Eagle Posted July 11, 2022 Author Share Posted July 11, 2022 I think VGM is better. Trackers like Deflemask, Furnace, SnevenTracker using VGM. Like in A8 world they using SAP/RMTLZSS. There is also nice player in 6502 using Exomizer https://github.com/simondotm/vgm-player-bbc 1 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5086713 Share on other sites More sharing options...
Cyprian Posted July 12, 2022 Share Posted July 12, 2022 (edited) @rj1307 @Eagle I wonder whether would be possible to apply 4kB (or 8kB) bank switching also for the RAM are. Now I see one huge 16kB block which can be replaced by another one. I see the scenario where the video data (or display list) are prepared/stored dynamically in the RAM, and reaching for the data/code in the other RAM bank would disturb the currently displayed data. Edited July 12, 2022 by Cyprian Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5087479 Share on other sites More sharing options...
rj1307 Posted July 13, 2022 Share Posted July 13, 2022 Of course you can divide the RAM into 4kb banks, but it would require redesigning the cartridge and probably changing the CPLD chip to a larger one. Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5087706 Share on other sites More sharing options...
Cyprian Posted July 18, 2022 Share Posted July 18, 2022 ok, anyway problem solved, @Eagle suggested to me that for the stability of the display, the Display List can be placed in 7800 internal RAM, so we can safely swap the external RAM 1 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5090235 Share on other sites More sharing options...
Eagle Posted July 24, 2022 Author Share Posted July 24, 2022 ? 17 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5093990 Share on other sites More sharing options...
+mksmith Posted July 24, 2022 Share Posted July 24, 2022 Very nice mate! Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5094015 Share on other sites More sharing options...
+Muddyfunster Posted July 24, 2022 Share Posted July 24, 2022 Very cool Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5094020 Share on other sites More sharing options...
Ecernosoft Posted July 25, 2022 Share Posted July 25, 2022 On 2/15/2021 at 3:32 PM, Synthpopalooza said: You should also try 320B. I did some experiments with interlacing that get about 70 colors in 160A, about 100 in 160B, and 20 in 320B. Its done by swapping charsets. OR, write an atari 2600 line kernal! do WSYNC before writes and each line, you can update 2 of the 4 colors using one pallete + transparency in 320B, theoretically in PAL meaning you can get 320*240 with 256 colors. OR 320*224 with 256 colors in NTSC mode. Useful only for titlescreens though. 1 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5094114 Share on other sites More sharing options...
Cyprian Posted July 25, 2022 Share Posted July 25, 2022 9 hours ago, Eagle said: ? great Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5094232 Share on other sites More sharing options...
Eagle Posted July 28, 2022 Author Share Posted July 28, 2022 Metal Slug (SN76489AN+TIA) by @miker MetalSlug_BaseCamp_SMS_TIA.ogg 4 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5096217 Share on other sites More sharing options...
+saxmeister Posted July 31, 2022 Share Posted July 31, 2022 On 7/24/2022 at 6:34 PM, Eagle said: ? This looks great. I'm so glad to finally see the 7800 getting the love and attention it deserves. So many great devs on this forum. You guys always blow me away. 2 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5097471 Share on other sites More sharing options...
Ecernosoft Posted August 12, 2022 Share Posted August 12, 2022 On 2/15/2021 at 3:32 PM, Synthpopalooza said: You should also try 320B. I did some experiments with interlacing that get about 70 colors in 160A, about 100 in 160B, and 20 in 320B. Its done by swapping charsets. Don't you mean Palletes? Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5104213 Share on other sites More sharing options...
miker Posted August 13, 2022 Share Posted August 13, 2022 No, CHARacter sets, such as this one: 1 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5104407 Share on other sites More sharing options...
Traxx Posted August 13, 2022 Share Posted August 13, 2022 (edited) On 7/31/2022 at 4:53 AM, saxmeister said: This looks great. I'm so glad to finally see the 7800 getting the love and attention it deserves. So many great devs on this forum. You guys always blow me away. You'll need to switch to asm to show real dedicated love.Not just for 7800 but to truly love programming Edited August 13, 2022 by Traxx Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5104421 Share on other sites More sharing options...
