83 lines
2.1 KiB
Markdown
83 lines
2.1 KiB
Markdown
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# HateLace - A Simple Computer
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```mermaid
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classDiagram
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class Computer {
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- Memory memory
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- Program program
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+ Computer(Memory Memory)
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+ void load(Program program)
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+ void run()
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}
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class Memory {
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+ abstract Word read(Address address)
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+ abstract int size()
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+ abstract void write(Address address, Word data)
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+ abstract void dump()
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}
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class ProgramCounter {
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- int PC
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- int SysTick
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- boolean haltFlag
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+ ProgramCounter()
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+ ProgramCounter(int PC)
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+ int getPC()
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+ int getSysTicks()
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+ int incPC()
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+ int setPC(int PC)
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+ boolean halted()
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+ void halt()
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}
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class Program
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class Instruction {
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+ abstract void execute(Memory memory, ProgramCounter pc)
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# abstract String opcode()
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# abstract Object[] operands()
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+ abstract String toString()
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}
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class ArrayList
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class Word {
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+ abstract <T> T getValue()
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+ abstract Word add(Word other)
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+ abstract Word subtract(Word other)
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+ abstract Word multiply(Word other)
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+ abstract Word divide(Word other)
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+ abstract String toString()
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+ abstract boolean equals(Object other)
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}
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class Address {
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- int address
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+ Address(int address)
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+ int getAddress()
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+ String toString()
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}
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class LongWord {
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- Long value
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+ LongWord(Long value)
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+ Long getValue()
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+ Word add(Word other)
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+ Word subtract(Word other)
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+ Word multiply(Word other)
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+ Word divide(Word other)
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+ String toString()
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+ boolean equals(Object other)
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}
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class LongMemory {
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- long[] memory
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+ LongMemory()
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+ LongMemory(int size)
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+ Word read(Address address)
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+ int size()
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+ void write(Address address, Word data)
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+ void dump()
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}
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Memory <|-- LongMemory
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Word <|-- LongWord
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Program <-- ArrayList
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Program --|> Instruction
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Program : +toString()
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Computer --> Memory
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Computer --> Program
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Computer --> ProgramCounter
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```
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