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Topic: Possible new projects for the New Year (Read 426 times) |
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hellomike
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Re: Possible new projects for the New Year
« Reply #1 on: Nov 30th, 2017, 6:10pm » |
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Pretty challenging projects David.
Both an ARMLIB as well as a ROSPRITELIB would be welcome in my humble opinion.
Regards,
Mike
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David Williams
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Re: Possible new projects for the New Year
« Reply #2 on: Nov 30th, 2017, 8:33pm » |
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on Nov 30th, 2017, 6:10pm, hellomike wrote:Pretty challenging projects David.
Both an ARMLIB as well as a ROSPRITELIB would be welcome in my humble opinion. |
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As long as I limit my ambitions to the ARMv2 32-bit instruction set, then due to its overall simplicity and orthogonality, it shouldn't be too challenging to create an ARM binary 'interpreter' and hopefully an ARM-to-x86 instruction translator. The former could be fully prototyped in BASIC, then subsequently implemented in ASM or C, and the translator could be written entirely in BASIC. I think going beyond, say, ARMv4, would likely elicit an unpleasant letter from ARM Holdings Ltd.'s legal department! The OS_SpriteOp emulator would probably be restricted to handling colour depths of 4, 8, 24 and 32 bits-per-pixel, which would cover most cases. Certain SpriteOp functions could be tricky to emulate (or at least achieve identical results to those obtained with real SpriteOp), especially the ones involving transforms - e.g. OS_SpriteOp 56 (Plot Sprite Transformed). In any case, these projects will hopefully get underway in early January. It's not lost on me that SpriteOp was created by top-flight engineers, in particular Richard Manby. So I realise that I'm probably biting off more than I can chew!
David.
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Ric
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Re: Possible new projects for the New Year
« Reply #3 on: Dec 3rd, 2017, 9:07pm » |
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Hi David
I am very interested in anything to do with ARM, as I would like to translate my current project into it and be able to run on Android etc...
Bring it on.
Ric
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It's always possible, but not necessarily how you first thought. Chin up and try again.
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David Williams
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Re: Possible new projects for the New Year
« Reply #4 on: Dec 3rd, 2017, 11:05pm » |
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on Dec 3rd, 2017, 9:07pm, Ric wrote:| I am very interested in anything to do with ARM, as I would like to translate my current project into it and be able to run on Android etc... |
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I don't think my ARM-related projects, which will be of limited scope, would be of much use to your 3D game project. It is intended that the binary interpreter will run some 'old' 32-bit ARMv2 machine code binaries (no floating point instructions!). Similarly, the ARM-to-x86 translator will translate ARM assembler code into x86 assembler code. I can't say at the moment how good a job it will do. This is going to take a lot of research, of which I've currently done very little!
David.
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Ric
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Re: Possible new projects for the New Year
« Reply #5 on: Dec 4th, 2017, 8:32pm » |
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Fairplay
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It's always possible, but not necessarily how you first thought. Chin up and try again.
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