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L/BELLIS1

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk: Home » Personal collection » Acorn ADFS disks » Electron_User_Group » EUG_26.ADF
Filename: L/BELLIS1
Read OK:
File size: 0BE9 bytes
Load address: 42204556
Exec address: 494C4C45
File contents
21 March 1996

Dear Gus,

Thanks for sending the 5.25" ADFS version - I prefer it to the DFS one so
I am returning the DFS one to you.

I have a few questions and comments:

1 Discs and drives.

I am a little worried by the suggestion of a lack of support for broken
5.25" drives. Can you (or anyone at EUG) get hold of suitable 3.5" drives
cheaply (preferably with PSU)? I would have to make a data duck device as
my drive is a dual 5.25" type (or is one available).

The question of disc formats is one which I have pondered at length. Given
that onlt an Acorn machine has any hope of running a reasonable Beeb
emulation of any sort and that a 5.25" drive is available only for such
units as an add-on for the A3000 now one of the older ARM machines a 3.5"
format seems attractive, especially with a view to leaping into the ARMs
of a RISC-PC (s'cuse the pun).

The RISC-PC has only one 3.5" drive. Presumably because Acorn anticipated
the migration from floppys to CD-ROMs and other large storage media.
(Another drive cannot be added as ther is apparently no circuit-board test
point available for the drive selection line). But perhaps a SCSI floppy
drive can be added...??

2 Making contributions to EUG

As far as contributing to EUG goes, what is the prefered method? I would
not expect to to eagerly type in letters! (Especially as most of the disc
is text files).

Do you return the sourse disc to the contributor, after taking a master
copy? (If not, contributors would need a good supply of discs) - Where do
you get your discs from for EUG?

Do you you prefer letters/articles to be ASCII text files? (I would assume
that not everyone has a word processor so might ASCII save to the trouble
of converting?)

Perhaps a guide for new members text file would be appropriate...

3 Machine Specifics

It was mentioned that you bullied people whose programs will not run on
a basic Elk. I must admit to being largely unaware of the facilities
available on a basic Elk - my only contact with one was playing snapper on
a friends machine years ago. We had Beebs at school abd I bought a Master
128 in '88, so I am use to playing with shadow RAM and pallate switching
ect...

With this in mind could you publish a list of attributes of the basic Elk
as a guide for subscribers to program to? I'd like to know the following:

What are the graphics capabilities of the Elk?
-does it have all modes 0-7?
-is the screen mapped to &3000 - &8000?
Is pallate switching available (I know the Elk has no 6845 CRTC) (Via
VDU19)

What ports does the Elk have?
-a user port? what is its address?
-An anagogue port? ADVAL statements?
(I know the Master Compacts's differences in port structure)

What is the Elk's memory map like? Is it anything like the Master's?

I assume that readers Elk's:

Have only the usual 6502 instruction set.
have no shadow RAM or sideways RAM unless a card has been added.
can run ROM cartridges which the Master's should be able to run too.
have an ADFS interface - What extra memory pages does it use (gg from &E00
upwards)


