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Strange behaviour in real hardware but not in emulatorsWell, at least not in any emulator I've tried. I've been reported by fellow forum member Macc that both our Maritrini Monster Slayer and Retroworks'…
... proper value for the I register to avoid the effect? 'cause ... it seemed absolutely fine. No snow and certainly no crash. -
Maritrini and Cray 5 loading problemsHas anyone else here had issues loading either of these on a 128k? No matter what I try, both these games refuse to load properly. I can get both t…
When the I register is in contended RAM on ... or +2 Grey the ULA snow will appear. The +3 and ... -
How many full time users of Linux on the forum?How many of you on WOS forum use Linux as a permanent OS replacement (excluding casual duel boot users who also duel boot Windows?). I use Linux Min…
... =http://www.opengroup.org/openbrand/register/xy.htm]registered products[/URL ... .5 Leopard and 10.6 Snow Leopard are listed, but not ... -
28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…
... restricted palette of only 4 register pairs you can get 32 ... sorts of things, drawing sprites? scrolling background?
I think ...
ld a, 254 ;i register looks to 65024 to find ... -
NEW Jonathan Cauldwell release MORE TEA VICAR? - 30th ANNIVERSARY GAMEThe long awaited Jonathan Cauldwell game MORE TEA VICAR? cassette version is released today, on the 30th birthday of the Speccy. Available from the …
... ZX128/+2 machines. Game use register I set to value #E5 ... is set ram1, then ULA snow and ram is unstable...
NEW Jonathan Cauldwell release MORE TEA VICAR? - 30th ANNIVERSARY GAMEThe long awaited Jonathan Cauldwell game MORE TEA VICAR? cassette version is released today, on the 30th birthday of the Speccy. Available from the …
... ZX128/+2 machines. Game use register I set to value #E5 ... is set ram1, then ULA snow and ram is unstable...
JSpeccy v0.90Hi4all, A new JSpeccy version has been released at my project webpage. This new release have many corrections, some optimizations and a few new feat…
... stuff! By emulating the I register crash on 128k, JSSpeccy is ... disadvantage is the poor scrolling smoothness.
Horizontal scrolling text is particularly ...JSpeccy v0.90Hi4all, A new JSpeccy version has been released at my project webpage. This new release have many corrections, some optimizations and a few new feat…
The scrolling seems just the same to ... of them - congrats! The I register crash emulation is pretty interesting ...JSpeccy v0.90Hi4all, A new JSpeccy version has been released at my project webpage. This new release have many corrections, some optimizations and a few new feat…
[QUOTE=Lee Tonks;629080]The scrolling seems just the same to ... of them - congrats! The I register crash emulation is pretty interesting ...JSpeccy v0.90Hi4all, A new JSpeccy version has been released at my project webpage. This new release have many corrections, some optimizations and a few new feat…
[QUOTE=Lee Tonks;629080]The scrolling seems just the same to ... of them - congrats! The I register crash emulation is pretty interesting ...What's going on during a reset?Always wanted to know this. Why does the screen fill with garbage then white lines on black then just a totally black screen? What is happening?
... instructions as the Z80s PC register romps around deciding that everything ... wait until you see ULA snow :-p
D ...Zymosis -- WTFPL'ed Z80 Emulation Corebreaking news! i'm back with another useless project: new Z80 emulation core written in pure C! i hear you screaming: "oh, no! WHY?!" let me tell yo…
... any emu that does 'ULA snow effect' right (or does it ... does 'memory fading' with R register trick, am i right?
Zymosis -- WTFPL'ed Z80 Emulation Corebreaking news! i'm back with another useless project: new Z80 emulation core written in pure C! i hear you screaming: "oh, no! WHY?!" let me tell yo…
... any emu that does 'ULA snow effect' right (or does it ... does 'memory fading' with R register trick, am i right?
snow effect and the RAM fade ...Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... it if you provide a register to cut off the top ... give smooth borders to the scrolling without needing extra display memory ... display timings to give the scrolling, so it shouldn't need ...Zymosis -- WTFPL'ed Z80 Emulation Corebreaking news! i'm back with another useless project: new Z80 emulation core written in pure C! i hear you screaming: "oh, no! WHY?!" let me tell yo…
... the snow effect.
