jcmeyrignac

10 ms·

1. 61.▲
   by jcmeyrignac 8y ago

   And you can extend the decrement for 32 bits as follows: lda a+0 bne .3 lda a+1 bne .2 lda a+2 bne .1 dec a+3 .1: dec a+2 .2: dec a+1 .3: dec a+0
2. 62.▲
   by jcmeyrignac 9y ago

   https://www.deepl.com/translator
3. 63.▲
   by jcmeyrignac 9y ago

   Copy of the article: http://archive.is/gj3sf
4. 64.▲
   by jcmeyrignac 9y ago

   In fact, I was working on another computer, called "Oric 1", and tried to optimize a disassembler. At this time, I spent several months optimizing the Basic ROM from Microsoft, but I never released anything.
5. 65.▲
   by jcmeyrignac 9y ago

   I remember having found an optimization in the disassembler 30 years ago, and I was so proud of me. It's on page 51, we can replace: LSR BCC EVEN LSR BCS ERR CMP #$22 BEQ ERR AND #$7 ORA #$80 with: LSR BCC E