00000000  32 31 20 4d 61 72 63 68  20 31 39 39 36 0d 0d 44  |21 March 1996..D|
00000010  65 61 72 20 47 75 73 2c  0d 0d 54 68 61 6e 6b 73  |ear Gus,..Thanks|
00000020  20 66 6f 72 20 73 65 6e  64 69 6e 67 20 74 68 65  | for sending the|
00000030  20 35 2e 32 35 22 20 41  44 46 53 20 76 65 72 73  | 5.25" ADFS vers|
00000040  69 6f 6e 20 2d 20 49 20  70 72 65 66 65 72 20 69  |ion - I prefer i|
00000050  74 20 74 6f 20 74 68 65  20 44 46 53 20 6f 6e 65  |t to the DFS one|
00000060  20 73 6f 0d 49 20 61 6d  20 72 65 74 75 72 6e 69  | so.I am returni|
00000070  6e 67 20 74 68 65 20 44  46 53 20 6f 6e 65 20 74  |ng the DFS one t|
00000080  6f 20 79 6f 75 2e 0d 0d  49 20 68 61 76 65 20 61  |o you...I have a|
00000090  20 66 65 77 20 71 75 65  73 74 69 6f 6e 73 20 61  | few questions a|
000000a0  6e 64 20 63 6f 6d 6d 65  6e 74 73 3a 0d 0d 31 20  |nd comments:..1 |
000000b0  44 69 73 63 73 20 61 6e  64 20 64 72 69 76 65 73  |Discs and drives|
000000c0  2e 0d 0d 49 20 61 6d 20  61 20 6c 69 74 74 6c 65  |...I am a little|
000000d0  20 77 6f 72 72 69 65 64  20 62 79 20 74 68 65 20  | worried by the |
000000e0  73 75 67 67 65 73 74 69  6f 6e 20 6f 66 20 61 20  |suggestion of a |
000000f0  6c 61 63 6b 20 6f 66 20  73 75 70 70 6f 72 74 20  |lack of support |
00000100  66 6f 72 20 62 72 6f 6b  65 6e 0d 35 2e 32 35 22  |for broken.5.25"|
00000110  20 64 72 69 76 65 73 2e  20 43 61 6e 20 79 6f 75  | drives. Can you|
00000120  20 28 6f 72 20 61 6e 79  6f 6e 65 20 61 74 20 45  | (or anyone at E|
00000130  55 47 29 20 67 65 74 20  68 6f 6c 64 20 6f 66 20  |UG) get hold of |
00000140  73 75 69 74 61 62 6c 65  20 33 2e 35 22 20 64 72  |suitable 3.5" dr|
00000150  69 76 65 73 0d 63 68 65  61 70 6c 79 20 28 70 72  |ives.cheaply (pr|
00000160  65 66 65 72 61 62 6c 79  20 77 69 74 68 20 50 53  |eferably with PS|
00000170  55 29 3f 20 49 20 77 6f  75 6c 64 20 68 61 76 65  |U)? I would have|
00000180  20 74 6f 20 6d 61 6b 65  20 61 20 64 61 74 61 20  | to make a data |
00000190  64 75 63 6b 20 64 65 76  69 63 65 20 61 73 0d 6d  |duck device as.m|
000001a0  79 20 64 72 69 76 65 20  69 73 20 61 20 64 75 61  |y drive is a dua|
000001b0  6c 20 35 2e 32 35 22 20  74 79 70 65 20 28 6f 72  |l 5.25" type (or|
000001c0  20 69 73 20 6f 6e 65 20  61 76 61 69 6c 61 62 6c  | is one availabl|
000001d0  65 29 2e 0d 0d 54 68 65  20 71 75 65 73 74 69 6f  |e)...The questio|
000001e0  6e 20 6f 66 20 64 69 73  63 20 66 6f 72 6d 61 74  |n of disc format|
000001f0  73 20 69 73 20 6f 6e 65  20 77 68 69 63 68 20 49  |s is one which I|
00000200  20 68 61 76 65 20 70 6f  6e 64 65 72 65 64 20 61  | have pondered a|
00000210  74 20 6c 65 6e 67 74 68  2e 20 47 69 76 65 6e 0d  |t length. Given.|
00000220  74 68 61 74 20 6f 6e 6c  74 20 61 6e 20 41 63 6f  |that onlt an Aco|
00000230  72 6e 20 6d 61 63 68 69  6e 65 20 68 61 73 20 61  |rn machine has a|
00000240  6e 79 20 68 6f 70 65 20  6f 66 20 72 75 6e 6e 69  |ny hope of runni|
00000250  6e 67 20 61 20 72 65 61  73 6f 6e 61 62 6c 65 20  |ng a reasonable |
