A little optimization for Z80 Assembler

So, you want to optimize your assembler code a little bit ?

Here are some "generic" ways to speed up / shorten your Z80 progs a little bit:

• CP 0 -> OR A
• LD A,0 -> XOR A
• CALL nn : RET -> JP NN
• BIT 0,A : JR NZ,n -> RRA : JR C,n

See also:

http://shiar.nl/calc/z80/optimize

http://wikiti.brandonw.net/index.php?title=Z80_Optimization

http://z80-heaven.wikidot.com/optimization

Faster Loops

http://www.ticalc.org/archives/files/fileinfo/285/28502.html

https://github.com/santiontanon/mdlz80optimizer