26、计算机模拟器与树莓派入门

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最新推荐文章于 2025-09-15 13:30:13 发布

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分类专栏：用Python玩转计算机架构文章标签： TC4模拟器树莓派 ARM处理器

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计算机模拟器与树莓派入门

1. TC4模拟器示例

TC4是一个有趣的模拟器示例，其代码如下：

r[rD] = alu(rDc,1,2)
if op == 0b0000011:  # PRT r0 displays the ASCII character in register r0  See 11
    character = chr(r[rD])
    print(character)
if op == 0b0000000:  # STOP
    run = 0
# END OF CODE EXECUTION Deal with display
if bActive ==1:  # Are breakpoints active?
    if src[pcOld][0] in bPt:  # If the current label or mnemonic is in the table
        display()  # display the data
    if str(pcOld) in bPt:  # If the current PC (i.e., pcOld) is in the table display
        display()
if trace == 1:  # If in trace mode, display registers
    x = input('<< ')  # Wait for keyboard entry (any key will do)
    display()  # then display current operation
elif bActive