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Minor fixes

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Escape '_' in filenames for the recents menu.

Fix status flag update for ROL.
This commit is contained in:
Andy McFadden 2021-12-23 11:29:29 -08:00
parent 27b47b9783
commit 92f304a030
2 changed files with 20 additions and 12 deletions
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22
Asm65/OpDef.cs
View File

@ -802,25 +802,25 @@ namespace Asm65 {
}
private static StatusFlags FlagUpdater_ROL(StatusFlags flags, int immVal,
ref StatusFlags condBranchTakenFlags) {
// this rotates the N flag into C, so set C=N
// if carry is one, set Z=0; otherwise set Z/N=indeterminate
// (if Z=1 we should set Z=C, but this seems rare and I don't entirely trust Z)
// In immediate mode we effectively rotate the N flag into C, but we can't know
// whether the flags were set for the value in the acc, so that doesn't help us.
// Ditto for the Z flag, which we could otherwise combine with the C flag in
// certain situations.
//
// if carry is set, set Z=0 (N/C indeterminate);
// otherwise set Z/N=indeterminate
if (flags.C == 1) {
flags.C = flags.N;
flags.Z = 0;
flags.N = TriState16.INDETERMINATE;
flags.C = flags.N = TriState16.INDETERMINATE;
} else {
flags.C = flags.N;
flags.Z = flags.N = TriState16.INDETERMINATE;
flags.C = flags.Z = flags.N = TriState16.INDETERMINATE;
}
return flags;
}
private static StatusFlags FlagUpdater_ROR(StatusFlags flags, int immVal,
ref StatusFlags condBranchTakenFlags) {
// if carry is set, set Z=0 and N=1;
// if carry is clear, set N=0;
// if carry is clear and Z=1, everything is zero and no flags change
// (this seems unlikely, so I'm going to assume we've mis-read a flag and ignore this)
// if carry is set, set Z=0 and N=1 (C indeterminate);
// if carry is clear, set N=0 (Z/C indeterminate);
// otherwise, Z/N/C=indeterminate
if (flags.C == 1) {
flags.Z = 0;

10
SourceGen/WpfGui/MainWindow.xaml.cs
View File

@ -1567,6 +1567,13 @@ namespace SourceGen.WpfGui {
mMainCtrl.HandleCodeListDoubleClick(row, col);
}
/// <summary>
/// Escapes a generated string for use as a WPF menu item.
/// </summary>
private string EscapeMenuString(string instr) {
return instr.Replace("_", "__");
}
private void RecentProjectsMenu_SubmenuOpened(object sender, RoutedEventArgs e) {
MenuItem recents = (MenuItem)sender;
recents.Items.Clear();
@ -1579,7 +1586,8 @@ namespace SourceGen.WpfGui {
} else {
for (int i = 0; i < mMainCtrl.RecentProjectPaths.Count; i++) {
MenuItem mi = new MenuItem();
mi.Header = string.Format("{0}: {1}", i + 1, mMainCtrl.RecentProjectPaths[i]);
mi.Header = EscapeMenuString(string.Format("{0}: {1}", i + 1,
mMainCtrl.RecentProjectPaths[i]));
mi.Command = recentProjectCmd.Command;
mi.CommandParameter = i;
recents.Items.Add(mi);