2020-06-01 14:19:55 +00:00
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# VM Implementation
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We have 8 segments:
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- `argument`
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- `local`
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- `this/that`
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- `pointer`
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- `static` (shared)
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- `constant` (shared)
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- `temp` (shared)
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RAM Address | Usage
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2020-07-07 07:06:12 +00:00
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------------|------------------
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2020-06-01 14:19:55 +00:00
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0-15 | Virtual Registers
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16-255 | Static Variables (shared)
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256-2047 | Stack
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2048-16384 | Heap
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16384-24575 | Memory mapped I/O
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Register | Name | Usage
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2020-07-07 07:06:12 +00:00
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----------|--------|------
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2020-06-01 14:19:55 +00:00
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`RAM[0]` | `SP` | Stack Pointer
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`RAM[1]` | `LCL` | `local`
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`RAM[1]` | `ARG` | `argument`
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`RAM[3]` | `THIS` | `this`
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`RAM[4]` | `THAT` | `that`
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RAM[5-12] | `temp` Segment
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RAM[13-15]| General Purpose Registers
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