18 lines
461 B
Markdown
18 lines
461 B
Markdown
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## ISA
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### Most instructions follow this format
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| 6bit | 1bit | 1bit | 2bit | 3bit | 3bit |
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| ----- | --------- | ---- | --------------- | ------------ | ---- |
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| OpCod | Direction | Size | Addressing mode | Register ID | Specific addressign mode|
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| Register ID | Register Name|
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|:-------------:|:-------------:|
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|0 0 0 |AL AX|
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|0 0 1 |CL CX|
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|0 1 0 |DL DX|
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|0 1 1 |BL BX|
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|1 0 0 |AH SP|
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|1 0 1 |CH BP|
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|1 1 0 |DH SI|
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|1 1 1 |BH DI|
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