WHDLoad MantisBT - MaxRally
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0004896MaxRally[WHDLoad Installs Games] slavepublic2020-12-08 16:552023-05-03 16:26
Assigned ToPsygore 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
ChipMem2 MB
FastMem0 MB
WorkbenchOS 2.1
KickROM37 - Kick 2.0
Summary0004896: Please is it possible to remove the 68020 restriction?
DescriptionPlease is it possible to remove the 68020 restriction?
TagsNo tags attached.
Attached Files? MaxRally12.lha (8,805) 2022-07-21 00:43
png ACA500PLUS EXPERT MODE.png (70,582) 2022-07-21 19:57

2022-07-16 23:09   
Bumping This One.

The game doesn't go past the Please insert Disk 2 screen on either WinUAE with the A1200 config set at 68020, 2MB Chip, 8MB Fast Ram, Cycle Exact or the A500 Mini 68040 @ 14mhz 8mb chip 128mb Fast. Both have WHDLoad 18.8 and I'm using Retroplay's Max_Rally_v1.1.lha set.

I get the same behaviour on both setups. I've pressed every key and it just sits there.
2022-07-21 00:44   
Attached new slave with 68020 restriction removed.
Pascal De Maeseneire   
2022-07-21 19:49   


I just finished trying the 2 slaves.

ON my A1200 the 2 slaves are ok either in AGA mode or in DHW mode with the 2nd slave.

on the other hand its my A500 ACA500PLUS, I have the message "You need Chipmem up to $S150000 (1134 Kbyte) to run this program"

I know I only have an A500 rev.6 512k +512k in the trap door but with an Agnus 8372A.

Or precisely on the aca500plus in expert mode "F10" there is an option that emulates the 1MB RAM chip.

if I test the ADF files, in this expert mode with the chipmen option activated and a custom KS in this case the game starts and works correctly. I tested ADFs with KS 2.04, KS 2.05 (37.350) and KS 3.1 and it works.

On the other hand, still in this mode with KS 3.1.4, the game crashes.

Do you think you can stream there with an alternate slave for the ECS version. allowing options to launch the game correctly.

Here is the link of the EXPert mode (F10) of the ACA500 Plus:


If you are a programmer or just interested in the inner workings of the ACA500plus, you can find lots of information here:


Many thanks for You attention,

Best regards,

Pascal De Maeseneire   
2022-07-21 20:36   
translate error sorry :

ON my A1200 the 2 slaves are ok either in AGA mode or in ECS mode with the 2nd slave.
2023-01-01 18:03   
Any chance on releasing this as v1.2 works fine now?
2023-01-09 23:00   
Please release the new slave soon.
2023-04-11 23:24   
*Bump. Please can you release the v1.2 slave?
2023-04-28 10:40   
New install available, it can run on ECS with 1.0 MB ChipMem and some FastMem now.
Pascal De Maeseneire   
2023-04-30 02:02   


I want to confirm You that Your latest Slave v1.2 (LowMem 1MB Chip) works perfectly for my A500ACA500Plus Config with 1MB CHIP (8372A).

Many Thanks for Your Works.

Best regards,

2023-05-03 16:25   
Thank you for your feedback Pascal.

Issue History
2020-12-08 16:55retrogamerNew Issue
2020-12-09 20:59PsygoreAssigned To => Psygore
2020-12-09 20:59PsygoreStatusnew => assigned
2022-07-16 23:09MrV2KNote Added: 0011569
2022-07-21 00:43PsygoreFile Added: MaxRally12.lha
2022-07-21 00:44PsygoreNote Added: 0011584
2022-07-21 19:49Pascal De MaeseneireNote Added: 0011587
2022-07-21 19:57Pascal De MaeseneireFile Added: ACA500PLUS EXPERT MODE.png
2022-07-21 20:36Pascal De MaeseneireNote Added: 0011588
2023-01-01 18:03MrV2KNote Added: 0012243
2023-01-09 23:00retrogamerNote Added: 0012291
2023-04-11 23:24MrV2KNote Added: 0012675
2023-04-28 10:40PsygoreStatusassigned => resolved
2023-04-28 10:40PsygoreResolutionopen => fixed
2023-04-28 10:40PsygoreNote Added: 0012739
2023-04-30 02:02Pascal De MaeseneireNote Added: 0012747
2023-05-03 16:25PsygoreNote Added: 0012774
2023-05-03 16:26PsygoreStatusresolved => closed