Blinking the Hercules screen. bbsimcga.exe & mg2.com on RGB2HDMI \ VOGONS

Blinking the Hercules screen. bbsimcga.exe & mg2.com on RGB2HDMI

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First post, by shimart

Posted on 2022-03-10, 05:00

shimart Offline

Rank Newbie

Rank: Newbie
Posts: 55
Joined: 2020-04-30, 14:39
Location: Seoul, Korea

Hello, I'm using RGB2HDMI well.
Thank you to the original author for sharing the DIY data.
I have memories of the Hercules MDA screen when I was a kid.
That's why I'm using RGB2HDMI.
But I want to use one of the CGA emulation utils, <bbsimcga.exe> or <mg2.com>, but these two apps have blinking problems.
I uploaded a link to YouTube.
I would appreciate it if you could give me a hint on how to solve it.
Like a profile or other setting method.
Thank you for reading it.

https://youtu.be/kH_48H5qw0U

1-----------------------LOOP------------------------
2Analyze Csync: polarity unchanged (inverted)
3Detected polarity state = 1, +H-V (Separate H & V CPLD)
4clkinfo.clock = 16000000 Hz
5clkinfo.line_len = 864.000000
6clkinfo.clock_ppm = 4500 ppm
7Nominal 100 lines = 5400000 ns
8Actual 100 lines = 5699611 ns
9Clock error = 55483 PPM
10WARN: PPM error too large, using nominal clock
11Error adjusted clock = 16000000 Hz
12Target PLL frequency = 2304000000 Hz, prediv = 1, PER = 4
13Actual PLL frequency = 2304000000 Hz
14GPCLK Divisor = 6
15Lines per frame = 271, (271)
16Actual frame time = 15445767 ns (non-interlaced), line time = 56995 ns
17Window: H=56739 to 57251, V=15376262 to 15515272
18Sync=+H-V, Det-Sync=+H-V, Det-HS-Width=9968, HS-Thresh=9000
19Width or Height differ from last FB: Setting dummy 64x64 framebuffer
20Overscan L=0, R=0, T=0, B=0
21Initialised Framebuffer
22Size: 960x720 (req 960x720). Addr: 1E000000 (DE000000)
23Screen size = 1920x1080
24Pitch=960, width=960, height=720, sizex2=5, bpp=8
25chars=90, nlines=350, hoffset=4, voffset=4, ncapture=-1
26palctrl=0, samplewidth=2, hadjust=120, vadjust=10, sync=0x1
27detsync=0x1, vsync=0, video=0, ntsc=8, border=0, delay=3
28Timing exceeds window: H=57060, V=30891462, Lines=541, VSync=0
29Mode changed=1, ret=40, fb_size_changed=0, restart_profile=0, HsyncT=9000
30-----------------------LOOP------------------------
31Analyze Csync: polarity unchanged (inverted)
32Detected polarity state = 1, +H-V (Separate H & V CPLD)
33clkinfo.clock = 16000000 Hz
34clkinfo.line_len = 864.000000
35clkinfo.clock_ppm = 4500 ppm
36Nominal 100 lines = 5400000 ns
37Actual 100 lines = 5699536 ns
38Clock error = 55469 PPM
39WARN: PPM error too large, using nominal clock
40Error adjusted clock = 16000000 Hz
41Target PLL frequency = 2304000000 Hz, prediv = 1, PER = 4
42Actual PLL frequency = 2304000000 Hz
43GPCLK Divisor = 6
44Lines per frame = 271, (271.001)
45Actual frame time = 15445733 ns (non-interlaced), line time = 56995 ns
46Window: H=56739 to 57251, V=15376228 to 15515238
47Sync=+H-V, Det-Sync=+H-V, Det-HS-Width=10033, HS-Thresh=9000
48Width or Height differ from last FB: Setting dummy 64x64 framebuffer
49Overscan L=0, R=0, T=0, B=0
50Initialised Framebuffer
51Size: 960x720 (req 960x720). Addr: 1E000000 (DE000000)
52Screen size = 1920x1080
53Pitch=960, width=960, height=720, sizex2=5, bpp=8
54chars=90, nlines=350, hoffset=4, voffset=4, ncapture=-1
55palctrl=0, samplewidth=2, hadjust=120, vadjust=10, sync=0x1
56detsync=0x1, vsync=0, video=0, ntsc=8, border=0, delay=3
57Timing exceeds window: H=56952, V=30891599, Lines=542, VSync=0
58Mode changed=1, ret=40, fb_size_changed=0, restart_profile=0, HsyncT=9000
59-----------------------LOOP------------------------
60Analyze Csync: polarity unchanged (inverted)

