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'use strict';
const { Core } = require('./core.js');
const { DAT, MOV } = require('./instruction.js');
const CORESIZE = 8000;
test('DAT does nothing and kills the program', () => {
const core = new Core(CORESIZE);
const pc = 0;
const ins = core.data[pc];
expect(DAT(core, pc, ins)).toEqual([]);
});
test('MOV correctly moves a full instruction', () => {
const core = new Core(CORESIZE);
const pc = 20;
core.data[pc] = {
opcode: 'MOV',
a: { mode: 'direct', value: 0 },
b: { mode: 'direct', value: 1 },
};
const ins = core.data[pc];
expect(core.data[pc+1].opcode).toBe('DAT');
expect(MOV(core, pc, ins)).toEqual([pc+1]);
expect(core.data[pc]).toEqual(core.data[pc+1]);
expect(core.data[pc+1].opcode).toBe('MOV');
});
test('MOV correctly moves a B-field', () => {
const core = new Core(CORESIZE);
const pc = 20;
core.data[pc] = {
opcode: 'MOV',
a: { mode: 'immediate', value: 100 },
b: { mode: 'direct', value: 1 },
};
const ins = core.data[pc];
expect(core.data[pc+1].opcode).toBe('DAT');
expect(MOV(core, pc, ins)).toEqual([pc+1]);
expect(core.data[pc+1]).toEqual({
opcode: 'DAT',
a: { mode: 'immediate', value: 0 },
b: { mode: 'immediate', value: 100 },
});
});
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