Adds relational jumps.
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1 changed files with 12 additions and 5 deletions
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@ -213,6 +213,12 @@ The math command is a compound operator that contains all
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ALU operations. The ALU operation is selected
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by the `cmdinfo`.
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If an ALU operation takes two operands, the right hand side is
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defined by `input0`, the left hand side is defined by `input1`.
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This allows a configuration such that the right hand side operand
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is taken by the argument of the instruction instead of beeing popped
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from the stack.
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| cmdinfo | Operation |
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|---------|-----------------------------|
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| 0 | Addition |
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@ -258,11 +264,12 @@ is set when the highest bit is set.
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### Output
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Each instruction can emit an output value. The output can be used in the following ways:
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| # | Output | Effect |
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|---|---------|--------------------------------------------------------------|
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| 0 | discard | The output value is discarded. |
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| 1 | push | The output is pushed to the stack. |
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| 2 | jump | The code pointer is set to the output, thus a jump is taken. |
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| # | Output | Effect |
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|---|---------|-----------------------------------------------------------------------------|
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| 0 | discard | The output value is discarded. |
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| 1 | push | The output is pushed to the stack. |
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| 2 | jump | The code pointer is set to the output, thus a jump is taken. |
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| 3 | jumpr | The code pointer is increased by the output, thus a relative jump is taken. |
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### Argument
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The instruction argument can provide static input which can be used
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