For each opcode if the I register ... the video memory using the register R as an additional offset ...What Spectrum projects (Software/Games/Utility)(Hardware)(Others) are you working on?So, basically that :) You dont have to give names or more clues if you dont want to ;) Also, if you are working on more than one, you can tell all of…
... scrolling. Don't forget that there's an alternate register ... to combine highly optimised scrolling with multicolour. This has ... ] but with Psygnosis-style parallax scrolling scenery.
[ ... but this is a vertical-scrolling platform action game ([I ...What Spectrum projects (Software/Games/Utility)(Hardware)(Others) are you working on?So, basically that :) You dont have to give names or more clues if you dont want to ;) Also, if you are working on more than one, you can tell all of…
... PUSH scrolling. Don't forget that there's an alternate register set ... how the hell you're scrolling the whole screen with varied ...CyberbigI found out that Cyberbig is affected by snow effect in FBZX Wii. There is snow in the all screens except in the main menu. I checked that also Spe…
... I did not get any snow effects with the working tzx ... /+2(grey model) is visible snow effect on screen. Game can ... /> - or next way is change register I to value #00-#3F ...CyberbigI found out that Cyberbig is affected by snow effect in FBZX Wii. There is snow in the all screens except in the main menu. I checked that also Spe…
Detection of snow effect in ZX software is ... zx emulator. If value of register I is in range #80 ... then this software is with snow effect (on ZX16/48/128 ... />
On ZX128/+2 is snow effect visible if:
a ...CyberbigI found out that Cyberbig is affected by snow effect in FBZX Wii. There is snow in the all screens except in the main menu. I checked that also Spe…
... ]The ULA bug which causes snow when I is set to ... of interaction between the I register content and the own pagination ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
[code]; THE 'SCROLLING' SUBROUTINE
cl_sc_all ... ld a, c ; register to A
cp ... ulaplus_reg ; address I/O register
out (c), a ...ULA snow effectIt's wintertime, you know. [quote="http://ramsoft.bbk.org.omegahg.com/floatingbus.html"]when the I register falls in the range 0x40-0x7F then the UL…
... register only incrementing through the lower 7 bits is making the scrolling ...ULA snow effectIt's wintertime, you know. [quote="http://ramsoft.bbk.org.omegahg.com/floatingbus.html"]when the I register falls in the range 0x40-0x7F then the UL…
... register only incrementing through the lower 7 bits is making the scrolling ... the offset value in another register, which is then copied to ... manifests as part of the scrolling columns being offset vertically by ...ULA snow effectIt's wintertime, you know. [quote="http://ramsoft.bbk.org.omegahg.com/floatingbus.html"]when the I register falls in the range 0x40-0x7F then the UL…
... ?t=17551&highlight=ULA+Snow"]this[/URL] thread:
snow effect, this 48K machine here ... for A15-A7, and R register for A6-A0. That slightly ...ULA snow effectIt's wintertime, you know. [quote="http://ramsoft.bbk.org.omegahg.com/floatingbus.html"]when the I register falls in the range 0x40-0x7F then the UL…
The perfect explanation of ULA snow if you have not ... by CAS.
The Snow Effect occurs because the ULA ... RAM.
This is the Snow Effect.
I will ... as Arjun says the ULA snow only change the 7 ... lower 7 bits of R register instead the correct way.Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... m trying to develop pixel-scrolling versions of the attribute-based ... 9th line ( -1 for h register)
ld de,$d0ff ; ... graphic loc (-1 for e register)
ld ($e000),hl ; ... line ( -1 for h register)
ld b,8
register)
ld b,8
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... and I found some ULA snow in the options menu screen ... grey +2 model because use register I set to #5B value ... in slow ram = ulo show snow/raining effect.Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... grey +2 model because use register I set to #5B value ... in slow ram = ulo show snow/raining effect.[/QUOTE]
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... ? Because I found some ULA snow effect during the game. If ... tap file contain during game register I set to value #5B ...Robocop 3 and Spectrum 128K toast-rackHi all, we are going on with the tests on the new 128K emulator for the V6Z80p board, and we have found something odd: Robocop 3 (designed for the 12…
... invite you to watch the snow effect on my ZEsarUX emulator ... triggers with the exact situation: register I pointing to contended memory ...
