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daniel.mantione

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A member registered Oct 08, 2015

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Sure, no problem, happy to test.

IMO the exact number of lines itself shouldn't matter that much, a CRT will simply obey the vertical retrace signal when it gets it. However, changing the number of lines also means either you change the fps (which should be 50Hz) or the horizontal frequency (which should be 15625KHz). Since the 1084S accepts anything between 50-60Hz, I wouldn't expect you get issues with vertical frequency that quickly, the horizontal frequency is likely the most critical.

What does "completely out of sync with 50 Hz PAL" mean? On a Commodore 1084S (Philips), the intro picture is scrolling down vertically, doubt this is intended, but what kind of display hardware do you need to display it correctly?

Nevertheless... the VDC version is the best version. IMO your heavy efforts were well spent!

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After thinking a bit more about it: If I would port it, I would target a cartridge. The TED architecture allows mapping 32KB of cartridge ROM and built-in bankswitching with 2 banks. This means that the speedcode that the C128 version uses, can move to cartridge ROM and be executed directly from ROM. 

The combination of speedcode and slightly higher CPU speed (compared to C64) may make the speed acceptable, allthough the Plus/4 still lacks the MMU tricks that you can do on the C128.

Choosing for a cartridge also allows solving the sound problem: The Plus/4 allows sound input from cartridge, so you could add sound capability to the cartridge. Perhaps a low-cost SwinSID or so, C64 users would look down on a SwinSID, but for a Plus/4 game it would be a game changer.

I don't think a Plus/4 port would be very attractive. Sure, the Plus/4 has a slightly more computer power than the C64, but no acceleration possibilities like running the game on a SuperCPU, Ultimate64, Turbo Chameleon or Mega65. Therefore you would experience the lower playability of a bare unexpanded C64 on the Plus/4, just a little bit smoother, but no way the smooth gameplay of the C128 or C64 accelerators. That "just a little bit smoother" would need to be balanced against the terrible sound capabilities of the Plus/4... end result might be a worse experience than an bare unexpanded C64.

Plus/4 ports are IMO attractive if you can take advantage of the high colour count of the TED, but for a monochrome game like this one...

I don't have a Zoomfloppy and thus no experience with the OpenCBM tools, unfortunately.

It may work: The d64copy utility has and --end-track command line option, so with --end-track=40, it might do the right thing. Wether it really works... needs to be tested.

An SD2IEC cannot emulate cartridges and is therefore unsuitable for Briley Witch Chronicles. You either need a device that can emulate EasyFlash cartridge or a real EasyFlash cartridge. Solutions for cartridge emulation are 1541 Ultimate II+, Backbit or Kung Fu Flash. If you want a dedicated EasyFlash cartridge for the game, that you can plug into your C64 and go, you are welcome to contact me.

Vice is the best choice if you want to run C64 on the desktop of your PC. If you want a more authentic experience (with low latency input & output), try BMC64 on a Raspberry Pi.

Yes. In order to prevent losing your game, you have to save your game to floppy before flashing.

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Only Sarah can confirm, but the game is about 700KB large, so that is a minimum of 5 floppies and that would for sure be a lot of disk swapping. Perhaps an 3.5 inch diskette for 1581 might be possible, depends a bit on wether the game requires cartridge ROM to be directly adressable. If you are in need of an Easyflash cartridge, you are welcome to contact me.

BUG REPORT:

Henricus refuses to accept any Northern Cod if you have more than 5 in your possession.

The Backbit cartridge only has a partial Easyflash implementation, so I don't think that is a surpise. Just save on floppy.

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I must say Lord Dudic has a strange idea of justice: Briley gets a baseless accusation of dark witchery and must stand trial in the town hall, while the Whiteheads attempt to commit a murder and all they have to do is pay a little bit of money. No trial, just pay, all your sins are forgotten. 10 x the price of a bread delivery... damn... if buying yourself out of a murder crime was so cheap in the real world.... the world would be like the wild-west.

I have uploaded my savegame here: http://www.freepascal.org/~daniel/brileysave.zip

I recently experienced something similar on a real Easyflash cartridge. The game did report that the save did fail, when trying again, the game did crash. Luckily I made a backup on floppy, but still, a few hours of gameplay are lost.

Carefully explore every part of the house...

I got fooled by this as well: I had tried those stones, somehow it didn't work, then I spent several hours searching elsewhere and finally did resort to a Youtube video to see that it really were those stones near Branwen's house. Tried them again, and yes!

I did use a lot of magic while finding the place to hide. I had a charged amulet and did wear an air shield. The Veritas were no match against the many "iceball" and "windstorm" spell I was firing at them.

If you still need them, I have the Easyflash 1.4.1 Gerbers.


A Versacart is waayyyy too basic for this game, notably it lacks the required storage capacity, has no bank switching and mp ability to save games on cart.

Easyflash is way easier to build because it doesn't need SMD components.

Kung Fu Flash and Sidekick are two more options to run the game. You can definitely build your own Easyflash cartridge, I did so.

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Congratulations for being mentioned in the C64 article in La Repubblica. It doesn't happen daily that the C64 games are noted by mainstream newspapers.

daniel dot mantione at freepascal dot org

If you need help getting a physical Easyflash cartridge to install the game on, you are welcome to contact me.

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As coding a complex game for the C64 won't make you rich, I'd like to thank you for making this game, Sarah! I'm enjoying the game a lot and it is for sure of added value for the already rich game library of the Commodore 64.

It is not possible, the SD2IEC does not support 40 track disk images and does not support the fast loader used by the game. You can run the game on an expanded C16 using the procedure I describe above.

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It is not possible, the SD2IEC does not support 40 track disk images and does not support the fast loader used by the game. You can run the game on a real Plus/4 using the procedure I describe above.

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I highly recommend to add some documentation how to create a floppy disk with the game. Writing a 40 track floppy is not a daily task even for an experienced Commodore user like me and was quite a puzzle!


In order to help other buyers, here is how I did it: I started with a Commodore 64 with my 1541U2 connected and configured as device 9 and a real 1571 floppy drive connected as drive 8. I used the Maverick copying software. Mount Maverick on the 1541U2 on device 9, load Maverick and select the dual drive GCR nibbler. Then modify the parameters in Maverick to copy all 40 tracks. Now mount the Pet's Rescue D64 image on the 1541U2. Insert a blank floppy disk in the 1571 (can be unformatted). Start the copy operation and the floppy is being created.


Disconnect the Commodore 64 and connect the Plus/4, you can now run Pet's Rescue directly from the 1571.

  • Using a (real) 1541 or 1541-II instead of a 1571 should work.
  • The created disk should be compatible with a 1551, but a 1551 cannot be used to create the disk on a C64.
  • A Commodore 128 counts as a Commodore 64 here.
  • Forget about an SD2IEC: it is not compatible enough for nibble copying. You will really need a 1541Ultimate II.