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# -*- coding:utf-8 -*-
import os
import time
import traceback
import numpy
from threading import Thread
from x6502 import X6502
DEBUG = 1
DISPLAY_WIDTH = 160
DISPLAY_HEIGHT = 96
DISPLAY_SCALE = 4
DISPLAY_FILL = 0x000000
DISPLAY_EMPTY = 0xFFFFFF
class BA4988(Thread):
def __init__(self):
super().__init__()
self.isRunning = False
self.display = numpy.zeros((DISPLAY_WIDTH*DISPLAY_SCALE, DISPLAY_HEIGHT*DISPLAY_SCALE))
self.bank_mapping = [0x0000]*0x10
# self.bank_mapping = [0x0000,
# 0x0001, 0x0002, 0x0003, 0x0004,
# 0x0E9C, 0x0E9D, 0x0E9E, 0x0E9F,
# # 0x0EA0, 0x0EA1, 0x0EA2, 0x0EA3,
# 0x0E80, 0x0E81, 0x0E82, 0x0E83,
# 0x0E88, 0x0E89, 0x0E8A]
font_path = os.path.join('data', 'FONT.ROM')
f = open(font_path, 'rb')
self.font = f.read()
f.close()
self.memory = bytearray(0x1001)
image_path = os.path.join('data', 'BA4988.DAT')
f = open(image_path, 'rb')
content = f.read()
f.close()
# 复制boot部分
self.memory[0x300:0x400] = bytearray(content[0x300:0x400])
self.flash = bytearray(0x10000000) # 256MB
self.banks = [0x0000, 0xFFFC,
0x0200, 0x0204, 0x0208, 0x020C,
0x03F0, 0x03F4, 0x03F8, 0x03FC,
0x0E80, 0x0E84, 0x0E88, 0x0E8C,
0x0E90, 0x0E94, 0x0E98, 0x0E9C,
0x0EA0, 0x0EA4, 0x0EA8, 0x0EAC,
0x0EB0, 0x0EB4, 0x0EB8, 0x0EBC,
0x0EC0, 0x0EC4, 0x0EC8, 0x0ECC,
0x0ED0, 0x0ED4, 0x0ED8, 0x0EDC,
0x0EE0, 0x0EE4, 0x0EE8, 0x0EEC,
0x0EF0, 0x0EF4, 0x0EF8, 0x0EFC,
0x0F00, 0x0F04, 0x0F08, 0x0F0C,
0x0F10, 0x0F14, 0x0F18, 0x0F1C,
0x0F20, 0x0F24, 0x0F28, 0x0F2C,
0x0F40, 0x0F44, 0x0F48, 0x0F4C,
0x0F80, 0x0F84, 0x0F88, 0x0F8C]
# image_path = 'test.bin'
# f = open(image_path, 'rb')
# content = f.read()
# f.close()
# self.memory[0x300:0x400] = content[0xFFF00:0x100000]
for bank in self.banks:
# if bank == 0x0001:
# image_path = os.path.join('data', 'BA4988.DAT')
# f = open(image_path, 'rb')
# content = f.read()
# f.close()
# self.flash[0x1000:0x5000] = content[0x1000:0x5000]
# continue
if not os.path.isfile(os.path.join('data', '{:04X}.DAT'.format(bank))):
print('not found {:04X}.DAT'.format(bank))
continue
f = open(os.path.join('data', '{:04X}.DAT'.format(bank)), 'rb')
content = f.read()
f.close()
self.flash[bank<<12:(bank<<12)+len(content)] = content
self.x6502 = X6502(self.getPhysicalAddress, self.RdMem, self.WrMem)
self.x6502.PC = 0x0350 # system entry point
# self.x6502.PC = 0x6FA2 # SysStart
# self.x6502.PC = 0xE907 # void DataBankSwitch(U8 logicStartBank,U8 bankNumber,U16 physicalStartBank);
# self.x6502.PC = 0xE90A # void GetDataBankNumber(U8 logicStartBank,U16* physicalBankNumber);
# self.x6502.PC = 0xD2F6 # __banked_function_call
# self.x6502.PC = 0xE8F8 # _get_current_bank_number
# self.x6502.PC = 0xE8FB # _switch_bank_number
# self.x6502.PC = 0xE8FE # _restore_bank_number
# self.x6502.PC = 0xE90D # SysWriteCom
# self.x6502.PC = 0xE910 # SysReadCom
# self.x6502.PC = 0x5046 # application enter point
# self.x6502.PC = 0xf8cf
def setIRQ(self, addr):
