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New Game (2016 revival): A Yankee in Iraq (1992)Hello everyone, Way back in 1992, I wrote a shoot-em-up called [i]A Yankee in Iraq[/i]. The entire game was written in Sinclair BASIC. Recently, I…
... back in 1992, I wrote a shoot-em-up called [i]A Yankee in Iraq[/i ... ]. The entire game was written in Sinclair BASIC ... the game’s description, a screenshot, and a download link.
... crash on a Scorpion ZS 256 if run in 48K mode ... -
New Game: A Yankee in Iraq (2017). A shoot-em-up.Last year, I [url="https://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992"]resurrected my old shoot-em-u…
... 53207/new-game-2016-revival-a-yankee-in-iraq-1992"]resurrected my old ... I’d written in Sinclair BASIC. It was a fun project ... from all the limitations inherent in BASIC.
To ... /zx/25_years_in_the_making.html"][i]A Yankee in Iraq (2017)[/i][/url] -
HACK PACK - A YANKEE IN IRAQ24 minutes in the making, 60 seconds to hack. I'm not really sure this counts as a hack. 34892,x lives 34946,x bombs
24 minutes in the making, 60 seconds to hack. I'm not really sure this counts as a hack.
34892,x lives
34946,x bombs -
A sped up pixel-shift routine for 1-byte–wide spritesHere’s an optimized (for speed) real-time sprite shifting routine for sprites that are one byte wide. It uses no memory variables for storage of inte…
... in [url="https://www.worldofspectrum.org/forums/discussion/54152/new-game-a-yankee-in-iraq ... -2017-a-shoot-em-up"]my ... /> ld l,a ;and put it back in L
... ,msl_shift_done ;if ADD A,$20 results in overflow, we're ... -
Need help from people with a 48K/128K/+2 (not +2A/+3)Scared ya, didn’t I? Well, this one is very simple and not as involved as [url="https://www.worldofspectrum.org/forums/discussion/55142/need-help-fro…
... b][/url] of [i]A Yankee in Iraq[/i] and play it ... may flicker occasionally when a sound is played, but ... ground level. Post your experience in this thread.
in the archive. Do test ... 2 users:[/b] test in both modes, i.e. ... -
An odd floating point error. Avoid!While working on the revival of my old game ([url="http://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992…
... 53207/new-game-2016-revival-a-yankee-in-iraq-1992"]here[/url]), I ... 10 LET a=2
20 LET a=a–.5: PRINT a: GOTO ... etc.
Keep that in mind, as if your code ... checks if a=0, that condition will ... for quite a while, until I added a line to ... -
Need help from people with CRT TVs (50 Hz)I’m wrapping up the development of my [url="https://www.worldofspectrum.org/forums/discussion/54152/new-game-a-yankee-in-iraq-2017-a-shoot-em-up"]gam…
... /discussion/54152/new-game-a-yankee-in-iraq-2017-a-shoot-em-up"]game ...
Now, under emulation on a standard computer LCD monitor (60 ... copter moves up and down. In Retro Virtual Machine, with ... it on a real Speccy.
Thank you in advance!< ... -
Requesting permissions from authors!!![url="http://spectrumcomputing.co.uk/"]Spectrum Computing[/url] is currently hosting ZXDB, however it has chosen to only distribute files after obtai…
... be attributed to [b]Ast A. Moore[/b].
(By ... old BASIC version of [i]A Yankee in Iraq[/i] on Spectrum Computing, but ... -
New Game: A Yankee in Iraq (2017). A shoot-em-up.Last year, I [url="https://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992"]resurrected my old shoot-em-u…
... .com/zx/25_years_in_the_making.html"][i]A Yankee in Iraq (2017)[/i][/url] -
How to improve my program using oversized numbersI'd like my dice program to print out the number four times bigger than normal if possible. Anyone know how to do this? Or I could write a sub rou…
... the process eight times (with a single pixel shift) creates ... vertically stretched letters. Only works in the 48K mode, though, as ... 128K mode doesn’t have a printer buffer.
... original BASIC version of [i]A Yankee in Iraq[/i] and then recreated the ... -
What is the maximum fps the spectrum can achieve?I have been doing some reading and from what I understand the Spectrum outputs a PAL signal, but that means it will display @50fps or @25fps? If t…
...
Yes, absolutely! In fact, I usually add "wait ... for vsync"s in my games to make ...
Very important in games, for them to slow ... />
There is a very good reason the Spectrum ... is Ast_A_Moore's [i]a Yankee in Iraq[/i] actually running at ... -
What is the maximum fps the spectrum can achieve?I have been doing some reading and from what I understand the Spectrum outputs a PAL signal, but that means it will display @50fps or @25fps? If t…
... /> BTW, is Ast_A_Moore's [i]A Yankee in Iraq[/i] actually running at 50fps ... sure everything is redrawn within a single frame. (Make sure you ... the latest version, too; link in my signature.) -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... experimental version of [i]A Yankee in Iraq[/i] that uses the ... all Spectrum models. As a visual indicator, the ground ... (won’t be featured in the final release).
... blunder: the game freezes (in 128K mode, that is).
