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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 …
... of the places in the ROM print routine where a screen/printer ... chars). This would reduce the PRINT time from approx. 15.9 ... /> Be cool to have a *PRINT command that one could add ... -
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... EXROM bank with 8k spillover ROM. This is not a full ... you disconnect the EX-ROM, all the lines are there and you ... which has neither an EX-ROM, nor a cartridge slot, has ... -
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... you disconnect the EX-ROM, all the lines are there and you ... which has neither an EX-ROM, nor a cartridge slot, has ... -
Spectranet updateHi all It's been a busy summer, and in any case I've wanted a little bit of a break from doing Speccy stuff to avoid it getting old (pun intended). …
... the Spectranet zero page ROM.
The last 4k (0x3000-3FFF) is ... ) can have arbitrary RAM and ROM mapped to them. This means ... that running alternative system ROM from the spectranet flash is ... -
New game: The curse of OddvilleDon't get too excited! :p Just wanted to share this because the coding of it is driving me mad, or rather the game designer is. The curse of Oddvil…
... "]CGD doesn't use the ROM print routines, so it will not ... -
DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]
... run main system in 8kB ROM and work with full 32kB ... mapram mode are new system rom image installed to divide ram ... use this ram instead 8kB rom) and system can use only ... other 24kB ram + 8kB rom image (last DEMFIR version). MAPRAM led activity ... -
DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]
... run main system in 8kB ROM and work with full 32kB ... mapram mode are new system rom image installed to divide ram ... use this ram instead 8kB rom) and system can use only ... other 24kB ram + 8kB rom image (last DEMFIR version). MAPRAM led activity ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... something; perhaps it is making ROM calls.[/QUOTE]
During one ... its at least using the ROM print routines. What causes the crash ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... its at least using the ROM print routines.[/QUOTE]
Yes ... -
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…
... pointers
dec hl ; last byte of string
... /> pop hl ; get last value
ld (ch_add ... it
call print_fp ; print last value
pop hl ; ... fwait ; make
fdel ; last value
fstk0 ; zero< ... -
Get rid of 'Bytes:' when loading codeHow do you hide the 'Bytes:' when loading code? I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appe…
... make a difference when the ROM prints "Bytes:").[/QUOTE]
ROM print routines didn't work, 6683 ... one. I think davey uses ROM calls so will need to ... -
Get rid of 'Bytes:' when loading codeHow do you hide the 'Bytes:' when loading code? I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appe…
... you do, I remember some ROM print routines didn't work, 6683 ... one. I think davey uses ROM calls so will need to ... -
+128 with usr0 in menu screenIve just watched a video of a guy with a spectrum and on the loader menu i think under calculator the menu had an entry for usr0,anyone aware of this…
... to combine the translated 0.rom with the 48k spanish ... used just the english 1.rom and to confuse me ... are listed as "Spanish 128K ROM 0 translated to English ( ... 48 basic the original 48.rom then usro calc tapetester. ... i have a 64k rom the last 3 entrys are tape ... -
A vehicle for wireframe engineHi, I'm playing with wireframe graphics right now. I'm open for ideas for (simple) game that would use wireframe engine. So if you have an idea, plea…
... slowness with which the ROM routines draw lines. I did wonder about ... -
Double height text...<p>Is here any good routines for printing a font double height?</p><p>I've concocted this ridiculous routine but I'm sure it can be done much better.…
... fast, but it uses the ROM print routine so it's pretty ... -
z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... anything against using ROM routines - they were used to print all the ... not that bothered what the ROM routine does. (Hears sharp ... /> I wouldn't use the ROM print routine for sprites as it ... ) doesn't Davey Sludge use ROM print routines for his Willy the ... -
Quill or PAWI'm thinking of putting-together (by which I mean writing) an adventure game for the Speccy. The two most popular utilities for doing so seem to be t…
... compiled games use the standard ROM print routines, so you can change ... -
TommyGun's getting a Debuggerhttp://youtu.be/B_kZVRvYV98 I have always wanted to debug the programs I write in TommyGun using TommyGun instead of the debuggers in emulators. …
... /> I hi-jacked rst 16 (rom print - i never use it ;) ) ... />
5 bytes to print out a 1 byte variable ... br /> 6 bytes to print out a 2 byte variable ...
19 bytes to print out a memory dump (location ... )
5 bytes to print out a user custom defined ... -
Character Based SpritesHi, I'm working through Jonathan's excellent guide to writing games, and have mastered the animation of single UDGs. Before or move onto Pixel…
... lot better than using the ROM PRINT and UDG's that I ... -
IXL and IXHI don't know much about undocumented instructions but I get the impression that [b]LD A,IXH[/b] or [b]LD A,IXL[/b] (B, C, D, E also fine, HL not) are…
... or use any of the ROM print routines within your own program ... -
hacking controls for atic atac?I was wondering if there is any way to hack in game controls? In particular for Atic Atac. I prefer to use keyboard controls for most games, but the …
... />
Ultimate have their own print routine, which I didn't ... disassembling (lazyness!). I used the ROM print routine, and patched the sysvars ... -
counting in assembleri have this program which cycles through the character set. how do i do this with numbers say 0 to 65535? org 40000 ld b,120 ld (23612),a L…
... /> ld a,(hl) ; miss out print if zero
jr z ... ,display3
call $15ef ; print digit
display3
inc ... display2
ld a,(hl) ; print last digit, even if zero.
What can we expect from Boris once this coronavirus is over?I wonder is Labour going to become credible and put up a good opposition now that Corbyn is gone - I hope so, not because I am a Labour supporter, I …
... how many people hope the last lines of that song will come ...What can we expect from Boris once this coronavirus is over?I wonder is Labour going to become credible and put up a good opposition now that Corbyn is gone - I hope so, not because I am a Labour supporter, I …
... how many people hope the last lines of that song will come ...pixel exact printingis there a way of doing this in basic? or by copying / modifying the rom code or using a completely new routine? so that print at x,x works more like…
If you want fast print in pure Basic, then you ... on where you need to print, calculate which copy of scrolled ... with OVER. Don't forget print two lines, if text does not ...BASin Release 13 is now availableI'm still at it. BASin is now in it's 13th incarnation (disregarding the inter-version updates) and is now available at [url="http://homepage.ntlw…
... the editor.
Added - 128k ROM now loads with BASin, and ... /> Fixed - DEF FN lines were getting their last character (usually a ")" character ... a reset. (Necros)
Fixed - PRINT statements starting with a bracket ...BASin Release 13 is now available[unashamedly x-posted from Emulators forum] I'm still at it. BASin is now in it's 13th incarnation (disregarding the inter-version updates) and is …
... the editor.
Added - 128k ROM now loads with BASin, and ... /> Fixed - DEF FN lines were getting their last character (usually a ")" character ... a reset. (Necros)
Fixed - PRINT statements starting with a bracket ..."The Last Question" by Isaac AsimovBelow is an amazing short SF story I first read a few years ago. I recently rediscovered it and if you've got a spare few minutes, have a read... […
... ="Times New Roman"][CENTER]The Last Question
By Isaac ... CENTER]
The last question was asked for the ... Adell. His broad face had lines of weariness in it, and ... asked the Microvac, adding quickly, "Print the answer."
Jerrodd ...
