Date : Fri, 08 May 2009 01:28:13 +0200
From : kortink@... (John Kortink)
Subject: ReCo6502 now available
On Fri, 8 May 2009 00:08:56 +0100, "Michael Firth" <mfirth@...>
wrote:
>>>The latter is compatible with the old 6502 external 2nd processor,
>>>but adds support for the Master RTC, and re-codes some of the maths
>>>routines to make them faster.
>>
>> There's also the MOS 3.50 version. Are they one and the
>> same ? I never used any version of Hi-BASIC on the Master,
>> I just fire up Elite very occasionally.
>
>[...]
>
>I think the 3.50 BASIC requires OS 3.50, as its a relocatable ROM,
>- the newer MOS ROM re-writes the explicit JMP / JSR calls to work
>at the &B800 address, rather than &8000 which is its built-in start
>address.
I know, but that version is therefore easily transformed into
a 'proper' Hi-BASIC ROM (the relocation system is documented).
I doubt that MOS 3.50 is required for anything else but its
relocation (although it's not impossible).
John Kortink
--
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