A Yankee in Iraq 1.0.2 Beta ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... ; @richl:
Here’s a version with infinite lives and ... /YIQ_1.0.2b_inf_lives.zip"][i]A Yankee in Iraq 1.0.2 Beta 2 ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... you think it is. In Cobra, it actually runs ... interesting topic overall, but in terms of your use ... see much more benefits in e.g. researching sprite ... though it was mostly a method for determining which ... on top of which. In [i]A Yankee in Iraq[/i] all sprites ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... on top of which. In [i]A Yankee in Iraq[/i] all sprites are ... drawn first, then those in the middle of the screen ... those at the bottom. In this way, you're ... to' continue drawing for a good while (given more ... make all the difference in the world while still ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... exploited on the previous Spectrums in games such as [i]Cobra ... almost done implementing this behavior in SpecEmu.
When we ... to implement it, and [i]A Yankee in Iraq[/i] will be the first ... during the four T states in between reading the two pairs ... -
New Game: A Yankee in Iraq (2017). A shoot-em-up.Last year, I [url="https://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992"]resurrected my old shoot-em-u…
... .com/zx/25_years_in_the_making.html"][i]A Yankee in Iraq (2017)[/i][/url] -
New Game: A Yankee in Iraq (2017). A shoot-em-up.Last year, I [url="https://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992"]resurrected my old shoot-em-u…
... />
—Minor optimizations
—Now a single ZIP archive containing .TAP ... .com/zx/25_years_in_the_making.html"][i]A Yankee in Iraq (2017)[/i][/url] -
im looking for a double size, height and width character programi want to be able to stretch and scale up udg's
Vertical stretching is trivial (in [i]A Yankee in Iraq[/i] I stretch characters vertically ... with screen address
ld a,"X"
;Fetch ...
add hl,bc ;bitmap in ROM - $100 (chr code*8 ... ,4
1$ ld a,(de) ;load A with first/next byte ... -
im looking for a double size, height and width character programi want to be able to stretch and scale up udg's
... Vertical stretching is trivial (in [i]A Yankee in Iraq[/i] I stretch ... with screen address
ld a,"X"
... /> add hl,bc ;bitmap in ROM - $100 (chr code ... /> 1$ ld a,(de) ;load A with first/next byte ... (1$ ld a,(de) ;load A with first/next ... -
Detecting +3 / +2AWhat's a simple but reliable way to detect if code is running on a +2A/+3? My first though was to try switching to ROM2 and then checking for the …
[code]
ld a,(2899) ;+2A/+3 ROMs return 126
cp 126
jr z,its_a_plus
[/code]
That’s how I did it in [i]A Yankee in Iraq[/i] to handle the floating bus sync differently on these machines. -
New Game: A Yankee in Iraq (2017). A shoot-em-up.Last year, I [url="https://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992"]resurrected my old shoot-em-u…
... out![/b]
—A whole lot of code optimization ... animation
—Cool fade in/out effects
—Missiles ... make things a tad more interesting
—Text reflection in the ... .com/zx/25_years_in_the_making.html"]A Yankee in Iraq (2017)[/url][/i] -
New Game: A Yankee in Iraq (2017). A shoot-em-up.Last year, I [url="https://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992"]resurrected my old shoot-em-u…
... out![/b]
Just a few ZXmassy niceties.
A Yankee in Iraq (2017)[/i][/url]
[b]A very Merry ZXmas, everyone![/b ... to beat the game with a score of over 10,000 ... -
Space Invaders Emulator for the Spectrum 128/+2/+2A/+2B/+3My Space Invaders Emulator for the Spectrum 128/+2/+2A/+2B/+3 is now available for download from: [url="https://c.gmx.com/sizx@gmx.com/DVQXAXrLRl2d…
... that the case with your A Yankee In Iraq game too? Does it only ... -
Space Invaders Emulator for the Spectrum 128/+2/+2A/+2B/+3My Space Invaders Emulator for the Spectrum 128/+2/+2A/+2B/+3 is now available for download from: [url="https://c.gmx.com/sizx@gmx.com/DVQXAXrLRl2d…
... that the case with your A Yankee In Iraq game too? Does it only ... well (which [i]is[/i] a Spectrum first). -
Send in the ClonesPlease name all the Spectrum clones out there ( I would say I need it back on my desk in 5 minutes , but I will be a bit more generous in this case!…
... thought that a 'bus' was a term for a circuit. In which case ... similar signals. In a sense, electrical wiring in your house can ... buses connecte different components in a computer and the data ... its functionality, and [i]A Yankee in Iraq[/i] (starting with v1. ... -
New Game: A Yankee in Iraq (2017). A shoot-em-up.Last year, I [url="https://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992"]resurrected my old shoot-em-u…
... attack helicopter
—New in-game copter and fighter plane ... cells occupied by sprite data in each preshifted frame
... Bug fixes:
—Fixed a bug where a failure to land on ... /zx/25_years_in_the_making.html"][i]A Yankee in Iraq (2017)[/i][/url] -
New Game: A Yankee in Iraq (2017). A shoot-em-up.Last year, I [url="https://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992"]resurrected my old shoot-em-u…
... wave file (!)
—In case of a loading error, simply rewind ... ignoring everything else, including a standard speed pilot tone or ... .com/zx/25_years_in_the_making.html"][i]A Yankee in Iraq (2017)[/i][/url]
... included WAV file onto a tape and try loading ...
