SIMPLE Microsoft Basic emulator on C64

Simple C64 MS Basic emulator. You can run simple basic and machine code programs.

Features:

• 6502 documented ops
• runs PRG files
• keyboard matrix (not all keys)
• CIA timers (jiffies)
• VIC graphics and text modes (bad lines)
• C64 memory layout & banking
• Microsoft BASIC interpreter
• Commodore Kernel ROM

Runs at PAL speed.

In the future

• Sprites, hardware scrolling, VIC interrupts
• better CPU/memory emulation (write cycle)
• simple SID
• full CIA, TOD and serial emulation

Have fun and feel free to grab and modify

Keys

• F10 - loads PRG file into memory at the headers address
• F11 - dumps all RAM memory
• F12 - machine cold reset

PRG example files

• pet4032 - simple Commodore PET4032 emulator in Basic.
• shoplifting-c.prg - first stealth game ever written in Basic. Requires PET4032 emulator. Credit to Robin, 8-bit Show and Tell for improved version of it.
• themil, snoopy_hires - hires picture, machine coded
• 1 line game, 10print, fala - one liners, little effort, great effect
• nonmonochrome - interesting 6 bytes DEMO. Scanes all C64 memory, RAM gives monochrome stripes, ROM color ones.