Search found 91 matches

by Phibrizzo
Yesterday, 22:30
Forum: Hardware and software hacking
Topic: Zoom rotator [test]
Replies: 7
Views: 3134

Re: Zoom rotator [test]

Hello :)

Your effect is very spectatular :)
I tested previous version for dev7 on real hardware but not working. Propably i have too old version of this rom.
I hat to use emulator.
Where can i find latest version of dev7 rom?

Second version woking very well on ROMv6.
by Phibrizzo
28 Nov 2024, 19:46
Forum: Hardware and software hacking
Topic: Zoom rotator [test]
Replies: 7
Views: 3134

Re: Zoom rotator [test]

Hello :)

I rewrote all code to vX0 asembler. Now is much faster but without rave ;)

Source: http://changeit.ppa.pl/ftp/rotator_vx0.asm
by Phibrizzo
24 Nov 2024, 17:10
Forum: Hardware and software hacking
Topic: New vCPU instructions 2.0
Replies: 100
Views: 77785

Re: New vCPU instructions 2.0

Question: possible is generate a txt file with instruction and parameters, and how is coded? Please.
exp: ADDXX <WORD var1>, <BYTE var2> , imm8
On this moment i have problems guess how is now. I checked some instructions and Is little chaos.
by Phibrizzo
24 Nov 2024, 12:57
Forum: Hardware and software hacking
Topic: New vCPU instructions 2.0
Replies: 100
Views: 77785

Re: New vCPU instructions 2.0

at67 wrote: 23 Nov 2024, 16:20 It probably is out of date,
You are right. I updated all opcodes. And now is better But still have problem with some instructions.
exp. LSRV (opcode: $2F73) - Logical shift right word var.

Then i have question: on Github is latest version of ROMvX0 file?
by Phibrizzo
23 Nov 2024, 13:47
Forum: Hardware and software hacking
Topic: New vCPU instructions 2.0
Replies: 100
Views: 77785

Re: New vCPU instructions 2.0

I did few tests on randomly instructions. Some working correctly. But some not.

Exp. DEEK+ (opcode 0x60) working like DOKE+. Propably is wrong definied in instructions.txt file on Github.
by Phibrizzo
22 Nov 2024, 13:48
Forum: Hardware and software hacking
Topic: New vCPU instructions 2.0
Replies: 100
Views: 77785

Re: New vCPU instructions 2.0

Hello :) I am trying to take my first steps in ROMvX0. But i have some problems at start :( My first program is easy: MOVQ #63, #$42 LDWI #$0800 POKEA #$42 And i got what i wanted: one white pixel in left and top corner. I modified the progam by adding ADDBA: MOVQ #63, #$42 LDWI #$0800 ADDBA #$42 PO...
by Phibrizzo
16 Nov 2024, 14:48
Forum: Hardware and software hacking
Topic: ROM adventures (dev7rom)
Replies: 34
Views: 35207

Re: ROM adventures (dev7rom)

Hello :)

I been watching latest doc of vCPU7 instructions and discovered that LEEKA and LOKEA have the same op codes #$3532.
What is correct?
by Phibrizzo
01 Nov 2024, 10:42
Forum: Hardware and software hacking
Topic: New size coding contest "ZX Spectrum effect"
Replies: 22
Views: 25122

Re: New size coding contest "ZX Spectrum effect"

Hello :)

Because november now then release latest version of my intro.
final8.gt1
(15.79 KiB) Downloaded 85 times
And sources:

http://www.changeit.ppa.pl/ftp/vCPUIntroSRC.lha

Only 224 bytes of pure vCPU code. Rest is for others data: chars, tables.
by Phibrizzo
03 Oct 2024, 15:27
Forum: Hardware and software hacking
Topic: 2048 game
Replies: 8
Views: 5530

Re: 2048 game

Little update.

I did some optimizations and i found one stupid old bug in shifting routinie.
Now game is more responsible.
2048v2_2.gt1
(10.26 KiB) Downloaded 158 times
by Phibrizzo
29 Sep 2024, 19:22
Forum: Hardware and software hacking
Topic: 2048 game
Replies: 8
Views: 5530

Re: 2048 game

Hello :)

This is latest version of the 2048 game.
What new:
- rebuild all graphics routinies. Now is faster.
- fix input handler.

This version is based on 32kB sources but this time game running only on 64kB Gigatrons.
2048v2.gt1
(10.36 KiB) Downloaded 162 times
Sources:
http://www.changeit.ppa.pl/ftp/2048v2.lha