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Machine code optimisationI'm geting back into z80 coding and wonder what the best way of showing how efficient the code is. I've got Rodney Zaks book and see there are timin…
... calc by head or by routine ???[/QUOTE]
A bit of ... .
For planning a routine, I do some rough sums ... note the total after each short routine.
It's much ... -
Bug in Super Wonder Boy in Monsterland?Hello!:smile: This game seems to have a bug that prevents finalize. The dragon that is in the last level, it is impossible to kill.Remains static.No…
... gets paged in after the loader has decrypted but [B]before ... [B]after[/B] the Speedlock loader has decrypted....
But ... dissecting would be the interrupt routine...
On the other ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... (timing equivalent to running ROM loader at 2000baud)
[*]Error detection ... interesting to write a load routine for. Instead of measuring high ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... either, or any other commercial loader. That's using the standard ... problem lies.
A short gap (far less than one ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... through IY: the progress/countdown routine would do 200T-ish worth ... , then jump back into the loader; so next time, it resumes ... state required since the main loader doesn't need them for ... hacked at all, just the loader retrofitted.
-Stephen -
JSW2 - Game Loader DifferencesThere are three official releases of JSW2. I'm not counting the 'JSW2-128' version here as far as I'm aware this was not in any way 'official' as it …
... to simply bypass the keypad routine.[/QUOTE]
The code ... very much like a snapshot loader of some kind. Look at ... -
Break into programIs there any way of stopping people using the break option in my software productions so they can list the code.
Here's a very short ON ERROR routine, which returns to the line ... ) with the address of the routine; or with with whatever was ... address of the error return routine. Save the original address then ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... values to keep the BASIC loader short.
Machine code uses
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... the screen using the ROM loader, waits for a keypress, then ... values to keep the BASIC loader short.[/quote]
I think ...coding guruOk I'm looking for a to help me in my quest to do my first proper game. The 80's child in me thinks he can do it, But the 2013 man in me knows zip. …
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I posted a short 2-D 4-way map ... write an isometric map scrolling routine.
I see that ...
