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Forum: Hardware mods 04 December 2019, 18:35
Replies: 16
Views: 673
Posted By hooverphonique
Looks like one of your images is inverted - VCC...

Looks like one of your images is inverted - VCC has copper marked white, and I think OVV has copper marked black.



Why doesn't that count? - it's not like you go around and rename your layers...
Forum: Hardware mods 04 December 2019, 16:02
Replies: 16
Views: 673
Posted By hooverphonique
Yes, it indeed looks like the traces for VCC and...

Yes, it indeed looks like the traces for VCC and OVV belong on the same layer - maybe they were separated in the pcb explorer to make it clearer, that they are different voltages?

@cd32freak: you...
Forum: Coders. Asm / Hardware 04 December 2019, 12:10
Replies: 12
Views: 690
Posted By hooverphonique
This doesn't sound right, I think your problem is...

This doesn't sound right, I think your problem is not at which exact time you set COP1LC, but something else.


Btw, you mention cop1lcH, but the full 24 bit pointer is COP1LC - are you only...
Forum: Coders. Asm / Hardware 27 November 2019, 22:56
Replies: 7
Views: 489
Posted By hooverphonique
I'm pretty sure I always used the second method..

I'm pretty sure I always used the second method..
Forum: Coders. General 27 November 2019, 22:51
Replies: 4
Views: 310
Posted By hooverphonique
That's good news. I wonder if Microchip will make...

That's good news. I wonder if Microchip will make sure, the AVR backend is ported to the current representation!?
Forum: Coders. General 27 November 2019, 22:44
Replies: 106
Views: 2,737
Posted By hooverphonique
Interesting - I actually earlier pondered asking...

Interesting - I actually earlier pondered asking the compiler explorer team to include an m68k gcc on godbolt.org ;)
Now we just need it to generate motorola syntax :D
Forum: Coders. General 27 November 2019, 16:24
Replies: 106
Views: 2,737
Posted By hooverphonique
According to Bartman, it can - after benchmarking...

According to Bartman, it can - after benchmarking gcc 4,6, and 8 (I think - or maybe it was 6/7/8), he deemed that only 8 was good enough for demomaking, thus did the 8.3 vscode thing.

EDIT:...
Forum: Coders. Asm / Hardware 27 November 2019, 00:39
Replies: 153
Views: 14,989
Posted By hooverphonique
yes, that could probably do it. I was wondering...

yes, that could probably do it. I was wondering how the build is configured/triggered in your extension? There's no tasks.json for defining your build task!


If I run make as a "preLaunchTask" in...
Forum: Coders. General 26 November 2019, 17:59
Replies: 7
Views: 404
Posted By hooverphonique
If I'm not crazy, I'd say you can draw your...

If I'm not crazy, I'd say you can draw your single ground/sky line without any linedraw tricks, i.e. no xor, no first/last pixel removal.
Forum: Coders. General 26 November 2019, 12:14
Replies: 7
Views: 404
Posted By hooverphonique
if you're doing a split sky/ground with one color...

if you're doing a split sky/ground with one color for each, maybe you could combine it with a copper color change so you only need to blitter fill the triangle that has a non-horizontal edge..
Forum: Coders. General 22 November 2019, 16:11
Replies: 106
Views: 2,737
Posted By hooverphonique
Do you actually need to clear the destination...

Do you actually need to clear the destination inside the loop (*dstptr16 &= ..) ?

The blitter is perfect for this sort of copy with logical op applied, btw ;-)
Forum: Coders. Asm / Hardware 22 November 2019, 11:49
Replies: 18
Views: 723
Posted By hooverphonique
$FFFF/$FFFFFFFF are odd addresses - you can only...

$FFFF/$FFFFFFFF are odd addresses - you can only access even addresses with word or longword size.
As mentioned above, you probably meant #$FFFF, but even then it would crash if a0+d1 is odd.

on...
Forum: Coders. Asm / Hardware 20 November 2019, 11:35
Replies: 15
Views: 2,979
Posted By hooverphonique
Can't you package the emulator and the...

