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Version 2.0 bétas 1+2

– GVP MapROM support added. GVP A530 and most A2000 and A3000 GVP boards.
– Blizzard 1230 MKI/II/III/IV, 1240, 1260 MapROM support added.
– Switch off all floppy drive motors before memory decompression.
– Fixed crash if 68020 or 68030 statefile was loaded and CPU was 68040 or 68060. (Surprisingly many AGA statefiles work fine if CPU is 68040/060)
– Fixed uncompressed statefile support.
– Compatibility improved.
– ACA1233n MapROM support, in both 68030 and 68EC020 modes.
– ACA123x 128M model MapROM support fixed (v1.0)
– ACA500/ACA500plus MapROM support fixed (beta 1)

If system has MMU (Full 68030, 68040 or 68060), any fully or partially missing memory is MMU remapped. You have statefile that requires slow ram or fast ram but your accelerator only has 32-bit fast RAM? Not a problem anymore! MMU is also used for KS maprom.

Even missing Chip RAM is remapped (with a warning message) but it rarely works for obvious reasons.. (I left it in because there may be shovelware « AGA » ports that « require » 2M chip but only uses first 512k/1M of Chip RAM for stuff that chipset DMA uses)

Other changes:
– Kickstart image is also loaded from current directory if DEVS:Kickstart is missing.
– nommu command line option to disable MMU use. (Final version may not have automatic MMU enable, at least when CPU is 68030 because there is no reliable way to detect if CPU is 68030 or 68EC030)
– Added $080000->$c00000 MMU mapping if 512k/ecs and $c00000 RAM exists. Unfortunately I can’t test this because my A1200 accelerators (that work with ACA500plus) are icomp variants and they have onboard $c00000 which makes it impossible to access trapdoor RAM and Blizzard 1260 won’t work with ACA500plus without TTR tricks that are not MMU remapping comptible. (WinUAE won’t also work, this chip ram mirror feature only works in very specific configurations)
– If KS 1.x: detect 030 and 040 (KS 1.x only detects up to 68020). Detect also 060 if pre-v45. This enables correct MMU setup, even if KS ROM does not detect later CPU models.
– GVP MapROM rejects Z2 RAM that is not accelerator onboard. (If system has GVP accelerator with onboard Z2 RAM but also has another Z2 RAM board)
– 68030 MMU is not enabled anymore by default (use mmu command line parameter), there are too many 68EC030 boards.

Note: Use without startup-sequence (especially if 68040+). Do not load any MMU libraries.

Mutt2828 wrote:

Heu … là je suis un peu largué, comment tu t’y prends sur un 500?

Un test à faire : programme sur DK1, savestate sur DK2 si cela tient.

Plus sérieusement, sans au moins une CF et un peu de ram, je ne vois pas.