72 lines
1.0 KiB
Markdown
72 lines
1.0 KiB
Markdown
# Getting Started
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## Dependencies
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- C11 compiler (GCC or Clang)
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- CMake 3.10+
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- PulseAudio development library (`libpulse-simple`) — optional, for `SOUND`/`BEEP`/`PLAY`
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On Debian/Ubuntu:
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```bash
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sudo apt-get install build-essential cmake libpulse-dev
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```
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On Fedora/RHEL:
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```bash
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sudo dnf install gcc cmake pulseaudio-libs-devel
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```
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## Building
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```bash
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git clone https://github.com/evvaletov/gwbasic-c.git
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cd gwbasic-c
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mkdir -p build && cd build
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cmake .. && make
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```
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The binary is `build/gwbasic`.
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## Usage
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### Interactive Mode
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```
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$ ./gwbasic
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GW-BASIC 0.5.0
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(C) Eremey Valetov 2026. MIT License.
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Based on Microsoft GW-BASIC assembly source.
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Ok
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PRINT 2+2
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4
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Ok
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FOR I=1 TO 5:PRINT I;:NEXT
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1 2 3 4 5
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Ok
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```
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### Running a Program File
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```bash
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./gwbasic tests/programs/prime_sieve.bas
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```
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### Piped Input
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```bash
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echo '10 FOR I=1 TO 10:PRINT I*I;:NEXT' | ./gwbasic
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```
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### Direct Mode Expressions
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Type expressions and statements at the `Ok` prompt:
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```
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PRINT SIN(3.14159/2)
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1
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A$="HELLO WORLD":MID$(A$,7,5)="BASIC":PRINT A$
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HELLO BASIC
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```
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