Did you know that the Commodore computers had a built-in clock? It wasn’t an exact science, and it didn’t show the date, but it was able to display a 24hr clock. It did this by counting how many seconds your machine was switched on, accessible in two variables TI and TI$ (short for TIME). TI$ … Read more
Usually you’d attach a disk image to the VICE emulator and load one of several files from your virtual disk. Occasionally though you’ll come across single files ending in .PRG – those are the files that are contained on a disk image. Remember those weird three letter abbreviations on the right hand side when you … Read more
The C128 could run twice as fast as its predecessor, the legendary C64. All you had to do was issue the FAST command, or switch back with the SLOW command to its default speed (1MHz). One drawback of using FAST mode was that the VIC which powered the 40 column (standard) display wasn’t capable of … Read more
The C128 had various chips to display different kinds of graphics that man just stuck to the standard 40 column text display for “ease of use” and let their software handle the rest. To appreciate why these modes existed one had to understand what was happening behind the scenes. Here are the various modes and … Read more
