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Implement the 'Undo` feature #380

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c3d opened this issue Sep 30, 2023 · 0 comments
Closed

Implement the 'Undo` feature #380

c3d opened this issue Sep 30, 2023 · 0 comments
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feature New or missing features
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User interface

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@c3d
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c3d commented Sep 30, 2023

Implement the Undo feature
@c3d c3d added the feature New or missing features label Sep 30, 2023
@c3d c3d added this to the User interface milestone Sep 30, 2023
c3d added a commit that referenced this issue Sep 30, 2023
@c3d
undo: Connect Undo and LastArg
49fb703 
Implement the `Undo` and `LastArg` commands

Fixes: #379
Fixes: #380

Signed-off-by: Christophe de Dinechin <christophe@dinechin.org>
c3d added a commit that referenced this issue Sep 30, 2023
@c3d
Release 0.4.4: Graphic objects, tagged objects, Undo and LastArgs
9446e32 
Notes:
- This release switches the DM42 build to "optimize for size", because
  we ran out of program space for an "optimize for speed" build.
  The DM32 build is still optimized for speed.
- The release is not really "well rounded". Notably, graphical
  rendering of stack objects is active, but not complete. Everything
  is still rendered from text, and there is no caching yet.
- The package is now consistently called DB50X for DM32 and DB48X for DM42.
  In the long run, the DB50X is expected to be more full-featured or slightly
  faster everything being equal, due to limitations in DM42 program space that
  are fast approaching.

New features:
- Graphic objects, aka `grob`(#30)
- Graphic operations: `GOr`, `GXor`, `GAnd` (#383)
- Method for graphical rendering of objects (#47)
- Tagged objects, `dtag` and `->tag` commands (#21)
- `LastArg` (#379, #55)
- `Undo`, i.e. last stack (#380, #55)
- `LastX` (#384, #55)

Bug fixes:
- Fix latent memory corruption bug in `text` constructor
- Fix out of memory error reporting while building `text` objects
- blitter: Fix clipping when src and dest don't have same x direction

Enhancements:
- Use the `help` method to select help topic (#378)
- Graphical rendering of stack (#382)
- Simulator: Fix program exit with `EXIT` key after another key (#356)
- Simulator: Set 40K as default memory
- Out of program space: Switch to `-Oz` on DM42
- Generate different help files for DB48X and DB50X

Signed-off-by: Christophe de Dinechin <christophe@dinechin.org>
@c3d c3d closed this as completed in a0bff89 Sep 30, 2023
c3d added a commit that referenced this issue Oct 1, 2023
@c3d
ui: Connect the Undo key
3afbb88 
The `Undo` key had not been connected when implementing `Undo`...

Fixes: #380

Signed-off-by: Christophe de Dinechin <christophe@dinechin.org>
c3d added a commit that referenced this issue Oct 1, 2023
@c3d
Release 0.4.5: Visible bugs and glitches
aa9eb76 
This is a quick respin after 0.4.4 to fix various cosmetic, and a
relatively serious editor corruption issue related to the
implementation of `Undo` that impedes usage of complex numbers.

Bugs:

- Editor corruption due to saving undo stack while editing (#386)
- Correctly parse editors and symbols (#372)
- Avoid emitting extra newlines for consecutive comments (#387)
- Integers: Do not recognize `#7D` as decimal (#371)
- User interface glitches (#388)
- Connect the `Undo` key (#380)

Signed-off-by: Christophe de Dinechin <christophe@dinechin.org>
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