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After some digging/debugging, it turns out we need to set the following variable to '1' to have this 5th LED working: DEFAULT_MB6582_CS I found this out by this table in src/cs_menu_leds.inc where the fifth bit (reading from right to left) is only set in the first 'if' routine: CS_MENU_LED_LFO_Wav_Pattern andlw 0x0f ; 16 entries JUMPTABLE_2BYTES_UNSECURE retlw b'00000001' ; Sine retlw b'00000010' ; Triangle retlw b'00000100' ; Saw retlw b'00001000' ; Pulse retlw b'00010000' ; Random #if DEFAULT_MB6582_CS retlw b'00100001' ; Positive Sine retlw b'00100010' ; Positive Triangle retlw b'00100100' ; Positive Saw retlw b'00101000' ; Positive Pulse #else retlw b'00010001' ; Positive Sine retlw b'00010010' ; Positive Triangle retlw b'00010100' ; Positive Saw retlw b'00011000' ; Positive Pulse #endif retlw b'00011111' ; reserved retlw b'00011111' ; reserved retlw b'00011111' ; reserved retlw b'00011111' ; reserved retlw b'00011111' ; reserved retlw b'00011111' ; reserved retlw b'00011111' ; reserved

I have still exactly the same 'issue'... From another place in the manual ( LFO section ) http://ucapps.de/midibox_sid_manual_l.html Wav (Waveform): selects the shape of the LFO. Following waveforms are provided: Sine, Triangle, Pulse, Ramp (Sawtooth), Random (Sample&Hold), and positive Sine/Triangle/Pulse/Ramp So I would indeed expect the 'positive' LED to be lit (new style?), in stead of the multiple leds (old style?) when selecting the other waveforms in the active/selected LFO... Will be doing some more investigations in the ASM configuration file, as it seems to be another setting :-)

Hi @TK. A great alternative for this would be to have the active SID led 'flash/dim' whenever there is midi activity like this is done in the FM v1. (instrument 1/4 led flash/dim) Would that be a feasible option (both programming wise, as resource PIC wise)?

my problem was a bad driver chip on the bhp_seq interface board....

Hi Keeze, I am not sure how, but I missed your offer. Many, many thanks, but sorry again for missing your response. Currently I am running with 2 blue modules, and my problem was solved by replacing the driver IC on the mbhp_seq interface board. So many thanks for your offer, and unless your are going to scrap our lcd's, I am not in a need anymore.

I just shared this thread in the Discord channel. Maybe that helps. At least there are knowledgable people there :-) Also tried to find some clues in the code, but this is hard for me. I did find something interesting (not sure if it is relatated at all), in src/cs_menu_leds.inc Searching for the word 'TMP5' shows in line 127: 127 ;; TMP5[5..0]: LFO waveform and in line 159: 159 ;; TMP5[6]: SID play state So in this file it looks like it's structured, but is the 'array' [5..0] correct? Should it be [4..0], and should there be a separate section for TMP5[5]?

Hi Oli, I just stumbled upon your question, and I never considered this function, however, it might be interesting... My first question would also be, which of the LFO's would it indicate, as there are 6? Is it a sum? Not sure.... As a test I configured my ASM file, and added a line for the function (and removing a working function from the hardware position just like you did). In my case the first SR1,0 (normally used for SID1 LED indicator). DOUT_ENTRY TMP5, 4, 0, 0 ; LFO Random LED DOUT_ENTRY TMP5, 5, 1, 0 ; LFO positive LED ;; additional LED functions which could be added: However, on first test, no magic....` I will also have a look to see if I get thus going in a way...

Did you have any better result with the 5v version?

Hi, Anyone got a spare TLV5630IDW ?

Hi All, I see a lot of folks have migrated to OLED for their SEQv4. boxes. Anyone willing to sell their old LCD? Location in Europe, otherwise shipping will be to expensive... Thanks in advance!

Hi, are all the connections shared, except the CS? when I use either SD , or Ethernet these work, but not at the same time…

Hi All, I purchased these 2 LCD display's but with the 'universal' driver in the MB-SEQv4 the output is garbled. After some more searching, it looks like these displays are '4-bit'. Can I choose a compatible driver and compile after that? Which one would suffice from the list: clcd_parallel holtek16514 ipad juce macos pcd8544 ssd1322 st7637 t6963_h t6963_v uc1610 universal The specs I could find for my display: Product Introduction: Model : LCM4002A-Ver 1 Product Type: Character LCD Module Display Format: 40*02 Characters Interface: 6800 4-bit Parallel Font: English/Japanese Control chip:SPLC780D Outline Dimension: 182.00(W)x33.50(H)x14.50(T)mm Visual Area: 163.00×26.60mm Active Area: 147.50×11.50mm Viewing Direction: 6:00 IC Package: COB Power Supply(Typ): 5.0V

Sourcing in the following is important for compiling: source_me_MBHP_CORE_STM32F4 It looks like I can compile after installing Debian package: sudo apt install gcc-arm-none-eabi After this, I can successfully compile!

