public static void ChrPageCopy10()
{
//Set GraphicsPtr before calling!
//Set Y to 0 or 10
//Set A to the bank containing the CHR
const byte CHR_ONE_PAGE = 16;
X.Set(BankSwitching.Bank);
BankSwitching.SwitchTo(A);
//A.Set(Bank);
A.State.Push(); //A is needed later and is backed up as a consequence of backing up X
Stack.Backup(Register.X);
//TODO: finish after implementing Pointer
X.Set(CHR_ONE_PAGE);
Y.Set(0x10);
GoSub(ChrCopy);
//X.Set(CHR_ONE_PAGE);
//Y.Set(10);
//GoSub(ChrCopy);
Stack.Restore(Register.A);
X.State.Pop(); //get rid of the unneeded X value
X.State.Alter(); //indicate it's now unknown
BankSwitching.SwitchTo(A);
}
private static void _BankSwitchCallAndRestore()
{
A.Set(BankSwitching.Bank);
Stack.Preserve(A, () => {
GoSub(_BankCall); //Using JSR here instead of the usual JMP so it comes back here instead, because BC tables are all addr-1
});
//GoSub(BankSwitching._SwitchBanks);
BankSwitching.SwitchPrgTo(A);
}
private static void _BankCall()
{
//X = bankcallfunc ID
A.Set(BankLabel[X]);
BankSwitching.SwitchPrgTo(A);
A.Set(SubHiLabel[X]);
Stack.Backup(A);
A.Set(SubLoLabel[X]);
Stack.Backup(A);
}
public static void FullChrCopy()
{
//Set GraphicsPtr before calling!
//const byte CHR_ONE_PAGE = 16;
const byte CHR_TWO_PAGES = 32;
Comment("Backup current bank");
A.Set(BankSwitching.Bank);
Stack.Backup(Register.A);
BankSwitching.SwitchPrgTo(30);
//TODO: finish after implementing Pointer
X.Set(CHR_TWO_PAGES);
Y.Set(0);
GoSub(ChrCopy);
//Globals.graphicsPtr.PointTo(LabelFor(Rom.ChrBank1));
//X.Set(CHR_ONE_PAGE);
//Y.Set(10);
//GoSub(ChrCopy);
Stack.Restore(Register.A);
GoSub(BankSwitching._SwitchBanks);
}