00000260  42 65 65 62 0d 65 6d 75  6c 61 74 69 6f 6e 20 6f  |Beeb.emulation o|
00000270  66 20 61 6e 79 20 73 6f  72 74 20 61 6e 64 20 74  |f any sort and t|
00000280  68 61 74 20 61 20 35 2e  32 35 22 20 64 72 69 76  |hat a 5.25" driv|
00000290  65 20 69 73 20 61 76 61  69 6c 61 62 6c 65 20 6f  |e is available o|
000002a0  6e 6c 79 20 66 6f 72 20  73 75 63 68 0d 75 6e 69  |nly for such.uni|
000002b0  74 73 20 61 73 20 61 6e  20 61 64 64 2d 6f 6e 20  |ts as an add-on |
000002c0  66 6f 72 20 74 68 65 20  41 33 30 30 30 20 6e 6f  |for the A3000 no|
000002d0  77 20 6f 6e 65 20 6f 66  20 74 68 65 20 6f 6c 64  |w one of the old|
000002e0  65 72 20 41 52 4d 20 6d  61 63 68 69 6e 65 73 20  |er ARM machines |
000002f0  61 20 33 2e 35 22 0d 66  6f 72 6d 61 74 20 73 65  |a 3.5".format se|
00000300  65 6d 73 20 61 74 74 72  61 63 74 69 76 65 2c 20  |ems attractive, |
00000310  65 73 70 65 63 69 61 6c  6c 79 20 77 69 74 68 20  |especially with |
00000320  61 20 76 69 65 77 20 74  6f 20 6c 65 61 70 69 6e  |a view to leapin|
00000330  67 20 69 6e 74 6f 20 74  68 65 20 41 52 4d 73 0d  |g into the ARMs.|
00000340  6f 66 20 61 20 52 49 53  43 2d 50 43 20 28 73 27  |of a RISC-PC (s'|
00000350  63 75 73 65 20 74 68 65  20 70 75 6e 29 2e 0d 0d  |cuse the pun)...|
00000360  54 68 65 20 52 49 53 43  2d 50 43 20 68 61 73 20  |The RISC-PC has |
00000370  6f 6e 6c 79 20 6f 6e 65  20 33 2e 35 22 20 64 72  |only one 3.5" dr|
00000380  69 76 65 2e 20 50 72 65  73 75 6d 61 62 6c 79 20  |ive. Presumably |
00000390  62 65 63 61 75 73 65 20  41 63 6f 72 6e 20 61 6e  |because Acorn an|
000003a0  74 69 63 69 70 61 74 65  64 0d 74 68 65 20 6d 69  |ticipated.the mi|
000003b0  67 72 61 74 69 6f 6e 20  66 72 6f 6d 20 66 6c 6f  |gration from flo|
000003c0  70 70 79 73 20 74 6f 20  43 44 2d 52 4f 4d 73 20  |ppys to CD-ROMs |
000003d0  61 6e 64 20 6f 74 68 65  72 20 6c 61 72 67 65 20  |and other large |
000003e0  73 74 6f 72 61 67 65 20  6d 65 64 69 61 2e 0d 28  |storage media..(|
000003f0  41 6e 6f 74 68 65 72 20  64 72 69 76 65 20 63 61  |Another drive ca|
00000400  6e 6e 6f 74 20 62 65 20  61 64 64 65 64 20 61 73  |nnot be added as|
00000410  20 74 68 65 72 20 69 73  20 61 70 70 61 72 65 6e  | ther is apparen|
00000420  74 6c 79 20 6e 6f 20 63  69 72 63 75 69 74 2d 62  |tly no circuit-b|
00000430  6f 61 72 64 20 74 65 73  74 0d 70 6f 69 6e 74 20  |oard test.point |
00000440  61 76 61 69 6c 61 62 6c  65 20 66 6f 72 20 74 68  |available for th|
00000450  65 20 64 72 69 76 65 20  73 65 6c 65 63 74 69 6f  |e drive selectio|
00000460  6e 20 6c 69 6e 65 29 2e  20 42 75 74 20 70 65 72  |n line). But per|
00000470  68 61 70 73 20 61 20 53  43 53 49 20 66 6c 6f 70  |haps a SCSI flop|
00000480  70 79 0d 64 72 69 76 65  20 63 61 6e 20 62 65 20  |py.drive can be |
00000490  61 64 64 65 64 2e 2e 2e  3f 3f 0d 0d 32 20 4d 61  |added...??..2 Ma|
000004a0  6b 69 6e 67 20 63 6f 6e  74 72 69 62 75 74 69 6f  |king contributio|
000004b0  6e 73 20 74 6f 20 45 55  47 0d 0d 41 73 20 66 61  |ns to EUG..As fa|
000004c0  72 20 61 73 20 63 6f 6e  74 72 69 62 75 74 69 6e  |r as contributin|