Ecernosoft Posted August 13, 2022 Share Posted August 13, 2022 8 hours ago, miker said: No, CHARacter sets, such as this one: That is C64 PETSCII. Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5104542 Share on other sites More sharing options...
Ecernosoft Posted August 13, 2022 Share Posted August 13, 2022 7 hours ago, Traxx said: You'll need to switch to asm to show real dedicated love.Not just for 7800 but to truly love programming Yes. And that's where I come in! *speaking of Discord, I'll try to make a Discord account. When I am successful, I'll let you know. * Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5104543 Share on other sites More sharing options...
+Muddyfunster Posted August 13, 2022 Share Posted August 13, 2022 2 minutes ago, Ecernosoft said: That is C64 PETSCII. Nope. Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5104544 Share on other sites More sharing options...
Ecernosoft Posted August 13, 2022 Share Posted August 13, 2022 29 minutes ago, Muddyfunster said: Nope. Well it sure looks like it! This is C64 petscii: After looking at it they are SLIGHTLY different. 1 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5104557 Share on other sites More sharing options...
+Muddyfunster Posted August 13, 2022 Share Posted August 13, 2022 The ones that Miker linked are ATASCII I believe. Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5104770 Share on other sites More sharing options...
Traxx Posted August 13, 2022 Share Posted August 13, 2022 Who cares what is C64 petscii,get on with the programming games 2 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5104786 Share on other sites More sharing options...
+Muddyfunster Posted August 13, 2022 Share Posted August 13, 2022 never mind Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5104794 Share on other sites More sharing options...
RevEng Posted August 14, 2022 Share Posted August 14, 2022 On 8/13/2022 at 3:29 AM, Traxx said: You'll need to switch to asm to show real dedicated love.Not just for 7800 but to truly love programming It's not a cult, and there's not just one true way to "show real dedicated love". Try to broaden your mind a bit. 7 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5105415 Share on other sites More sharing options...
Synthpopalooza Posted August 19, 2022 Share Posted August 19, 2022 On 8/12/2022 at 7:02 PM, Ecernosoft said: Don't you mean Palletes? No. Two fonts get swapped in my method, no palette or color changes. You store two fonts in memory, then swap the character set pointer every cycle to blend them. The only one of these which swaps color registers is my 320D experiments, which is necessary to create a vertical line interlace 1 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5108337 Share on other sites More sharing options...
Traxx Posted August 21, 2022 Share Posted August 21, 2022 (edited) On 8/14/2022 at 3:45 PM, RevEng said: It's not a cult, and there's not just one true way to "show real dedicated love". Try to broaden your mind a bit. To get the most out of the hardware though it does take what I said,at the end of the day assembly is needed for the most sophisticated games there is no way around that.Those that learn assembly game programming are leaps and bounds beyond basic game programmers that is a fact,I cannot broaden my mind to the fact it takes 10+ years to master assembly programming,I understand your point but no,never are these two even close. Edited August 21, 2022 by Traxx Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5108974 Share on other sites More sharing options...
RevEng Posted August 21, 2022 Share Posted August 21, 2022 1 hour ago, Traxx said: To get the most out of the hardware though it does take what I said,at the end of the day assembly is needed for the most sophisticated games there is no way around that.Those that learn assembly game programming are leaps and bounds beyond basic game programmers that is a fact,I cannot broaden my mind to the fact it takes 10+ years to master assembly programming,I understand your point but no,never are these two even close. Goalposts are being moved. Your claim was "You'll need to switch to asm to show real dedicated love". If you don't wish to broaden your mind to the fact that your hobby rules don't apply to others, then I guess we have nothing more to say here. 7 Quote Link to comment https://forums.atariage.com/topic/315966-my-experiments-with-atari-7800/page/8/#findComment-5109016 Share on other sites More sharing options...
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