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Topics - cerzus69

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ASM / 24 bit multiplication
« on: December 07, 2011, 08:13:26 am »
I have been looking for two days now to find a z80 ASM routine that multiplies two 24 bit numbers to get a 48 bit result.

I need it because I want to try and make a Mandelbrot set generator for the Ti84+ using Q2.21 Fixed Point numbers.

Now I would try to come up with one myself but if anyone knows of an existing one I'd like to know!

Thanks

2
TI Z80 / Benumbered v2.0
« on: April 05, 2011, 01:28:38 pm »
Hey, everyone, I just finished a TI-(83/84)+ remake of the game Bejeweled by PopCap.

In stead of the colored gems I've decided to use the numbers 1 to 7 which is why it's called Benumbered.

Features it supports are:
- 4-level grayscale graphics
- Main menu with high score lists
- Scores up to 9,999,999 (24-bit integers)
- 6 different game modes (5 ported and 1 original)
- Selecting/deselecting/swapping
- Detection of all possible moves to be made
- Hints (after 15 seconds of doing nothing or when pressing [ALPHA]
- Cascades
- Scoring
- Time
- Level progressing
- In-game contrast changing
- Teacher key
- Text messages on screen like "Level X", "Go!" and "No moves!"
- Floating scores, so you can see on the board how many points you just got for a pair that was created
- Pause / turn calc off
- Game saving and loading
- High score and name saving
- Mode unlocking
- AppVar for data saving
- Reasonable high scores to beat

Possible future features:
- Regular TI-83 version
- Hardwarde-specific grayscale
- No moves/time up/level complete animations for smoother transitions
- Splash screen
- Easter egg

The program takes 9371 bytes on your calculator and will create a 669 byte AppVar to store data.

You can download it at ticalc.org or visit Cemetech.net to read about it's progress or comment on it.

Here are some screencaps:


3
ASM / 24 bit division
« on: February 16, 2011, 08:51:38 am »
Hey, I've been looking around for 2 days now how to do 24 by 24 bit division in z80 asm. I've found 16/8, 16/16, 24/8, 24/16 and even 32/8. I'm sure there must be a 24/24 out there, but I can't find it. Does anyone know how to do this? I'm getting quite desperate...

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