Eremey Valetov
0bacfcef6c
Graphics viewport and coordinate mapping: - VIEW [[SCREEN] (x1,y1)-(x2,y2) [,[fill][,border]]] with clipping - WINDOW [[SCREEN] (x1,y1)-(x2,y2)] with Cartesian/screen modes - PALETTE [attribute, color] with CGA 16-color remapping - PMAP(coord, func) for logical/physical coordinate conversion - All graphics statements (PSET, LINE, CIRCLE, PAINT, GET/PUT) respect viewport clipping and WINDOW coordinate mapping MBF (Microsoft Binary Format) float support: - CVS/CVD now interpret bytes as MBF format (compatible with real GW-BASIC) - MKS$/MKD$ now produce MBF-encoded bytes - Fixed shift errors in MBF↔IEEE conversion routines (single: 1→0, double: 4→3) - Random-access file I/O now byte-compatible with original GWBASIC.EXE 66 tests (2 new), 61 compat matches (up from 58).
41 lines
2.0 KiB
Markdown
41 lines
2.0 KiB
Markdown
# Roadmap
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## The Big One
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- **GW-BASIC 2026 Compiler** — ahead-of-time compilation of BASIC programs to
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native executables. Because nothing says "premature optimization" like
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compiling a language designed for an interpreter running on a 4.77 MHz 8088.
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But we've come this far, so why not? Likely approach: translate the token
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stream to C and lean on GCC/Clang for the heavy lifting.
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## Planned Features
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- **Hardware I/O simulator** — an optional emulation layer for `OUT`, `INP`,
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`WAIT`, `MOTOR`, and friends. The idea is to provide a virtual PC peripheral
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bus so retro programs that talk to the speaker, joystick port, or parallel
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interface can do *something* useful instead of silently no-oping. Think of it
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as a tiny museum exhibit for vintage BASIC hardware hacking.
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- **MBF format support for binary LOAD** — convert Microsoft Binary Format
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float constants when loading files saved by the original GWBASIC.EXE
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## IDE and Notebook Integration
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- **Jupyter kernel for GW-BASIC** — a Jupyter Notebook kernel that runs
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GW-BASIC programs cell-by-cell, with rich output for `PRINT`, inline graphics
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rendering for drawing commands, and interactive `INPUT` via notebook widgets.
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Similar in spirit to [foxkernel](https://github.com/evvaletov/foxkernel).
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- **JetBrains plugin (IntelliJ/CLion)** — full-featured language plugin with
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syntax highlighting, code completion, line number navigation, run
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configurations, debugger integration (breakpoints via `STOP`, variable
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inspection), structure view (line number outline), and error annotations.
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- **VS Code extension** — language extension providing syntax highlighting
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(TextMate grammar), snippets, run/debug tasks, integrated terminal runner,
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and Language Server Protocol support for diagnostics and hover info.
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## Known Limitations
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- String garbage collection not implemented (uses `malloc`/`free` instead)
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- Maximum 256 variables, 64 arrays, 16 FOR nesting, 24 GOSUB nesting,
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16 WHILE nesting
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- Hardware I/O (`OUT`, `INP`, `WAIT`, `COM`, `MOTOR`) not yet implemented
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