||||
sys.stdout.flush()
|
||||
update_cycle = 0
|
||||
quit = False
|
||||
while not quit:
|
||||
op = self.cpu.recv(8)
|
||||
if len(op) == 0:
|
||||
break
|
||||
cycle, rw, addr, val = struct.unpack("<IBHB", op)
|
||||
if rw == 0:
|
||||
self.cpu.send(chr(self.softswitches.read_byte(cycle, addr)))
|
||||
elif rw == 1:
|
||||
self.display.update(addr, val)
|
||||
else:
|
||||
break
|
||||
|
||||
for event in pygame.event.get():
|
||||
if event.type == pygame.QUIT:
|
||||
quit = True
|
||||
|
||||
if event.type == pygame.KEYDOWN:
|
||||
key = ord(event.unicode) if event.unicode else 0
|
||||
if event.key == pygame.K_LEFT:
|
||||
key = self.cfg.KEY_LEFT
|
||||
if event.key == pygame.K_RIGHT:
|
||||
key = self.cfg.KEY_RIGHT
|
||||
if key:
|
||||
if key == 0x7F:
|
||||
key = self.cfg.KEY_LEFT
|
||||
self.softswitches.kbd = 0x80 + (key & 0x7F)
|
||||
|
||||
update_cycle += 1
|
||||
if update_cycle >= 1024:
|
||||
self.display.flash()
|
||||
pygame.display.flip()
|
||||
if self.speaker:
|
||||
self.speaker.update(cycle)
|
||||
update_cycle = 0
|
||||
101
generic/disassembler.py
Normal file
101
generic/disassembler.py
Normal file
@ -0,0 +1,101 @@
|
||||
from generic.cpu import signed
|
||||
|
||||
|
||||
class BaseDisassemble(object):
|
||||
def __init__(self, cpu, memory):
|
||||
self.cpu = cpu
|
||||
self.memory = memory
|
||||
|
||||
self.setup_ops()
|
||||
|
||||
def absolute_mode(self, pc):
|
||||
a = self.cpu.read_word(pc + 1)
|
||||
return {
|
||||
"operand": "$%04X" % a,
|
||||
"memory": [a, 2, self.cpu.read_word(a)],
|
||||
}
|
||||
|
||||
def absolute_x_mode(self, pc):
|
||||
a = self.cpu.read_word(pc + 1)
|
||||
e = a + self.cpu.x_index
|
||||
return {
|
||||
"operand": "$%04X,X" % a,
|
||||
"memory": [e, 1, self.cpu.read_byte(e)],
|
||||
}
|
||||
|
||||
def absolute_y_mode(self, pc):
|
||||
a = self.cpu.read_word(pc + 1)
|
||||
e = a + self.cpu.y_index
|
||||
return {
|
||||
"operand": "$%04X,Y" % a,
|
||||
"memory": [e, 1, self.cpu.read_byte(e)],
|
||||
}
|
||||
|
||||
def immediate_mode(self, pc):
|
||||
return {
|
||||
"operand": "#$%02X" % (self.cpu.read_byte(pc + 1)),
|
||||
}
|
||||
|
||||
def indirect_mode(self, pc):
|
||||
a = self.cpu.read_word(pc + 1)
|
||||
return {
|
||||
"operand": "($%04X)" % a,
|
||||
"memory": [a, 2, self.cpu.read_word(a)],
|
||||
}
|
||||
|
||||
def indirect_x_mode(self, pc):
|
||||
z = self.cpu.read_byte(pc + 1)
|
||||
a = self.cpu.read_word((z + self.cpu.x_index) % 0x100)
|
||||
return {
|
||||
"operand": "($%02X,X)" % z,
|
||||
"memory": [a, 1, self.cpu.read_byte(a)],
|
||||
}
|
||||
|
||||
def indirect_y_mode(self, pc):
|
||||
z = self.cpu.read_byte(pc + 1)
|
||||
a = self.cpu.read_word(z) + self.cpu.y_index
|
||||
return {
|
||||
"operand": "($%02X),Y" % z,
|
||||
"memory": [a, 1, self.cpu.read_byte(a)],
|
||||
}
|
||||
|
||||
def relative_mode(self, pc):
|
||||
return {
|
||||
"operand": "$%04X" % (pc + signed(self.cpu.read_byte(pc + 1) + 2)),
|
||||
}
|
||||
|
||||
def zero_page_mode(self, pc):
|
||||
a = self.cpu.read_byte(pc + 1)
|
||||
return {
|
||||
"operand": "$%02X" % a,
|
||||
"memory": [a, 1, self.cpu.read_byte(a)],
|
||||
}
|
||||
|
||||
def zero_page_x_mode(self, pc):
|
||||
z = self.cpu.read_byte(pc + 1)
|
||||
a = (z + self.cpu.x_index) % 0x100
|
||||
return {
|
||||
"operand": "$%02X,X" % z,
|
||||
"memory": [a, 1, self.cpu.read_byte(a)],
|
||||
}
|
||||
|
||||
def zero_page_y_mode(self, pc):
|
||||
z = self.cpu.read_byte(pc + 1)
|
||||
a = (z + self.cpu.y_index) % 0x100
|
||||
return {
|
||||
"operand": "$%02X,Y" % z,
|
||||
"memory": [a, 1, self.cpu.read_byte(a)],
|
||||
}
|
||||
|
||||
def disasm(self, pc):
|
||||
op = self.cpu.read_byte(pc)
|
||||
info = self.ops[op]
|
||||
r = {
|
||||
"address": pc,
|
||||
"bytes": [self.cpu.read_byte(pc + i) for i in range(info[0])],
|
||||
"mnemonic": info[1],
|
||||
}
|
||||
if len(info) > 2:
|
||||
r.update(info[2](pc))
|
||||
return r, info[0]
|
||||
|
||||
@ -1,9 +1,19 @@
|
||||
import inspect
|
||||
import importlib
|
||||
import os
|
||||
|
||||
|
||||
class BaseConfig(object):
|
||||
LOCAL_HOST_IP = "127.0.0.1"
|
||||
|
||||
def get_cpu_script(self):
|
||||
cpu_module = importlib.import_module(self.CPU_MODULE)
|
||||
cpu_module_path = cpu_module.__file__
|
||||
|
||||
# FIXME: Use .py instead of .pyc (if exist)
|
||||
cpu_module_path = os.path.splitext(cpu_module_path)[0] + ".py"
|
||||
|
||||
return cpu_module_path
|
||||
|
||||
def print_debug_info(self):
|
||||
print "Config: '%s'" % self.__class__.__name__
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user