Hi all, During build of my new SEQ hardware, I am struggling to get LCD working. I would like to see if I can switch to 4 bit mode, but need to compile the application for this. Do I need to pull this repo: https://github.com/midibox/mios32/tree/master/apps/sequencers/midibox_seq_v4 as startpoint for finding the source/adapt and compile like with MB SID app? Thanks!

Hi All, I understood the following in the 'retrocomp.cz' website: 15 June 2024 - new ARMSID firmware 2.16 One of the changes I noted was the capability of using the ext-in with this firmware. I really like that, but this feature is not yet available on the ARM2SID I have on my unit, but after checking with Martin, he replied that this is in the works and will be released also soon... I am looking forward for people able to test this feature, the results of the audio quality, and mods needed...

Hi, What is the most new/modern core one could/should use for usage with the SID (clones). Can a LPC17 or STM board do the job? I cannot find a clear yes/no compatibility list on the midibox NG pages…. many thanks, ron

Hi Thorsten, I completely missed your answer, the forum apparently does not default to notifications on my own threads… At this moment I am enjoying holidays, but when returned I can certainly compile. I have done this a couple of times now for debugging/changing DIN/DOUT functions. Please let me know we’re to look….

While looking at possibilities for my build (mbhp + arm2sid), I found this threat. There is support for input already on the regular Armsid, Arm2sid should follow soon. The original page/schemas from the 1st article is offline, I found a archived version here: https://web.archive.org/web/20220331115422/http://www.bigmech.com/misc/c64mods/feedbackloop.html

Hi All, I would like to have a LED indicating the midi clock as global indicator of the connections. Is this feasible? I tried searching the forum for sync/pulse/clock but I did not find any clue yet. Any help is appreciated! Thanks, ron

Just curious, which album/track from Pink is this?

Hi! I am trying to achieve the same, use a 4x20 LCD display. I followed the instruction, and noticed the 2 default lines have shifted down 1 row. They are now in the middle two lines of the LCD. I guess that's fine for now. #define CS_MENU_DISPLAYED_ITEMS 10 #define DEFAULT_LCD_LINE_Y0 0x40 #define DEFAULT_LCD_LINE_Y1 0x14 #define DEFAULT_LCD_LINE_Y2 0x00 #define DEFAULT_LCD_LINE_Y3 0x54 But I'm not sure about these: ;; NOTE: if CS_MENU_DISPLAYED_ITEMS > 5, you have to adapt the DIN settings ;; in CS_MENU_DIN_TABLE below In the code: DIN_ENTRY CS_MENU_BUTTON_Sel6, 0, 0 ; define this if CS_MENU_DISPLAYED_ITEMS > 5 DIN_ENTRY CS_MENU_BUTTON_Sel7, 0, 0 ; define this if CS_MENU_DISPLAYED_ITEMS > 5 DIN_ENTRY CS_MENU_BUTTON_Sel8, 0, 0 ; define this if CS_MENU_DISPLAYED_ITEMS > 5 DIN_ENTRY CS_MENU_BUTTON_Sel9, 0, 0 ; define this if CS_MENU_DISPLAYED_ITEMS > 5 DIN_ENTRY CS_MENU_BUTTON_Sel10, 0, 0 ; define this if CS_MENU_DISPLAYED_ITEMS > 5 How do I need to interpret this? Please remember I am a real MB newbie :-) Thanks, Ron

Hi, Thanks for the feedback. Currently I am using an older type of PCB for the core and trying on getting that to work. I did notice the Modular Addicts base boards, and these look mighty fine, but shipping costs hold me back. 2 PCB's for total of 90 dollars is a bit expensive... Would be nice to have a European store. Cheers!

Hi, I would like to use the MIOS studio on my Linux PC, but both version 2.4.8 + 2.4.9 crash on startup. I tried regular user, also as root. Regular user indicates a core dump is created. OS is Linux Ubuntu 22_04, desktop version. starting with strace does not reveal any suspects. Are there any specific requirements?

Hi all, I have just started to dive into the MidiBox world, so . My current goal is to use maximum 2 SID chips. I have the core running already and now working on the banksticks and DIN/DOUT. Because I have no experience yet with the Midibox, it is just not clear to me yet, what the minimum amount of knobs/switches/leds is versus the goal of quickly operating the synth and al of it's features. I guess i'm looking for a balance between a clean front, which jus the amount of dials/switches for making music. On the front-page manual ( http://www.ucapps.de/index.html?page=midibox_sid_manual_fs.html ) there is talked about the 'Step A Surface'. I guess for my current needs, this would fit my needs. However, I do not find any links to a designed faceplate. I would be more than happy with something made out of PCB (isof Schaeffer) like done in modular world today, eg: https://canada1.discourse-cdn.com/free1/uploads/lookmumnocomputer/original/2X/d/dcfa477fc85074523b9ff74d32dcfe69ee1c253f.png Does anyone have any links to forum items which could help me with that? Best regards, Ronald