PEEK and POKE mostly, and typing hex codes into a special editor. Remember the games and utilities in the magazines? Also, a page of basic 2.0 code to draw a line And the amazing never before available Sprite Development.
Yes, written by hand. A few years later I was taking courses in high school on an IBM PC in basic and to draw a line with literally a command called line with two points as parameters.
Remember when Java was going to replace C/C++?
Also, machincode before getting an assembler on the C64! JMP=32 JSR=96
IIRC…
PEEK and POKE mostly, and typing hex codes into a special editor. Remember the games and utilities in the magazines? Also, a page of basic 2.0 code to draw a line And the amazing never before available Sprite Development.
Bresenhams line algorithm 😁, you could invert it to speed it up (Bresenhams slice algorithm)! Also: fill area algorithms!
Fun times
Yes, written by hand. A few years later I was taking courses in high school on an IBM PC in basic and to draw a line with literally a command called line with two points as parameters.