self.x6502.setIRQ(addr)
def getPhysicalAddress(self, addr):
return (self.bank_mapping[addr>>12]<<12)+(addr&0xFFF)
def RdMem(self, addr, direct=False):
# if addr in (0x00, 0x01, 0x02, 0x03): # _DATA1 _DATA2 _DATA3 _DATA4
# font_addr = self.memory[0x208+addr*3]+(self.memory[0x208+addr*3+1]<<8)+(self.memory[0x208+addr*3+2]<<16)-0x800000
# if not direct:
# self.memory[0x208+addr*3] = (self.memory[0x208+addr*3]+1)&0xFF
# if self.memory[0x208+addr*3] == 0:
# self.memory[0x208+addr*3+1] = (self.memory[0x208+addr*3+1]+1)&0xFF
# if self.memory[0x208+addr*3+1] == 0:
# self.memory[0x208+addr*3+2] = (self.memory[0x208+addr*3+2]+1)&0xFF
# self.memory[addr] = self.font[font_addr]
# return self.font[font_addr]
if addr < 0x300:
return self.memory[addr]
elif addr < 0x400:
return self.memory[addr]
elif addr < 0x1000:
return self.memory[addr]
elif addr < 0x10000:
if 0x5000 <= addr < 0xD000 and self.bank_mapping[addr>>12]&0xFFFC not in self.banks:
raise RuntimeError('[0x{:04X}]mapping error!'.format(addr>>12))
flash_addr = (self.bank_mapping[addr>>12]<<12)+(addr&0xFFF)
return self.flash[flash_addr]
raise RuntimeError('address: 0x{:04X} is exceed 0xFFFF'.format(addr))
def WrMem(self, addr, data):
data &= 0xFF
# if addr in (0x00, 0x01, 0x02, 0x03): # _DATA1 _DATA2 _DATA3 _DATA4
# font_addr = self.memory[0x208+addr*3]+(self.memory[0x208+addr*3+1]<<8)+(self.memory[0x208+addr*3+2]<<16)-0x800000
# self.memory[0x208+addr*3] = (self.memory[0x208+addr*3]+1)&0xFF
# if self.memory[0x208+addr*3] == 0:
# self.memory[0x208+addr*3+1] = (self.memory[0x208+addr*3+1]+1)&0xFF
# if self.memory[0x208+addr*3+1] == 0:
# self.memory[0x208+addr*3+2] = (self.memory[0x208+addr*3+2]+1)&0xFF
# self.font[font_addr] = data
if addr < 0x300:
self.memory[addr] = data
if addr == 0x08:
print('SysWriteCom:', hex(data))
self.memory[0x09] |= 0x20
elif addr == 0x0C: # _BK_SEL
self.memory[0x0D] = self.bank_mapping[data]&0xFF
self.memory[0x0E] = self.bank_mapping[data]>>8
elif addr == 0x0D: # _BK_ADRL
self.bank_mapping[self.memory[0x0C]] = (self.bank_mapping[self.memory[0x0C]]&0xFF00) + data
elif addr == 0x0E: # _BK_ADRH
self.bank_mapping[self.memory[0x0C]] = (self.bank_mapping[self.memory[0x0C]]&0x00FF) + (data<<8)
elif addr == 0x200: # _SYSCON
while data&0x08 and not self.x6502.IRQ_PC:
time.sleep(0.01)
elif addr < 0x400:
pass
elif addr <= 0x1000:
# print(f'W {addr:04X}: {data:02X}')
self.memory[addr] = data
if addr & 0x1F == 0x13:
x = 0