Can't you package the emulator and the proprietary OS separately to get around the GPL thing? I mean, if you only need minor mods on the emulator (which hardly would be worth protecting as your IP if...
Forum: Coders. Asm / Hardware 15 November 2019, 17:36
Replies: 4
Views: 268
Posted By hooverphonique
The size of the index register doesn't matter...

The size of the index register doesn't matter regarding cycles.
Forum: Coders. Asm / Hardware 15 November 2019, 17:32
Replies: 11
Views: 511
Posted By hooverphonique
Check the HRM for VPOSR ;) Edit:...

Check the HRM for VPOSR ;)

Edit: http://amigadev.elowar.com/read/ADCD_2.1/Hardware_Manual_guide/node0045.html
Forum: Coders. Asm / Hardware 15 November 2019, 17:10
Replies: 11
Views: 511
Posted By hooverphonique
Yes, to get the field sync correct, you need to...

Yes, to get the field sync correct, you need to set your bpl pointers according to if you're currently in the long or short field.

IIRC, you can read bit 15 of VPOSR to check for long frame (LOF).
Forum: Coders. Asm / Hardware 13 November 2019, 14:19
Replies: 153
Views: 14,989
Posted By hooverphonique
So you managed to get the "run" launch config to...

So you managed to get the "run" launch config to trigger a non-debug build? I don't see how the launch config is referencing a build config in order to get different builds for different launch...
Forum: Coders. Asm / Hardware 13 November 2019, 00:45
Replies: 153
Views: 14,989
Posted By hooverphonique
Ok, I was wrong. I took the vasm output as...

Ok, I was wrong. I took the vasm output as gospel:
code(acrx2): 1210 bytes
data(acrx1): 71762 bytes
data_c(adrw1): 96 bytes
bss_c(aurw1): 30720 bytes

...
Forum: support.Hardware 12 November 2019, 16:10
Replies: 41
Views: 981
Posted By hooverphonique
I don't think that makes any difference overall -...

I don't think that makes any difference overall - the die is deeply embedded in the package, and no bond wires should be present in the corner.
Unless it's no longer air tight and moisture has been...
Forum: Coders. General 12 November 2019, 14:29
Replies: 100
Views: 2,760
Posted By hooverphonique
I suppose undefined behavior getting turned into...

I suppose undefined behavior getting turned into a hard crash is preferable over actual undefined behavior!? ;)
Forum: Coders. Asm / Hardware 11 November 2019, 18:03
Replies: 153
Views: 14,989
Posted By hooverphonique
Yes, my options are "options": [...

Yes, my options are

"options": [
"--chip_memory=512",
"--hard_drive_0=${workspaceFolder}/fs-uae/hd0",
"--joystick_port_1=none",
...
Forum: Coders. Asm / Hardware 11 November 2019, 17:23
Replies: 153
Views: 14,989
Posted By hooverphonique
Maybe a bit OT, but is FS-UAE not treating the...

Maybe a bit OT, but is FS-UAE not treating the "hd0" directory as a harddrive?
It just puzzles me that from the FS-UAE windows appears, it takes around 8 secs for the 3.5" drive clicks to begin,...
Forum: support.Hardware 09 November 2019, 17:34
Replies: 4
Views: 271
Posted By hooverphonique
Yes. Yes and no. To address more than 512K slow...

Yes.
Yes and no. To address more than 512K slow ram, you also need a Gary-adapter, and possibly a cpu adapter.
Forum: support.Hardware 08 November 2019, 14:57
Replies: 4
Views: 271
Posted By hooverphonique
It supports 512K of chip ram, but also slow ram,...

It supports 512K of chip ram, but also slow ram, so you can put the traditional A501-style 512K expansion board in such an A500.
Forum: Coders. Asm / Hardware 07 November 2019, 17:03
Replies: 29
Views: 1,368
Posted By hooverphonique
So given the above discussion, let's assume that...

So given the above discussion, let's assume that the MMU needs to be enabled and have the right tables loaded for best performance and correct operation on 040/060. Is this done by the kickstart, or...
Forum: Amiga scene 07 November 2019, 11:13
Replies: 269
Views: 27,220
Posted By hooverphonique
Consider the fact that the cpu is never idle, and...

