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Originally Posted By etabeta78
Originally Posted By Anna Wu
Thank you for te info. May I have to change the 7800.rom.


no, you simply have to find the option to switch between common a7800 and the prototype BIOS

alternatively, you can run by command line

mess.exe a7800 -bios 1


Wow great. Thank you so much ! Itīs really simple and working. smile

Last edited by Anna Wu; 10/12/08 12:18 PM.
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Originally Posted By Anna Wu
SVN revision 3436

A400/A800 driver

Cartridge support

Can it be, only 16K (16.384) carts are working ?
Carts with smaller or bigger sizes are not working for me.


16K working
8K, 32K, 65K, 131K not working

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Originally Posted By Anna Wu
SVN revision 3429

Any ABC80x driver

If I try to start the emulator, I get following error message:

src/mess/drivers/abc80x.c: abc802 CPU 1 space memory map entry references nonexistant device type Luxor ABC-77,
tag abc77:abc77


SVN revision 3444

The Problem seems to be fixed. Thanks Curt.

abc800m driver

I am not able to start a loaded disk.
As example: demo11.dsk

RUN DEMO

Tried the same file with ABCWIN 2.0 Beta and it works.




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ABC80/80x drivers
It is impossible for me, to find any tape file to test the tape function on MESS. smile

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Originally Posted By Anna Wu
Originally Posted By etabeta78
Originally Posted By Anna Wu
Thank you for te info. May I have to change the 7800.rom.


no, you simply have to find the option to switch between common a7800 and the prototype BIOS

alternatively, you can run by command line

mess.exe a7800 -bios 1


Wow great. Thank you so much ! Itīs really simple and working. smile


What's interesting about this is that the "PAL" 7800 BIOS with the built in Asteroids game is actually both NTSC and PAL. ;-) Though it was only previously enabled for PAL.
The two new 7800 BIOS prototype's that were found are NTSC only though.

Mitch

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Originally Posted By Mitch

What's interesting about this is that the "PAL" 7800 BIOS with the built in Asteroids game is actually both NTSC and PAL. ;-) Though it was only previously enabled for PAL.
The two new 7800 BIOS prototype's that were found are NTSC only though.

Mitch


Theres more than one?

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Originally Posted By incog
Originally Posted By Mitch

What's interesting about this is that the "PAL" 7800 BIOS with the built in Asteroids game is actually both NTSC and PAL. ;-) Though it was only previously enabled for PAL.
The two new 7800 BIOS prototype's that were found are NTSC only though.

Mitch


Theres more than one?


There are two released versions of the 7800 BIOS. The standard NTSC one with the Atari logo; and the one with the built in Asteroids game that is both NTSC and PAL but usually labeled as PAL only.

There are three prototype versions. One is an early version of the standard NTSC BIOS, one is a version of the standard NTSC BIOS and includes a built in copy of Pole Position and lastly there is the one that is an early version of the BIOS with the built in Asteroids but supports NTSC only.

There are also three newer dev BIOS releases but I don't know if you care about those.

Mitch

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Anna Wu Offline OP
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Originally Posted By Mitch
Originally Posted By incog
Originally Posted By Mitch

What's interesting about this is that the "PAL" 7800 BIOS with the built in Asteroids game is actually both NTSC and PAL. ;-) Though it was only previously enabled for PAL.
The two new 7800 BIOS prototype's that were found are NTSC only though.

Mitch


Theres more than one?


There are two released versions of the 7800 BIOS. The standard NTSC one with the Atari logo; and the one with the built in Asteroids game that is both NTSC and PAL but usually labeled as PAL only.

There are three prototype versions. One is an early version of the standard NTSC BIOS, one is a version of the standard NTSC BIOS and includes a built in copy of Pole Position and lastly there is the one that is an early version of the BIOS with the built in Asteroids but supports NTSC only.

There are also three newer dev BIOS releases but I don't know if you care about those.

Mitch


You are talking about the Pole_Position_2_BIOS_Proto.bin ( 32K ), right ?

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Originally Posted By Mitch
There are three prototype versions. One is an early version of the standard NTSC BIOS, one is a version of the standard NTSC BIOS and includes a built in copy of Pole Position and lastly there is the one that is an early version of the BIOS with the built in Asteroids but supports NTSC only.

There are also three newer dev BIOS releases but I don't know if you care about those.

Mitch


yes, we care. do you have additional info and/or docs?

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Originally Posted By Mitch

There are two released versions of the 7800 BIOS. The standard NTSC one with the Atari logo; and the one with the built in Asteroids game that is both NTSC and PAL but usually labeled as PAL only.

There are three prototype versions. One is an early version of the standard NTSC BIOS, one is a version of the standard NTSC BIOS and includes a built in copy of Pole Position and lastly there is the one that is an early version of the BIOS with the built in Asteroids but supports NTSC only.

There are also three newer dev BIOS releases but I don't know if you care about those.

Mitch


Currently we only support the 2 standard NTSC and PAL dumps and the asteroids prototype bios. Do you have the checksum for the older ntsc bios version? I'm wondering if its the same as the checksum commented out in a7800.c smile

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