[BBC-Micro] 'BASIC 512K'

John Kortink kortink at inter.nl.net
Fri Feb 5 11:33:16 GMT 2010


On Fri, 5 Feb 2010 01:47:04 -0000, Mike Pepper <profpep at hotmail.com>
wrote:

>
>----- Original Message ----- 
>From: "John Kortink" <kortink at inter.nl.net>
>To: <bbc-micro at lists.cloud9.co.uk>
>Sent: Friday, February 05, 2010 12:26 AM
>Subject: Re: [BBC-Micro] 'BASIC 512K'
>
>
>>
>> On Fri, 5 Feb 2010 00:03:52 -0000, "David Hunt" <dm.hunt at ntlworld.com>
>> wrote:
>>
>> >> John Kortink wrote:
>> >> > ReCo6502 can now run a 65816-patched HiBASIC 4r32
>> >> > that provides 448 KB of variable storage space,
>> >> > with no significant performance penalty (due to
>> >> > the 24-bit addressing capabilities of the 65816).
>> >>
>> >> Time to get obtain some appropaitely shaped tuits and finally get
>> >> around to writing that 65816 emulator I've been meaning to.
>> >
>> >How's about a 32016 emulator? It'd be v.useful to have running on the ARM
>> >co-pro.
>>
>> It'll probably end up being in BASIC ... ;-)
>>
>>
>And will probably run about as fast as the original 32016!

Not by a long shot.

An ARM7 copro could probably manage 1 to 3 times the
speed of a 2MHz 6502, if coded in slick assembly. A
6 MHz 32016 will most likely end up below the 100%
line. Coded in BASIC it will be slower yet by a huge
amount (probably between 5 to 15 times).

>[...]


John Kortink

-- 

Email    : kortink at inter.nl.net
Homepage : http://www.inter.nl.net/users/J.Kortink

GoMMC, the ultimate BBC B/Master/Electron storage system :
http://web.inter.nl.net/users/J.Kortink/home/hardware/gommc

ReCo6502, the Acorn 6502 Second Processor on steroids :
http://web.inter.nl.net/users/J.Kortink/home/hardware/reco6502




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