func (s *suite) TestOpcodes(c *C) {
code := ""
opcodes := make([]uint16, 0, len(vm.OpcodeNames()))
for opcode, name := range vm.OpcodeNames() {
code = code + name + "\n"
opcodes = append(opcodes, uint16(opcode))
}
binary, err := Assemble(bufio.NewReader(strings.NewReader(code)))
c.Assert(err, IsNil)
c.Assert(binary, NotNil)
c.Assert(len(binary)/2, Equals, len(vm.OpcodeNames()))
i := 0
for _, opcode := range opcodes {
c.Assert(binary[i], Equals, opcode)
i += 2
}
}
func buildCode() []uint16 {
if errorCodes != nil {
return nil
}
opcodeNames := vm.OpcodeNames()
opcodes := make(map[string]uint16, len(opcodeNames))
for k, v := range opcodeNames {
opcodes[v] = uint16(k)
}
mem := make([]uint16, maxAddress)
for _, op := range ops {
code, ok := opcodes[op.op]
if !ok {
errorCodes = append(
errorCodes,
fmt.Sprintf("Line %d: Invalid opcode %s", op.line, op.op),
)
return nil
}
var arg uint16
if op.label == "" {
arg = op.num
} else {
label, ok := labels[op.label]
if !ok {
errorCodes = append(
errorCodes,
fmt.Sprintf("Line %d: Invalid label %s", op.line, op.label),
)
return nil
}
arg = label.address
}
mem[op.address] = code
mem[op.address+1] = arg
}
for _, w := range words {
for k, v := range w.words {
mem[int(w.address)+k] = v
}
}
return mem
}