000004d0  67 20 74 6f 20 45 55 47  20 67 6f 65 73 2c 20 77  |g to EUG goes, w|
000004e0  68 61 74 20 69 73 20 74  68 65 20 70 72 65 66 65  |hat is the prefe|
000004f0  72 65 64 20 6d 65 74 68  6f 64 3f 20 49 20 77 6f  |red method? I wo|
00000500  75 6c 64 0d 6e 6f 74 20  65 78 70 65 63 74 20 74  |uld.not expect t|
00000510  6f 20 74 6f 20 65 61 67  65 72 6c 79 20 74 79 70  |o to eagerly typ|
00000520  65 20 69 6e 20 6c 65 74  74 65 72 73 21 20 28 45  |e in letters! (E|
00000530  73 70 65 63 69 61 6c 6c  79 20 61 73 20 6d 6f 73  |specially as mos|
00000540  74 20 6f 66 20 74 68 65  20 64 69 73 63 0d 69 73  |t of the disc.is|
00000550  20 74 65 78 74 20 66 69  6c 65 73 29 2e 0d 0d 44  | text files)...D|
00000560  6f 20 79 6f 75 20 72 65  74 75 72 6e 20 74 68 65  |o you return the|
00000570  20 73 6f 75 72 73 65 20  64 69 73 63 20 74 6f 20  | sourse disc to |
00000580  74 68 65 20 63 6f 6e 74  72 69 62 75 74 6f 72 2c  |the contributor,|
00000590  20 61 66 74 65 72 20 74  61 6b 69 6e 67 20 61 20  | after taking a |
000005a0  6d 61 73 74 65 72 0d 63  6f 70 79 3f 20 28 49 66  |master.copy? (If|
000005b0  20 6e 6f 74 2c 20 63 6f  6e 74 72 69 62 75 74 6f  | not, contributo|
000005c0  72 73 20 77 6f 75 6c 64  20 6e 65 65 64 20 61 20  |rs would need a |
000005d0  67 6f 6f 64 20 73 75 70  70 6c 79 20 6f 66 20 64  |good supply of d|
000005e0  69 73 63 73 29 20 2d 20  57 68 65 72 65 20 64 6f  |iscs) - Where do|
000005f0  0d 79 6f 75 20 67 65 74  20 79 6f 75 72 20 64 69  |.you get your di|
00000600  73 63 73 20 66 72 6f 6d  20 66 6f 72 20 45 55 47  |scs from for EUG|
00000610  3f 0d 0d 44 6f 20 79 6f  75 20 79 6f 75 20 70 72  |?..Do you you pr|
00000620  65 66 65 72 20 6c 65 74  74 65 72 73 2f 61 72 74  |efer letters/art|
00000630  69 63 6c 65 73 20 74 6f  20 62 65 20 41 53 43 49  |icles to be ASCI|
00000640  49 20 74 65 78 74 20 66  69 6c 65 73 3f 20 28 49  |I text files? (I|
00000650  20 77 6f 75 6c 64 20 61  73 73 75 6d 65 0d 74 68  | would assume.th|
00000660  61 74 20 6e 6f 74 20 65  76 65 72 79 6f 6e 65 20  |at not everyone |
00000670  68 61 73 20 61 20 77 6f  72 64 20 70 72 6f 63 65  |has a word proce|
00000680  73 73 6f 72 20 73 6f 20  6d 69 67 68 74 20 41 53  |ssor so might AS|
00000690  43 49 49 20 73 61 76 65  20 74 6f 20 74 68 65 20  |CII save to the |
000006a0  74 72 6f 75 62 6c 65 0d  6f 66 20 63 6f 6e 76 65  |trouble.of conve|
000006b0  72 74 69 6e 67 3f 29 0d  0d 50 65 72 68 61 70 73  |rting?)..Perhaps|
000006c0  20 61 20 67 75 69 64 65  20 66 6f 72 20 6e 65 77  | a guide for new|
000006d0  20 6d 65 6d 62 65 72 73  20 74 65 78 74 20 66 69  | members text fi|
000006e0  6c 65 20 77 6f 75 6c 64  20 62 65 20 61 70 70 72  |le would be appr|
000006f0  6f 70 72 69 61 74 65 2e  2e 2e 0d 0d 33 20 4d 61  |opriate.....3 Ma|
00000700  63 68 69 6e 65 20 53 70  65 63 69 66 69 63 73 0d  |chine Specifics.|
00000710  0d 49 74 20 77 61 73 20  6d 65 6e 74 69 6f 6e 65  |.It was mentione|
00000720  64 20 74 68 61 74 20 79  6f 75 20 62 75 6c 6c 69  |d that you bulli|
