Over the past few months I did not deal with this problem, but I spent a lot of time writing and testing new arithmetic routines.
They are now faster and a bit smaller
coming soon. 
Regards,
Zsolt
Need for speed - the ROM-patches
Re: Need for speed - the ROM-patches
Hi Siggi,
Over the past few months I did not deal with this problem, but I spent a lot of time writing and testing new arithmetic routines.
They are now faster and a bit smaller coming soon.
Regards,
Zsolt
Over the past few months I did not deal with this problem, but I spent a lot of time writing and testing new arithmetic routines.
They are now faster and a bit smaller
coming soon. Regards,
Zsolt
ZX81 (8K), ENTERPRISE 128, [ZX SPECTRUM (48K,+,+128K,+2,+2A), TS1000, TS1500, TS2068, Cambridge Z88, PRIMO A64 (red)]
Re: Need for speed - the ROM-patches
Hi,
I built a new ROM image using the renewed arithmetics and a little patch in the 'NEXT' routine.
Enjoy,
Zsolt
I built a new ROM image using the renewed arithmetics and a little patch in the 'NEXT' routine.
- ClckFreq.p (performed on sz81)
- SG81F_BN.png (4.7 KiB) Viewed 282 times
Zsolt
- Attachments
-
- SG81F_ROM.ZIP
- (75.09 KiB) Downloaded 15 times
ZX81 (8K), ENTERPRISE 128, [ZX SPECTRUM (48K,+,+128K,+2,+2A), TS1000, TS1500, TS2068, Cambridge Z88, PRIMO A64 (red)]
Re: Need for speed - the ROM-patches
very nice work indeed... i should with this ROM be able to break the 1000% speed increase barrier with my 20Mhz uber zeddy.. best to date is 960%
regards Andy
regards Andy
6 x ZX81, 1 x TS1500 , 1 x +3e, 1 x timex 2040 printer, 1 x timex 2020 cassette deck, siclair printer and some spectrum
Re: Need for speed - the ROM-patches
wow... the fastest Zeddy in the west !
regards Andy
regards Andy
6 x ZX81, 1 x TS1500 , 1 x +3e, 1 x timex 2040 printer, 1 x timex 2020 cassette deck, siclair printer and some spectrum