Christmas Diamonds
Vintage Computing Christmas Challenge 2023 Author: Johannes le Roux (@dadecoza) Category: Christmas Challenge System: ZX81 Language: Z80 Assembly Len source code: 3125 bytes Len exe file: 988 bytes Len code only: 54 bytes Instructions: Open vccc2023.p with the EightyOne emulator Description: The code draws the stars in diagonal lines bouncing of the screen bounds (19x19) until it completes a rectangle at which point it will move 6 positions and start the next rectangle until it reaches the edge of the screen. Comments: The code is compiled with the TASM assembler and is dependent on the ZX81 definition files from the following repository ... https://github.com/chancanasta/zx81HelloWorld The command I used to compile ... "C:\Users\dade\tasm32\TASM.EXE" -80 -b -s -l vccc2023.asm vccc2023.p
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