# Ocean-240.2 MS Basic

Source codes of Microsoft Basic for Ocean-240.2 computer (BASIC-80 R.5/240). 
Based on Microsoft BASIC-80 v5.21.

- In Z80 mnemonics, but limited for i8080 instruction set.
- I tried to keep the original label names as they are in the source codes published by Microsoft.
- Small bug with cond jump to data table fixed.

## Extended Ocean-240.2 operators

* CLS - Clear screen;
* SCRN - Set graphics mode;
* COLOR - Set foreground colors;
* CURS - Move cursor to specified position;
* PLOT - Draw line from cursor pos to specified position;
* RECT - Draw rectangle with diagonal from cursor pos to specified position;
* GPRINT - Print graphics screen to printer;
* TONE - unimplemented;

## Compile

Code is located in memory at address: 0x100

   sjasmplus --sld=MB_OK240.sld --sym=MB_OK240.labels --raw=MB_OK240.obj --fullpath MB_OK240.asm

To compile sources, use [sjasmplus Z80 assembler](https://github.com/z00m128/sjasmplus).