MiniMig with AGA

[ChaosLord]

Um, y'all do know that the v3 and higher coldfire chips are faster and cheaper than all of those 68Ks, and can translate whichever core you want to use just by changing out the library you use in the boot ROM, right?

Wrong.  They are completely incompatible.  This has been covered.

[ChaosLord]

How are we supposed to play 4-player Amiga games with only 2 joystick ports?  Is there a PAR: port for me to plug in my 4-player-adapter?

[ChaosLord]

@djmartins

haha, good joke  but seriously I know 5 local people who like to play good Amiga games.

[ChaosLord]

I can play Amiga games on my 61" monitor any time I like.  But I am not married. :razz:

[ChaosLord]

@Yaqube

                               
 The Replay is equipped with 24-bit Audio DAC (capable of 192 kHz sampling rate) but right now only 16-bit precision is used. It may change when the CPU core is fast enough to mix channels in the Hi-Fi mode with reasonable rate but I'm rather sceptical if it's of any use as the noise floor of the board isn't as low.

Am I to understand that this is just 1 DAC, capable of a single audio channel of output?

Wouldn't there need to be 2 DACs for stereo output?

If it is DMA driven then why does the CPU need to do mixing?

                               
 The standard Amiga audio output is mixed with the 16-bit AHI output.

This is hardware mixed in FPGA code, correct?

[ChaosLord]

That was a little bit misleading, actually it's one stereo DAC IC containing two separate DACs, each for left and right channel.


Because it supports only one (stereo) channel.

What format does the DAC IC take?  1 word left + 1 word right, repeat.  ?

That is the DAC IC reads 1 DMA stream of data to produce 1 stereo ouput?

While Paula reads 2 distinct DMA streams of data to produce 1 stereo output.

[ChaosLord]

Adding new screen modes to an Amiga softcore on a Minimig or Natami does not involve adding ANY new hardware components at all, no ICs, no resistors, no boards, etc....

Wrong.  Minimig has a suxxy 12-bit DAC and is totally incapable of displaying AGA gfx modes.  So a minimig would need a new 24-bit DAC to support AGA modes.  Natami already has the correct DAC.  Have a nice day

[ChaosLord]

And who is developing ANY 24-bit screen mode games for classic Amigas anyway? (Answer:  Nobody)

So I am a nobody if I develop a 24-bit screen mode game for Classic Amigas?  Thanks.  You really know to make Amiga devs feel loved.

[ChaosLord]

One can still make AGA with 12-bit suxxy D/A. The difference is slightly worse picture.

The difference is dramatically, tremendously worse.

[ChaosLord]

Is this thread really this long?

No.

It is actually quite a bit longer than this.