public void Visit(PropAssignment m)
{
/*;set_object_property
* ; top = object #id
* ; under that = prop# ( 0 - 15)
* ; under that = value (0 or 1)
*/
sw.WriteLine("\t; writing set obj prop");
sw.WriteLine("\tpuls b ; pull value (rhs)");
sw.WriteLine("\tclra ; ");
sw.WriteLine("\ttfr d,x ; ");
sw.WriteLine("\tpuls b ; pull obj # (lhs)");
sw.WriteLine("\ttfr d,y ; save obj # param");
try
{
sw.WriteLine("\tldb #" + propIndexes[m.propName] + " ;" + m.propName);
}
catch (Exception e)
{
throw new Exception(m.propName + " is not a valid attr for " + m.objName, e);
}
sw.WriteLine("\tpshs x ; push value param");
sw.WriteLine("\tpshs d ; push prop # param");
sw.WriteLine("\tpshs y ; push obj # param");
sw.WriteLine("\tjsr set_object_prop");
sw.WriteLine("\tleas 6,s");
}
public void Visit(PropAssignment m)
{
sw.WriteLine("\t;set property");
/*
* sets property c of object b to val in register 'a'
* the property should be 0 - 15 inclusive
*/
sw.WriteLine("\tpop af ; pop value");
//sw.WriteLine("\tld b," + game.GetObjectId(m.objName));
sw.WriteLine("\tpop bc ; object id");
sw.WriteLine("\tld c," + propIndexes[m.propName] + " ; " + m.propName);
sw.WriteLine("\tcall set_obj_prop");
}
public void Visit(PropAssignment m)
{
/*;set_obj_property
* ; top = value (0 or 1)
* ; under that = object #id
*/
try
{
sw.WriteLine(Tabs() + "param3 = param_stack_pop() ; //save value");
sw.WriteLine(Tabs() + "param1 = param_stack_pop() ; //save obj id");
sw.WriteLine(Tabs() + "param2 = " + propIndexes[m.propName] + " ; //" + m.propName);
sw.WriteLine(Tabs() + "set_object_prop(param1,param2,param3);");
}
catch (Exception e)
{
throw new Exception(m.propName + " is not a valid attr for " + m.objName, e);
}
}
public void Visit(PropAssignment pa)
{
sw.WriteLine("\t; building property assignment call");
//id,attr,and val are on stack
sw.WriteLine("\tpla ; pull rhs off stack");
sw.WriteLine("\ttay ; val goes in Y");
try
{
sw.WriteLine("\tldx #" + propIndexes[pa.propName] + " ; " + pa.propName);
}
catch
{
throw new Exception(pa.propName + " is not a valid property");
}
sw.WriteLine("\tpla ; pull object id");
// sw.WriteLine("\tlda #" + game.GetObjectId(pa.objName) + " ; " + pa.objName);
sw.WriteLine("\tjsr set_obj_prop");
// Console.WriteLine("call set_obj_prop");
}
public void Visit(PropAssignment m)
{
/*;set_obj_property
* ; top = value (0 or 1)
* ; under that = object #id
*/
try
{
sw.WriteLine("\tpop cx ; save value");
sw.WriteLine("\tpop bx ; save obj id");
sw.WriteLine("\tmov ax," + propIndexes[m.propName] + " ;" + m.propName);
sw.WriteLine("\tpush cx ; push value");
sw.WriteLine("\tpush ax ; push prop number");
sw.WriteLine("\tpush bx ; push object id");
sw.WriteLine("\tcall set_obj_prop");
sw.WriteLine("\tadd sp,6 ; pop params");
}
catch (Exception e)
{
throw new Exception(m.propName + " is not a valid attr for " + m.objName, e);
}
}