…Show last 53 lines

61Detected polarity state = 1, +H-V (Separate H & V CPLD)
62clkinfo.clock = 16000000 Hz
63clkinfo.line_len = 864.000000
64clkinfo.clock_ppm = 4500 ppm
65Nominal 100 lines = 5400000 ns
66Actual 100 lines = 5699534 ns
67Clock error = 55469 PPM
68WARN: PPM error too large, using nominal clock
69Error adjusted clock = 16000000 Hz
70Target PLL frequency = 2304000000 Hz, prediv = 1, PER = 4
71Actual PLL frequency = 2304000000 Hz
72GPCLK Divisor = 6
73Lines per frame = 271, (271.001)
74Actual frame time = 15445900 ns (non-interlaced), line time = 56995 ns
75Window: H=56739 to 57251, V=15376394 to 15515406
76Sync=+H-V, Det-Sync=+H-V, Det-HS-Width=9971, HS-Thresh=9000
77Width or Height differ from last FB: Setting dummy 64x64 framebuffer
78Overscan L=0, R=0, T=0, B=0
79Initialised Framebuffer
80Size: 960x720 (req 960x720). Addr: 1E000000 (DE000000)
81Screen size = 1920x1080
82Pitch=960, width=960, height=720, sizex2=5, bpp=8
83chars=90, nlines=350, hoffset=4, voffset=4, ncapture=-1
84palctrl=0, samplewidth=2, hadjust=120, vadjust=10, sync=0x1
85detsync=0x1, vsync=0, video=0, ntsc=8, border=0, delay=3
86Mode changed=0, ret=0, fb_size_changed=1, restart_profile=0, HsyncT=9000
87-----------------------LOOP------------------------
88Analyze Csync: polarity unchanged (inverted)
89Detected polarity state = 1, +H-V (Separate H & V CPLD)
90clkinfo.clock = 16000000 Hz
91clkinfo.line_len = 864.000000
92clkinfo.clock_ppm = 4500 ppm
93Nominal 100 lines = 5400000 ns
94Actual 100 lines = 5699566 ns
95Clock error = 55475 PPM
96WARN: PPM error too large, using nominal clock
97Error adjusted clock = 16000000 Hz
98Target PLL frequency = 2304000000 Hz, prediv = 1, PER = 4
99Actual PLL frequency = 2304000000 Hz
100GPCLK Divisor = 6
101Lines per frame = 271, (271.003)
102Actual frame time = 15445834 ns (non-interlaced), line time = 56995 ns
103Window: H=56739 to 57251, V=15376328 to 15515340
104Sync=+H-V, Det-Sync=+H-V, Det-HS-Width=9968, HS-Thresh=9000
105Width or Height differ from last FB: Setting dummy 64x64 framebuffer
106Overscan L=0, R=0, T=0, B=0
107Initialised Framebuffer
108Size: 960x360 (req 960x360). Addr: 1E000000 (DE000000)
109Screen size = 1920x1080
110Pitch=960, width=960, height=360, sizex2=0, bpp=8
111chars=90, nlines=350, hoffset=4, voffset=4, ncapture=1
112palctrl=0, samplewidth=2, hadjust=120, vadjust=5, sync=0x1
113detsync=0x1, vsync=0, video=0, ntsc=8, border=0, delay=3

Attachments

Filename

MG2.zip

File size

4.77 KiB

Downloads

31 downloads

File license

Public domain
Filename

BBSIMCGA.zip

File size

930 Bytes

Downloads

31 downloads

File license

Public domain

Reply 1 of 2, by Jo22

Posted on 2022-03-10, 05:24

Jo22 Offline

Rank l33t++

Rank: l33t++
Posts: 9645
Joined: 2009-12-13, 07:06
Location: Europe

Hi there!

I don't know an answer, either, but here's some good information about MDA/Hercules.

What differs a bit from CGA is the high-intensity pin, I guess.

https://www.seasip.info/VintagePC/mda.html
https://www.seasip.info/VintagePC/cga.html
https://www.seasip.info/VintagePC/hercplus.html

"Time, it seems, doesn't flow. For some it's fast, for some it's slow.
In what to one race is no time at all, another race can rise and fall..." - The Minstrel

//My video channel//

Reply 2 of 2, by dadecoza

Posted on 2024-04-30, 19:43

dadecoza Offline

Rank Newbie

Rank: Newbie
Posts: 1
Joined: 2024-04-28, 15:56

did you ever find a solution for this? I'm having the same issue.

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