Search found 39 matches

by goyo
Sun Dec 13, 2020 7:03 pm
Forum: 6502 assembly coding
Topic: lda simplification of relative y index value ?
Replies: 7
Views: 927

Re: lda simplification of relative y index value ?

thanks to you Jedi Masters of the Oric. ! 8)

I understood thanks to you :)

I go to level 2 of the 6502 assembler .... :idea:
by goyo
Fri Dec 11, 2020 6:47 pm
Forum: 6502 assembly coding
Topic: lda simplification of relative y index value ?
Replies: 7
Views: 927

lda simplification of relative y index value ?

Hi,

is it possible to replace

Code: Select all

dey
dey
dey
lda (sprite_address),y
by

Code: Select all

lda (sprite_address),y-3
?
by goyo
Wed Dec 09, 2020 7:13 pm
Forum: 6502 assembly coding
Topic: lda with 16 bits indirect address ?
Replies: 2
Views: 280

Re: lda with 16 bits indirect address ?

Ok I understand !

So I will use the zero page for my ptr variables.

thank you Debug :)
by goyo
Wed Dec 09, 2020 3:59 pm
Forum: 6502 assembly coding
Topic: lda with 16 bits indirect address ?
Replies: 2
Views: 280

lda with 16 bits indirect address ?

Hello, With OSDK I would like to know how to read and write in a indirect address with 16 bits my sprite address (graphics) is a 16bits address ... I would like to modify the graphics of the sprite like this : lda (ptr_sprite ),y ; I like to read the graphics through ptr_sprite adc 1 ; modify A sta ...
by goyo
Mon Nov 23, 2020 6:16 pm
Forum: Operating systems, utilities and other serious software
Topic: VSCODE runner
Replies: 3
Views: 1750

Re: VSCODE runner

Maybe specify CMD.EXE instead of just a batch file. thank you Dbug, but it don't seems to work. finally I click on the context menu of osdk_execute.bat and run the code. I ll try to find how to make a key shortcut: image22.png otherwise if someone is interested, in notepad++ the shortcut (F5) is : ...
by goyo
Mon Nov 23, 2020 4:01 pm
Forum: Operating systems, utilities and other serious software
Topic: VSCODE runner
Replies: 3
Views: 1750

VSCODE runner

I would like to run osdk_build.bat from Microsoft Visual Studio Code, { "version": "2.0.0", "key": "cmd+shift+R", "tasks": [ { "type":"shell", "label":"build osdk project", "command": "osdk_build.bat", } ] } but I have this error : i have this error message : Code language not supported or defined. ...
by goyo
Mon Nov 23, 2020 11:01 am
Forum: Games
Topic: is it possible to convert Knight Lore to Oric ?
Replies: 9
Views: 602

Re: is it possible to convert Knight Lore to Oric ?

Thank you Chema for all of this detailed informations on this fascinating subject. I think the difficulties are also: the loss of 8 pixels on each side of the screen. Which would imply too heavy clipping of the sprites. Among other things, it would not be impossible to dynamically generate the sprit...
by goyo
Sat Nov 21, 2020 7:39 pm
Forum: Games
Topic: is it possible to convert Knight Lore to Oric ?
Replies: 9
Views: 602

is it possible to convert Knight Lore to Oric ?

I explored the graphics of Knight Lore game a bit. and I think that could be possible to reproduce them on Oric because the character's sprite is 3x32 bytes or 4x32 bytes (18x32 or 24x32 pixels ) ! The problem would probably be with the speed of 1mhz against 3.5mhz for the ZX Spectrum also we will l...
by goyo
Wed Sep 09, 2020 6:45 pm
Forum: Cross development tools
Topic: use OSDK under Linux ?
Replies: 4
Views: 719

Re: use OSDK under Linux ?

Thanks to you two :)
by goyo
Wed Sep 09, 2020 6:41 pm
Forum: Emulators
Topic: Oricutron keyboard handling
Replies: 7
Views: 2119

Re: Oricutron keyboard handling

Nice documentation ! When I exit my program how to restore ROM IRQ Handler after use the IRQ ASM Handler routine ? :?: Generally what I do is to have a "Restore" function that does the same thing as the existing "InstallIRQ" routine, and what the InstallIRQ routine does is to modify the values in t...
by goyo
Wed Sep 09, 2020 6:39 pm
Forum: Cross development tools
Topic: Little Oric tool . explore memory screen ...
Replies: 10
Views: 1639

Re: Little Oric tool . explore memory screen ...

Chema wrote:
Wed Sep 09, 2020 6:33 pm
I created an editor with copy&paste, draw tools, pattern fill, undo/redo, export/import... for Blake's7. It is written in C# and intended for my OASIS engine, and also quick and dirty code for my use only, but I could share if someone is interested.
Great! could you share your tool !! :-o
by goyo
Wed Sep 09, 2020 4:08 pm
Forum: Cross development tools
Topic: use OSDK under Linux ?
Replies: 4
Views: 719

use OSDK under Linux ?

Hi,

I would like to use OSDK on Linux. Is it possible ? Is there a turorial about this ?

May I compile Oricutron and XA compiler ? with which compiler cc , gcc, g++ ? :shock:
by goyo
Wed Sep 09, 2020 3:41 pm
Forum: Emulators
Topic: Oricutron keyboard handling
Replies: 7
Views: 2119

Re: Oricutron keyboard handling

Nice documentation !
When I exit my program how to restore ROM IRQ Handler after use the IRQ ASM Handler routine ? :?:
by goyo
Wed Sep 09, 2020 1:30 pm
Forum: Cross development tools
Topic: Little Oric tool . explore memory screen ...
Replies: 10
Views: 1639

Re: Little Oric memory screen tool

I have an error box when I start this compiled C# application on my 64bit Windows 10 version. ErreurOrchir.JPG But I joyfully use a slightly modified python version of this marvellous tools and I can witness it is great help. I use it to have an oric render of my algorithms written in python so tha...
by goyo
Tue Sep 08, 2020 7:15 pm
Forum: Cross development tools
Topic: Little Oric tool . explore memory screen ...
Replies: 10
Views: 1639

Little Oric tool . explore memory screen ...

Hi,
This is a little prototype tool (in c#) can help to understand how the memory screen of the Oric works with the pixels and colors.......
orichir.png
new release :
http://rari.free.fr/orichir.zip