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I agree with the lack of DEF, but I'm trying to work via the example as given, and the ashello.asm is what is in the example folder on github. D:\classic99_vm\classic99_asm\mydisks\dsk1>type ashello.asm * HELLO WORLD IDT 'ASHELLO' REF VSBW,VMBW,VWTR REF KSCAN JMP START WRKSP EQU >8300 KMODE EQU >8374 KCODE EQU >8375 GPLST EQU >837C MESSG TEXT 'HELLO WORLD' TEXT ' hit any key!' MESSGL EQU $-MESSG START LIMI 0 LWPI WRKSP * CLEAR SCREEN CLR R0 LI R1,'* ' LI R2,24*32 CLS BLWP @VSBW INC R0 DEC R2 JNE CLS * WRITE WELCOME MESSAGE LI R0,2*32+3 LI R1,MESSG LI R2,MESSGL BLWP @VMBW * CHECK KEY PRESSES LI R8,>FF00 CLR R9 NEXT LIMI 2 NOP LIMI 0 MOVB R9,@GPLST KEYSC MOVB R9,@KMODE BLWP @KSCAN CB @KCODE,R8 JEQ KEYSC MOVB @KCODE,R0 SRL R0,8 ANDI R0,>000F ORI R0,>0700 BLWP @VWTR JMP NEXT END D:\classic99_vm\classic99_asm\mydisks\dsk1> I did not compile with the DF80 option, but checking the debugger, I didn't see it give any errors on load, or compile. Type: FIAD. Compiler command used was: D:\classic99_vm\classic99_asm>python ..\xdt99-3.0.0\xas99.py -R .\mydisks\dsk1\ashello.asm -L .\mydisks\dsk1\ashello.lis -o .\mydisks\dsk2\ > --- <L> **** - ***** Warning: Unresolved references: VSBW, VMBW, KSCAN, VWTR

Sure, I'm just missing something simple here, I have installed xasm99 and classic99. I'm working through the tutorial found here: https://endlos99.github.io/xdt99/ I think I'm doing everything right, here is the object file I have in dsk2: D:\classic99_vm\classic99_asm\mydisks\dsk2>type ashello_o 0007EASHELLO A0000B100DB4845B4C4CB4F20B574FB524CB4420B2020B68697F19FF 0001A0012B7420B616EB7920B6B65B7921B0300B0000B02E0B8300B04C0B02017F2F9F 0002A0028B2A20B0202B0300B0420B0000B0580B0602B16FBB0200B0043B02017F336F 0003A003EC0002B0202B001AB0420B0000B0208BFF00B04C9B0300B0002B10007F31FF 0004A0054B0300B0000BD809B837CBD809B8374B0420B0000B9220B8375B13F97F2D4F 0005A006ABD020B8375B0980B0240B000FB0260B0700B0420B0000B10E87F410F 000630030VSBW 30046VMBW 3007AVWTR 30062KSCAN 7F5AFF 0007: xdt99 xas 0008 I'm able to use E/A option 3, to load ashello_o - no complaints from the loader. I then enter through to PROGRAM NAME? I've tried leaving program name blank, I've also tried START. In any case, I'm always rewarded with: The tutorial seems solid, so I'm pretty sure, it's something I'm missing! Thanks!

This is an 'article' by Anne Dhein, which did a really good survey of many of the graphics programs and utilities available for the 99/4a. I believe this was 'serialized' in newsletters. Unfortunately, my copy is from the cyc, and it says 'missing part 4' does anyone have the whole thing, or part 4?

mizapf, Is there a way to crank up the speed of MAME, I know for things like most arcade games, close to original timing is optimal, when it comes to things, like compiling MDOS - a 2Ghz TMS9995 would be nice!

What is Geneve compatibility? I mean, yes, you want to run MDOS, but, so what if you have you have to make a 200 byte addition to MDOS, to use a much better clock chip? Lou Phillips, had to do that with the Geneve. Everyone wanted a TI compatibility layer + more (primarily a DOS like environment). We are gifted in that MDOS source is freely available, primarily thanks to Beery.

Maybe way off base. But from what I know, reasons for QI: 1) Cheaper to make (a real selling point, when your paying everyone a $100 rebate on a $100 dollar computer, cause you'll make it up selling software). 2) Lock out 3rd party modules. The was done in the firmware, and also apparently from what this thread says, locking out of the side port. 3) Some of the side port modules sold had really hard teeth (fingers?), and TI issued a particular warning, that they would NOT be responsible for damage to the side port, if 3rd party modules were used.

