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Update SplitBit Programming Manual.md

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Improved description of POPP instruction.
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Anachronaut
2024-10-18 18:05:02 -04:00
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SplitBit Programming Manual.md
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@@ -61,7 +61,7 @@ Hex Code | Mnemonic | Description
34 | PSHD | Stores the Data Pointer to the next two bytes in the stack, decrements the Stack Pointer by two. 34 | PSHD | Stores the Data Pointer to the next two bytes in the stack, decrements the Stack Pointer by two.
35 | POPA | Reads the location referenced by the Stack Pointer from Data Memory into A then increments the Stack Pointer. 35 | POPA | Reads the location referenced by the Stack Pointer from Data Memory into A then increments the Stack Pointer.
36 | POPB | Reads the location referenced by the Stack Pointer from Data Memory into B then increments the Stack Pointer. 36 | POPB | Reads the location referenced by the Stack Pointer from Data Memory into B then increments the Stack Pointer.
37 | POPP | Restores the Program Counter from the top two bytes in the stack, increments the Stack Pointer by two. 37 | POPP | Restores the Program Counter from the top two bytes in the stack and increments it by 3 to account for a subsequent branch instruction, increments the Stack Pointer by two.
38 | POPD | Restores the Program Counter from the top two bytes in the stack, increments the Stack Pointer by two. 38 | POPD | Restores the Program Counter from the top two bytes in the stack, increments the Stack Pointer by two.
### Data Operations: 8 Instructions ### Data Operations: 8 Instructions