Search found 15 matches

by dwesti
05 Feb 2020, 15:01
Forum: Hardware and software hacking
Topic: at67 emulator
Replies: 60
Views: 26198

Re: at67 emulator

Do you plan to add breakpoints for debugger ?
by dwesti
03 Feb 2020, 14:30
Forum: Hardware and software hacking
Topic: associate the .gt1 filetype for web autoloading
Replies: 8
Views: 6015

Re: associate the .gt1 filetype for web autoloading

For old emulator .gt1 works fine: copy one to folder, launch program, press L, choose file.
by dwesti
03 Feb 2020, 06:14
Forum: Hardware and software hacking
Topic: Rnd() estimate
Replies: 3
Views: 2567

Rnd() estimate

It is funny how looking vRAM fill :shock:
_rnd.zip
(72.85 KiB) Downloaded 128 times
by dwesti
02 Feb 2020, 16:51
Forum: Hardware and software hacking
Topic: at67 emulator
Replies: 60
Views: 26198

Re: at67 emulator

classic XOR-texture.Chang XOR to AND and you get another pattern
by dwesti
02 Feb 2020, 15:36
Forum: Hardware and software hacking
Topic: 16bit reverse
Replies: 3
Views: 2878

16bit reverse

Anyone knew a clever way for reverse 16 bit except right shift? ; reverse vd equ 0x30 v1 equ vd+2 ; counter v2 equ v1+2 ; original value v3 equ v2+2 ; reversed 16bit v4 equ v3+2 ; for bitweight v5 equ v4+2 ; for and value ;init values LDWI 0x800 STW vd LDWI 0x8000 STW v5 LDWI 0xAA55 STW v2 LDWI 0 ST...
by dwesti
02 Feb 2020, 11:33
Forum: Hardware and software hacking
Topic: at67 emulator
Replies: 60
Views: 26198

Re: at67 emulator

I used CallTable, because assembler reject source with message "Assembler::assemble() : Label missing : 'huj' : in 'xa.gasm' on line 165"
I found example, so why I use it.
Thanks for the tip
by dwesti
02 Feb 2020, 08:28
Forum: Hardware and software hacking
Topic: at67 emulator
Replies: 60
Views: 26198

Re: at67 emulator

Again ussue with emulator: slowly respond to Ctrl+keys (
As I see same happens with SDL.
by dwesti
01 Feb 2020, 04:26
Forum: Hardware and software hacking
Topic: at67 emulator
Replies: 60
Views: 26198

Re: at67 emulator

thank you

so, code

Code: Select all

SYS_SpriteCopy_118  .LD     [srcAddr],X         ; src line 0
                    .LD     [srcAddr + 1],Y
                    .LD     [Y,X] 
looks like

Code: Select all

X=peek(srcAddr]
Y=peek(srcAddr+1]
A=peek[y*256+X]
?
by dwesti
31 Jan 2020, 17:39
Forum: Hardware and software hacking
Topic: at67 emulator
Replies: 60
Views: 26198

Re: at67 emulator

just a question:
where to read about registers X,Y and opcodes ?
http://www.iwriteiam.nl/PGigatron.html
by dwesti
31 Jan 2020, 13:19
Forum: Hardware and software hacking
Topic: at67 emulator
Replies: 60
Views: 26198

Re: at67 emulator

Intel Core i3-2100 3.10GHz+Intel HD Graphics Family

Finally, I assemble one xD
xor_ttl.zip
(631 Bytes) Downloaded 155 times