URL https://opencores.org/ocsvn/a-z80/a-z80/trunk

Subversion Repositories a-z80

[/] [a-z80/] [trunk/] [host/] [zxspectrum_de1/] [rom/] [readme.txt] - Diff between revs 8 and 11

Rev 8	Rev 11
Line 1...	Line 1...
`The "original" ZX Spectrum ROM`	`The "original" ZX Spectrum ROM`
`==============================`	`==============================`
`http://www.wearmouth.demon.co.uk/zx82.htm`	`http://www.wearmouth.demon.co.uk/zx82.htm`
`* I have "fixed" the NMI bug so the KEY1 which is connected to the NMI pin can be used.`	`* "fixed" the NMI bug so the KEY1 which is connected to the NMI pin can be used.`
	`* Added a custom NMI handler that provides a way to enter a POKE for a game by typing`
	`in the address (5 decimal digits) followed by the value (3 decimal digits)`
	`after which the value will be stored to the selected location.`

`The GOSH WONDERFUL ROM`	`The GOSH WONDERFUL ROM`
`======================`	`======================`
`http://www.wearmouth.demon.co.uk/gw03/gw03info.htm`	`http://www.wearmouth.demon.co.uk/gw03/gw03info.htm`

`Flash the "combined.bin" into the flash of your DE1 board at the address 0.`	`Flash the "combined.bin" into the flash of your DE1 board at the address 0.`
`SW0 selects which ROM image (which 16K block) is used.`	`SW0 selects which ROM image (which 16K block) is used.`

`See the User's Guide for more information on this design.`	`See the User's Guide for more information on this design.`

	`CREATE ROM IMAGES`
	`=================`
	`Run assemble.bat to create ZX Spectrum ROM (rom.bin)`
	`Run this command to append the two images:`
	`copy /b rom.bin + gw03.rom combined.rom`