if addr < 0x0C20:
y = (0x0C13-addr)//0x20
elif addr < 0x0FE0:
y = 66+(addr-0x0C33)//0x20
else:
y = 65
elif addr == 0x1000:
y=65
x=1
else:
if addr < 0x0C40:
y = (0x0C3F-addr)//0x20
x = (addr%0x20)+1
else:
y = 66+(addr-0x0C40)//0x20
x = (addr%0x20)+1
for i in range(8):
if data & (0x80 >> i):
self.display[(x*8+i)*DISPLAY_SCALE:(x*8+i+1)*DISPLAY_SCALE,
y*DISPLAY_SCALE:(y+1)*DISPLAY_SCALE] = DISPLAY_FILL
else:
self.display[(x*8+i)*DISPLAY_SCALE:(x*8+i+1)*DISPLAY_SCALE,
y*DISPLAY_SCALE:(y+1)*DISPLAY_SCALE] = DISPLAY_EMPTY
elif addr < 0x10000:
if 0x5000 <= addr < 0xD000 and self.bank_mapping[addr>>12]&0xFFFC not in self.banks:
raise RuntimeError('[0x{:04X}]mapping error!'.format(addr>>12))
flash_addr = (self.bank_mapping[addr>>12]<<12)+(addr&0xFFF)
self.flash[flash_addr] = data
else:
raise RuntimeError('address: 0x{:04X} is exceed 0xFFFF'.format(addr))
def run(self) -> None:
self.isRunning = True
while self.isRunning:
try:
if self.x6502.run():
break
except Exception as e:
traceback.print_exc()
break
if self.x6502.PC <= 0x0000 or self.x6502.PC >=0x10000:
print('PC: {:04X}'.format(self.x6502.PC))
break
print(', '.join(['0x{:04X}'.format(bank) for bank in self.bank_mapping]))
print('PC: {:04X}'.format(self.x6502.PC))
print(f'__stack_ptr: {mcu.memory[0x29]:02X}{mcu.memory[0x28]:02X}')
def stop(self):
self.isRunning = False
# - 0x0C40
if __name__ == '__main__':
mcu = BA4988()
# mcu.bank_mapping = [
# 0x0000, 0x0001, 0x0002, 0x0003, 0x0004,
# 0x0E84, 0x0E85, 0x0E86, 0x0E87,
# 0x0E80, 0x0E81, 0x0E82, 0x0E83,
# 0x0E88, 0x0E89, 0x0E8A
# ]
# mcu.memory[0x28] = 0xD4
# mcu.memory[0x29] = 0x17
# mcu.x6502.PC = 0x549B
# mcu.bank_mapping = [
# 0x0000, 0x0001, 0x0002, 0x0003, 0x0004,
# 0x0E9C, 0x0E9D, 0x0E9E, 0x0E9F,
# 0x0E80, 0x0E81, 0x0E82, 0x0E83,
# 0x0E88, 0x0E89, 0x0E8A
# ]
# mcu.memory[0x28] = 0xd7
# mcu.memory[0x29] = 0x17
# mcu.x6502.PC = 0x72F2
mcu.x6502.print_layers = 1000
mcu.run()
# print('x\ty\tdata\t3B\t3A\t*3A\t\t39\t38\t*38')
# for x in range(8, 9):
# for y in range(64, 66):
# for data in [1]:
# mcu = BA4988()
# mcu.x6502.PC = 0x852A # SysPutPixel
# mcu.x6502.A = x # x
# mcu.flash[0x17AF] = y # y
# mcu.flash[0x17B0] = data # data
# mcu.run()
# print('{}\t{}\t{}\t\t{:02X}\t{:02X}\t{:02X}\t\t{:02X}\t{:02X}\t{:02X}'.format(
# x, y, data,
# mcu.memory[0x3B], mcu.memory[0x3A],
# mcu.memory[(mcu.memory[0x3B]<<8)+mcu.memory[0x3A]],
# mcu.memory[0x39], mcu.memory[0x38],
# mcu.memory[(mcu.memory[0x39]<<8)+mcu.memory[0x38]]
# ))
# print('{:02X}{:02X}\t{:02X}\t{:02X}{:02X}'.format(
# mcu.memory[0x3FC], mcu.memory[0x3FB],
# mcu.memory[0x3FA],
# mcu.memory[0x3F9], mcu.memory[0x3F8]))
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