64 lines
1003 B
Markdown
64 lines
1003 B
Markdown
---
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title: MOS 6502 Microprocessor
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last_updated: '2022-09-29T02:41:26.738Z'
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---
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<table>
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<tr>
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<td>Name</td>
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<td>6502</td>
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</tr>
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<tr>
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<td>Introduced</td>
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<td>1975</td>
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</tr>
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<tr>
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<td>Data Width</td>
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<td>8-bit</td>
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</tr>
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<tr>
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<td>Address Width</td>
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<td>16-bit</td>
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</tr>
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<tr>
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<td>Endianness</td>
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<td>Little</td>
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</tr>
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<tr>
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<td>Registers</td>
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<td>8-bit A, X, Y, Stack. 16-bit PC</td>
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</tr>
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<tr>
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<td>Package</td>
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<td>40-pin DIP</td>
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</tr>
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<tr>
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<td>Instruction Count</td>
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<td> 56</td>
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</tr>
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</table>
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## Addressing Modes
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- Implied
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- Immediate
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- Absolute
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- Indexed Absolute
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- Indexed Zero-Page
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- Relative
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- Accumulator
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- Indirect, X
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- Indirect, Y
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## Docs
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- [westerndesigncenter.com: WDC W65C02S NMOS Variant](https://www.westerndesigncenter.com/wdc/documentation/w65c02s.pdf)
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- [6502.org: collection of 6502 resources](http://6502.org/)
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## Notable Usage (includes variants)
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- Nintendo Entertainment System
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- Atari 2600
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- Apple II
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- Commodore 64
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- BBC Micro
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