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Elementary Question, sorryI am confused (Currently documenting code) When we are talking about HI bytes and LO Bytes, if the Address is c000h, is: c0h the lo byte and 00h th…
I am confused (Currently documenting code)
When we are talking about HI bytes and LO Bytes, if the Address is c000h, is:
c0h the lo byte and 00h the high byte, or vica verca? -
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... 7 is mapped in at c000h, how is it possible to ... -
How to call plus3dos from high ram?Hello. I'm working in basizx disk access in spectrum version. The problem is tha basizx code is loaded in addresses above C000h, and plus3dos must b…
... is loaded in addresses above C000h, and plus3dos must be called ... -
.tapein load crashes if no CLEAR performed first(!)Hi Guys, Can anyone explain the following as it has be stumped: I came across an unexpected crash today when loading in a 16K block of code at 8000…
... write code in the 8000h-C000h range and don't bother ... -
128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
... and Bank 0 is at C000h, and Bank 7 is the ... -
128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
... and Bank 0 is at C000h, and Bank 7 is the ... -
Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??
... location - 0000h, 4000h, 8000h, or C000h. The way in which memory ... be paged in at address C000h is too limiting.
Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??
... location - 0000h, 4000h, 8000h, or C000h. The way in which memory ... be paged in at address C000h is too limiting.
[/quote ...Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??
... location - 0000h, 4000h, 8000h, or C000h. The way in which memory ... be paged in at address C000h is too limiting.
[/quote ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... />
[code]
ORG C000H,C000H ;placing table at the beginning ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... />
[code]
ORG C000H,C000H
DRTABL DEFB %00000000 ...z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... z88dk to fit everything below C000h so I can use the ...z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
... z88dk to fit everything below C000h so I can use the ...z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…
You are completely right. Before z88dk, I would have never considered stepping into assembly coding. Now I try to convert the most critial parts to assembly within the C skeleton, which is a good thing. We should try and get more people to try z88dk, I ...128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... | | | 4000h) | | |
| | | | | | screen | | screen |
C000h +--------+--------+--------+--------+--------+--------+--------+--------+
| Bank 2 | Any one ...128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... bank is mapped on 49152 (C000h)
ad 1) which ...Currah MicrosourceHi Anyone here got a Currah Microsource ? I have one, its one of the original eval units complete with 'draft' manual. Just interested to see how …
... 8Kb block into RAM at C000h
LD DE,8192 ; Block ...128k Page FlippingOver on adverts, AOwen wrote the following: [quote=aowen]The trick, as I understand it, is to redraw the whole screen each time at #c000, but point…
... to flip between 4000h and C000h
[code]
org ... /> djnz s1
; point to c000h
LD A,(0x5b5c) ;Previous ...Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
... "called" at 4000h+offset or C000h+offset depending on the current ...How to call plus3dos from high ram?Hello. I'm working in basizx disk access in spectrum version. The problem is tha basizx code is loaded in addresses above C000h, and plus3dos must b…
... is loaded in addresses above C000h, and plus3dos must be called ...Multiface +3The other Multiface topic has reminded me about this... I may still have this lying about somewhere (although +3 i had at the time is long dead and …
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... a minimal switch routine above c000h in one of the banks ...Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... 7 is mapped in at c000h, how is it possible to ...WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... be read from 4000h or C000h
- The PSG clock is ...WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... be read from 4000h or C000h
- The PSG clock is ...Spectrum30 Show in Cambridge, 08th-09th September 2012Hello Spectrum-fans, after many months of preparation we now proudly present what will be the biggest Spectrum venue of the last 20 years. We manage…
... . My code invariably starts at C000h or 8000h at worse, but ...IF EXIST?In MS-DOS scripting, there is an IF EXIST command that lets you check wether a file exists in disk or not. There are any way to check it out from BA…
... it to somewhere below
C000h). As explained in part 27 ...128k gamesHi. I've come to World of Spectrum for advice. I'm a Commodore guy OK, please be nice to me, as I seek your wisdom! I love the Commodore 128, and I'…
... also be banked in at C000h (8 on the 464, 16 ...48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... of memory, such as at C000h.
Then change one number ...