00000730  65 64 20 70 65 6f 70 6c  65 20 77 68 6f 73 65 20  |ed people whose |
00000740  70 72 6f 67 72 61 6d 73  20 77 69 6c 6c 20 6e 6f  |programs will no|
00000750  74 20 72 75 6e 20 6f 6e  0d 61 20 62 61 73 69 63  |t run on.a basic|
00000760  20 45 6c 6b 2e 20 49 20  6d 75 73 74 20 61 64 6d  | Elk. I must adm|
00000770  69 74 20 74 6f 20 62 65  69 6e 67 20 6c 61 72 67  |it to being larg|
00000780  65 6c 79 20 75 6e 61 77  61 72 65 20 6f 66 20 74  |ely unaware of t|
00000790  68 65 20 66 61 63 69 6c  69 74 69 65 73 0d 61 76  |he facilities.av|
000007a0  61 69 6c 61 62 6c 65 20  6f 6e 20 61 20 62 61 73  |ailable on a bas|
000007b0  69 63 20 45 6c 6b 20 2d  20 6d 79 20 6f 6e 6c 79  |ic Elk - my only|
000007c0  20 63 6f 6e 74 61 63 74  20 77 69 74 68 20 6f 6e  | contact with on|
000007d0  65 20 77 61 73 20 70 6c  61 79 69 6e 67 20 73 6e  |e was playing sn|
000007e0  61 70 70 65 72 20 6f 6e  0d 61 20 66 72 69 65 6e  |apper on.a frien|
000007f0  64 73 20 6d 61 63 68 69  6e 65 20 79 65 61 72 73  |ds machine years|
00000800  20 61 67 6f 2e 20 57 65  20 68 61 64 20 42 65 65  | ago. We had Bee|
00000810  62 73 20 61 74 20 73 63  68 6f 6f 6c 20 61 62 64  |bs at school abd|
00000820  20 49 20 62 6f 75 67 68  74 20 61 20 4d 61 73 74  | I bought a Mast|
00000830  65 72 0d 31 32 38 20 69  6e 20 27 38 38 2c 20 73  |er.128 in '88, s|
00000840  6f 20 49 20 61 6d 20 75  73 65 20 74 6f 20 70 6c  |o I am use to pl|
00000850  61 79 69 6e 67 20 77 69  74 68 20 73 68 61 64 6f  |aying with shado|
00000860  77 20 52 41 4d 20 61 6e  64 20 70 61 6c 6c 61 74  |w RAM and pallat|
00000870  65 20 73 77 69 74 63 68  69 6e 67 0d 65 63 74 2e  |e switching.ect.|
00000880  2e 2e 0d 0d 57 69 74 68  20 74 68 69 73 20 69 6e  |....With this in|
00000890  20 6d 69 6e 64 20 63 6f  75 6c 64 20 79 6f 75 20  | mind could you |
000008a0  70 75 62 6c 69 73 68 20  61 20 6c 69 73 74 20 6f  |publish a list o|
000008b0  66 20 61 74 74 72 69 62  75 74 65 73 20 6f 66 20  |f attributes of |
000008c0  74 68 65 20 62 61 73 69  63 20 45 6c 6b 0d 61 73  |the basic Elk.as|
000008d0  20 61 20 67 75 69 64 65  20 66 6f 72 20 73 75 62  | a guide for sub|
000008e0  73 63 72 69 62 65 72 73  20 74 6f 20 70 72 6f 67  |scribers to prog|
000008f0  72 61 6d 20 74 6f 3f 20  49 27 64 20 6c 69 6b 65  |ram to? I'd like|
00000900  20 74 6f 20 6b 6e 6f 77  20 74 68 65 20 66 6f 6c  | to know the fol|
00000910  6c 6f 77 69 6e 67 3a 0d  0d 57 68 61 74 20 61 72  |lowing:..What ar|
00000920  65 20 74 68 65 20 67 72  61 70 68 69 63 73 20 63  |e the graphics c|
00000930  61 70 61 62 69 6c 69 74  69 65 73 20 6f 66 20 74  |apabilities of t|
00000940  68 65 20 45 6c 6b 3f 0d  2d 64 6f 65 73 20 69 74  |he Elk?.-does it|
00000950  20 68 61 76 65 20 61 6c  6c 20 6d 6f 64 65 73 20  | have all modes |
00000960  30 2d 37 3f 0d 2d 69 73  20 74 68 65 20 73 63 72  |0-7?.-is the scr|
00000970  65 65 6e 20 6d 61 70 70  65 64 20 74 6f 20 26 33  |een mapped to &3|
00000980  30 30 30 20 2d 20 26 38  30 30 30 3f 0d 49 73 20  |000 - &8000?.Is |
