Character and color cycling effect in C on DOS
As mentioned in my previous post about playing with DJGPP and GCC 10 on DOS, I have been redoing my small character and color cycling effect in text mode. The original version in JavaScript can be seen here. To understand why we can’t access video memory directly and need to use the DPMI service to create a selector to access the required real-mode segment address, please refer to section 18.4 of the DJGPP FAQ....