Merge pull request 'Новая инструкция: rjmp' (#1) from rjmp into master
Reviewed-on: #1
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commit
84724f8000
@ -89,6 +89,7 @@ pub fn execute(stack: &mut Stack, mut origin_stack: Option<&mut Stack>, mod_name
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// Labels
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// Labels
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"jmp" => instructions::jmp::jmp(&mut stack.labels, &mut stack.program_counter, instruction.data),
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"jmp" => instructions::jmp::jmp(&mut stack.labels, &mut stack.program_counter, instruction.data),
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"rjmp" => instructions::rjmp::rjmp(&mut stack.memory, &mut stack.labels, &mut stack.program_counter),
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"jnz" => instructions::jnz::jnz(&mut stack.memory, &mut stack.labels, &mut stack.program_counter, instruction.data),
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"jnz" => instructions::jnz::jnz(&mut stack.memory, &mut stack.labels, &mut stack.program_counter, instruction.data),
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"jz" => instructions::jz::jz(&mut stack.memory, &mut stack.labels, &mut stack.program_counter, instruction.data),
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"jz" => instructions::jz::jz(&mut stack.memory, &mut stack.labels, &mut stack.program_counter, instruction.data),
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"kjnz" => instructions::kjnz::kjnz(&mut stack.memory, &mut stack.labels, &mut stack.program_counter, instruction.data),
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"kjnz" => instructions::kjnz::kjnz(&mut stack.memory, &mut stack.labels, &mut stack.program_counter, instruction.data),
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@ -38,4 +38,5 @@ pub mod kjz;
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pub mod print;
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pub mod print;
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pub mod println;
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pub mod println;
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pub mod insert;
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pub mod insert;
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pub mod random;
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pub mod random;
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pub mod rjmp;
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9
src/instructions/rjmp.rs
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9
src/instructions/rjmp.rs
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@ -0,0 +1,9 @@
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use crate::{errors::RunError, stack::StackVec};
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pub fn rjmp(memory: &mut StackVec, labels: &mut [Option<i16>; 256], program_counter: &mut u16) {
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let start = memory.pop() as usize;
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let end = memory.pop() as usize;
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let rand = fastrand::usize(start..end + 1);
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*program_counter = (labels[rand].expect(&format!("{}", RunError::UnknownLabel(rand as u16))) - 1) as u16;
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}
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