00000990  70 61 6c 6c 61 74 65 20  73 77 69 74 63 68 69 6e  |pallate switchin|
000009a0  67 20 61 76 61 69 6c 61  62 6c 65 20 28 49 20 6b  |g available (I k|
000009b0  6e 6f 77 20 74 68 65 20  45 6c 6b 20 68 61 73 20  |now the Elk has |
000009c0  6e 6f 20 36 38 34 35 20  43 52 54 43 29 20 28 56  |no 6845 CRTC) (V|
000009d0  69 61 0d 56 44 55 31 39  29 0d 0d 57 68 61 74 20  |ia.VDU19)..What |
000009e0  70 6f 72 74 73 20 64 6f  65 73 20 74 68 65 20 45  |ports does the E|
000009f0  6c 6b 20 68 61 76 65 3f  0d 2d 61 20 75 73 65 72  |lk have?.-a user|
00000a00  20 70 6f 72 74 3f 20 77  68 61 74 20 69 73 20 69  | port? what is i|
00000a10  74 73 20 61 64 64 72 65  73 73 3f 0d 2d 41 6e 20  |ts address?.-An |
00000a20  61 6e 61 67 6f 67 75 65  20 70 6f 72 74 3f 20 41  |anagogue port? A|
00000a30  44 56 41 4c 20 73 74 61  74 65 6d 65 6e 74 73 3f  |DVAL statements?|
00000a40  0d 28 49 20 6b 6e 6f 77  20 74 68 65 20 4d 61 73  |.(I know the Mas|
00000a50  74 65 72 20 43 6f 6d 70  61 63 74 73 27 73 20 64  |ter Compacts's d|
00000a60  69 66 66 65 72 65 6e 63  65 73 20 69 6e 20 70 6f  |ifferences in po|
00000a70  72 74 20 73 74 72 75 63  74 75 72 65 29 0d 0d 57  |rt structure)..W|
00000a80  68 61 74 20 69 73 20 74  68 65 20 45 6c 6b 27 73  |hat is the Elk's|
00000a90  20 6d 65 6d 6f 72 79 20  6d 61 70 20 6c 69 6b 65  | memory map like|
00000aa0  3f 20 49 73 20 69 74 20  61 6e 79 74 68 69 6e 67  |? Is it anything|
00000ab0  20 6c 69 6b 65 20 74 68  65 20 4d 61 73 74 65 72  | like the Master|
00000ac0  27 73 3f 0d 0d 49 20 61  73 73 75 6d 65 20 74 68  |'s?..I assume th|
00000ad0  61 74 20 72 65 61 64 65  72 73 20 45 6c 6b 27 73  |at readers Elk's|
00000ae0  3a 0d 0d 48 61 76 65 20  6f 6e 6c 79 20 74 68 65  |:..Have only the|
00000af0  20 75 73 75 61 6c 20 36  35 30 32 20 69 6e 73 74  | usual 6502 inst|
00000b00  72 75 63 74 69 6f 6e 20  73 65 74 2e 0d 68 61 76  |ruction set..hav|
00000b10  65 20 6e 6f 20 73 68 61  64 6f 77 20 52 41 4d 20  |e no shadow RAM |
00000b20  6f 72 20 73 69 64 65 77  61 79 73 20 52 41 4d 20  |or sideways RAM |
00000b30  75 6e 6c 65 73 73 20 61  20 63 61 72 64 20 68 61  |unless a card ha|
00000b40  73 20 62 65 65 6e 20 61  64 64 65 64 2e 0d 63 61  |s been added..ca|
00000b50  6e 20 72 75 6e 20 52 4f  4d 20 63 61 72 74 72 69  |n run ROM cartri|
00000b60  64 67 65 73 20 77 68 69  63 68 20 74 68 65 20 4d  |dges which the M|
00000b70  61 73 74 65 72 27 73 20  73 68 6f 75 6c 64 20 62  |aster's should b|
00000b80  65 20 61 62 6c 65 20 74  6f 20 72 75 6e 20 74 6f  |e able to run to|
00000b90  6f 2e 0d 68 61 76 65 20  61 6e 20 41 44 46 53 20  |o..have an ADFS |
00000ba0  69 6e 74 65 72 66 61 63  65 20 2d 20 57 68 61 74  |interface - What|
00000bb0  20 65 78 74 72 61 20 6d  65 6d 6f 72 79 20 70 61  | extra memory pa|
00000bc0  67 65 73 20 64 6f 65 73  20 69 74 20 75 73 65 20  |ges does it use |
00000bd0  28 67 67 20 66 72 6f 6d  20 26 45 30 30 0d 75 70  |(gg from &E00.up|
00000be0  77 61 72 64 73 29 0d 0d  0d                       |wards)...|
00000be9
L/BELLIS1.m0
L/BELLIS1.m1
L/BELLIS1.m2
L/BELLIS1.m4
L/BELLIS1.m5