This looks really good to me.. Would probably run cooler, maybe give more power? And for a hack like me, definitely easier to debug than any of the other power supplies!

PCB's are in from China! Price for 10 boards was about $80 dollars (about half for the boards and half for shipping) 57 MX1A-11NW key switches - need to be ordered from Mouser. Price: About $40 for the switches and $8 for shipping.

If you have the cyc, there are a bunch of disks under cadd, cyc, usrgroup, munch.

I received a shipment of 10 boards, I'll pull the package open this weekend, and try to eye ball them for being "right" - since I don't have one, I'll just have to see if the keys are in the right place. Boarding house rules - everyone gets firsts before anyone gets seconds. If you interested, message me your address, if they seem right, I'll mail you a board. It will probably be in the 12-15 dollar range. When / If I mail you a board I'll let you know, if it meets you need your needs, once you get it, you can send me some money... Probably be at least next weekend before any boards go out.

If you have to put in new voltage regs, you should use the new uber cool ones Tim found. I think found earlier in this thread. While the advice is a bit late, many people that add a holder for the clock battery, used a band saw or grinding wheel to remove a bit of the battery holder along the top of the card so there was the potential for a hit, when putting it back in a case.

Thanks Mizapf! - I'm betting there are very few heavy cassette users, also using a SNUG SGCPU! 😃 Do any of you web guru's understand how to work the captcha at: https://www.s-n-u-g.de/home/index.php All I get is a number pad, maybe something in all three of my browsers are blocking something?

The schematic! 😃phc-d25.pdf

I think in the case of the cases, he probably had plans to make a PCB, I know he had purchased a stock of the hexbus controller chip....

SAMS memory access isn't supported by MDOS/Geneve. For memory expansion, you can add and additional 32K static chip (stacked) - if not already done. Heavily Modify a Myarc 512K Card. Or if you are luck enough to find one a Horizon Memex Card.

I only ever thought of the cassette player as a torture device of my teenage years. Does the cassette recorder gate through the sound chip or is there a dedicated A<>D device?

FWIW - I had this exact same problem when I was playing with Fortran99, about ever other time, I'd open the source file for editing and I'd have to delete a bunch of garbage at the end of the file.... I wasn't doing anything crazy like running multiple copies of Classic99 or closing the application in the editor, and it wasn't always consistent. I don't blame Classic99 because Tursi has said many times, don't use disk images.... and that MAME is a fine option! 😃

Did anyone make one of these? I have the schematics from the SNUG manual, but not being an electronics guy, I do much better, copying something, that someone has already made.

HexBus Interface, I purchased one of the two from the CB Wilson Estate. I've ALWAYS wanted one of these. I thought I was close, I visited Michael's Becker's Magical Basement, and he had made about 20 cases for HexBus interfaces, but he never made them. I'm hoping the HexBus Interface works and I can get it to work the Arduino based HexBus drive that Vorticon has been using and debugging.

Bump for poor Dan: First Question - What's the latest release of MDOS (GeneveOS)? Looking on WHTech.com - I see a directory called Geneve and Geneve.new. Geneve.new has MDOS - now recommended to be called GeneveOS - to remove association with MyARC. - 6.50 Geneve has also MDOS 6.7RC2 - Was MDOS 6.7 ever released?

Beery, If you can remember what fairs you did MDOS Programming sessions at, perhaps the tapes are available somewhere?

First Question - What's the latest release of MDOS (GeneveOS)? Looking on WHTech.com - I see a directory called Geneve and Geneve.new. Geneve.new has MDOS - now recommended to be called GeneveOS - to remove association with MyARC. - 6.50 Geneve has also MDOS 6.7RC2 - Was MDOS 6.7 ever released? Question #2 - Forth for MDOS (GeneveOS) Bill Sullivan (FDOS) (BRS Consulting?) worked for many years on a native Forth for the Geneve - I know John Carver was a serious user. I vaguely recall FDOS selling some of his TI Stuff to down size. Did anyone get Bill's Forth Source code?

ok you all, order placed, I'll let you know when something happens.

Best wishes for your quick return to health, and thanks for the great demo! I'll hit the order button tomorrow night.

can you press a button and pull up a keyboard, or use a bluetooth keyboard?