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:(before "End Globals")
// Jump ops.
const int JUMP = 10;
:(before "End Primitive Recipe Numbers")
Recipe_number["jump"] = JUMP;
Next_recipe_number++;
:(before "End Primitive Recipe Implementations")
case JUMP: {
trace("run") << "ingredient 0 is " << instructions[pc].ingredients[0].name;
pc += to_int(instructions[pc].ingredients[0].name);
break;
}
:(scenario "jump_can_skip_instructions")
recipe main [
jump 1:offset
1:integer <- copy 1:literal
]
+run: instruction 0
+run: ingredient 0 is 1
-run: instruction 1
-mem: storing in location 1
:(scenario "jump_backward")
recipe main [
jump 1:offset
jump 1:offset
jump -2:offset
]
+run: instruction 0
+run: instruction 2
+run: instruction 1
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