Consider the fact that the cpu is never idle, and most A500's have no real fast ram - such a 'nice' bit would not be very useful then ;)
Forum: Coders. C/C++ 04 November 2019, 11:48
Replies: 67
Views: 5,298
Posted By hooverphonique
Is <spr+0x1> something fetched by dma? Then it...

Is <spr+0x1> something fetched by dma? Then it has to be volatile in order for the compiler to understand that it may be read by "something else" (in this case dma, but could be another task,...
Forum: Coders. General 03 November 2019, 14:32
Replies: 74
Views: 6,019
Posted By hooverphonique
Good question, Ross, and the answer is probably,...

Good question, Ross, and the answer is probably, that best compression is achieved with a vocabulary that "slowly" updates, i.e. not for each block, but also not static over the whole stream.
Forum: Coders. General 02 November 2019, 18:17
Replies: 74
Views: 6,019
Posted By hooverphonique
Thanks a/b. I'm not looking for in-place...

Thanks a/b. I'm not looking for in-place decompression per se, but being able to call the decompressor iteratively to get a fixed size chunk of decompressed bytes out of the same compressed stream. ...
Forum: Coders. General 02 November 2019, 17:41
Replies: 74
Views: 6,019
Posted By hooverphonique
Interesting thread, this! I'm looking for a...

Interesting thread, this!

I'm looking for a fast depacker (comparable to LZ4) for iteratively depacking, from a compressed stream, a fixed output amount of data (0.5-1kB) into the same buffer each...
Forum: Coders. Asm / Hardware 01 November 2019, 22:28
Replies: 5
Views: 424
Posted By hooverphonique
You can't blit less than 16 bit wide, so your...

You can't blit less than 16 bit wide, so your source data width needs to be an even number of bytes. Height is in lines, so 8 lines high is not a problem.

Pointers and modulos are in bytes, but...
Forum: Nostalgia & memories 31 October 2019, 10:55
Replies: 35
Views: 1,999
Posted By hooverphonique
Don't think I've seen that one before. It's...

Don't think I've seen that one before. It's almost like there's an element of intelligence/instinct in there as well. Did you check out Archee's Tricky Truck game?
Forum: Nostalgia & memories 31 October 2019, 10:48
Replies: 35
Views: 1,999
Posted By hooverphonique
Hear, Hear! An all-time favourite of mine as well.

Hear, Hear! An all-time favourite of mine as well.
Forum: support.Hardware 29 October 2019, 19:43
Replies: 5
Views: 233
Posted By hooverphonique
I don't know anything about this specifically,...

I don't know anything about this specifically, but my bet is, it's a 512kB slow expansion for A500/1MB chip expansion for A500+.
Forum: Coders. General 28 October 2019, 22:09
Replies: 274
Views: 10,600
Posted By hooverphonique
You're right, of course! I was thinking of C++ ;)

You're right, of course! I was thinking of C++ ;)
Forum: Coders. General 28 October 2019, 20:29
Replies: 274
Views: 10,600
Posted By hooverphonique
That sounds strange - "normal" linkers would...

That sounds strange - "normal" linkers would complain about multiply defined symbols if you put "APTR backBuffer" in multiple compilation units.
Forum: Coders. Blitz Basic 28 October 2019, 18:27
Replies: 11
Views: 543
Posted By hooverphonique
What is referred to as 'boolean' above is the...

What is referred to as 'boolean' above is the equivalent of my 'logical', I think. Boolean logic applies to both bitwise and logical operators, so it may be a bit misleading calling one of them...
Forum: Coders. Blitz Basic 28 October 2019, 15:35
Replies: 11
Views: 543
Posted By hooverphonique
in C, ! is logical not, ^ is bitwise xor.

in C, ! is logical not, ^ is bitwise xor.
Forum: Hardware mods 25 October 2019, 19:00
Replies: 3
Views: 634
Posted By hooverphonique
akin to this I guess!?...

akin to this I guess!? https://hackaday.com/2017/05/01/the-raspberry-pi-becomes-a-scsi-device/
Forum: Coders. Asm / Hardware 24 October 2019, 10:56
Replies: 153
Views: 14,989
Posted By hooverphonique
Thanks! That seems to fix the problem :)

Thanks! That seems to fix the problem :)
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