Now deciding whether to buy a DE2-115, FPGA-Arcade, Natami, or a real Amiga 4000...
DE2-115 seems to be the most powerful of them. It has all we need. 128MB SDRAM, 2MB SRAM, 8MB Flash. USB, Ethernet, sound chip, video input, 24bit VGA, Cyclone IV with 11500 LEs 3,888 kbits RAM on FPGA, 266 multipliers. This can fly
And it has 2-way PS2 input (no more mouse on GPIO)
Only thing which lets the DE2-115 down is the crippled 8-bit Flash interface.
Why Terasic would do that to their top Cyclone 4 board is beyond me!
DE1, DE2 are both 8-bit interface to the Flash.
DE0, DE2-70 both have a 16-bit interface to the FLASH chip.
DE0 doesn't have any SRAM out of the box, but if you're comfortable with soldering TSOP SMD chips,
it's is fairly simple to do a "piggy-back" mod to add 2MB SRAM using a Renasas R1LV1616 chip.
Has an almost identical pin-out to the S29GL032 flash chip.
Just need to run an extra signal to the *CE pin on the SRAM.
Can post details if anyone is interested.