Home » CEEFAX disks » telesoftware3.adl » 27_11_87/OSBYTE

27_11_87/OSBYTE

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 » CEEFAX disks » telesoftware3.adl
Filename: 27_11_87/OSBYTE
Read OK:
File size: 075C bytes
Load address: FFFF1900
Exec address: FFFF8023
Duplicates

There is 1 duplicate copy of this file in the archive:

File contents
   10REM: OSBYTE
   20MODE7
   30HIMEM=&3C00
   40DIM save 50
   50diff=&8000-HIMEM
   60accumulator=&EF
   70xregister=&F0
   80yregister=&F1
   90rompoint=&F6
  100table=&2A1
  110osrdrm=&FFB9
  120osasci=&FFE3
  130osnewl=&FFE7
  140osbyte=&FFF4
  150oscli=&FFF7
  160FOR pass = 0 TO 2 STEP 2
  170P%=HIMEM
  180[OPT pass
  190BRK
  200BRK
  210BRK
  220JMP service+diff
  230OPT FNequb(&82)
  240OPT FNequb((copyright+diff) MOD 256)
  250BRK
  260OPT FNequs("OSBYTE")
  270.copyright
  280BRK
  290OPT FNequs("(C) Gordon Horsington 1987")
  300BRK
  310.service
  320PHA
  330CMP #7
  340BEQ newosbyte
  350.exit
  360PLA
  370RTS
  380.newosbyte
  390LDA accumulator
  400CMP #100
  410BNE exit
  420LDX xregister
  430CPX #&10
  440BCS checkyreg
  450LDA #0
  460STA table,X
  470.checkyreg
  480LDY yregister
  490BEQ out
  500.romlist
  510JSR romnames+diff
  520.out
  530LDX xregister
  540LDY yregister
  550PLA
  560LDA #0
  570RTS
  580.romnames
  590JSR osnewl
  600LDA #&F
  610PHA
  620.romloop
  630TAY
  640LDA table,Y
  650BEQ nothere
  660TYA
  670JSR decimal+diff
  680LDA #ASC(" ")
  690JSR osasci
  700LDA #&8
  710STA rompoint
  720LDA #&80
  730STA rompoint+1
  740.readloop
  750INC rompoint
  760BEQ newline
  770PLA
  780PHA
  790TAY
  800JSR osrdrm
  810CMP #ASC(" ")
  820BCC newline
  830JSR osasci
  840JMP readloop+diff
  850.newline
  860JSR osnewl
  870.nothere
  880PLA
  890SEC
  900SBC #1
  910PHA
  920BPL romloop
  930PLA
  940JMP osnewl
  950.decimal
  960SED
  970CLC
  980ADC #0
  990CLD
 1000PHA
 1010LSR A
 1020LSR A
 1030LSR A
 1040LSR A
 1050JSR nibble+diff
 1060PLA
 1070AND #&F
 1080.nibble
 1090CLC
 1100ADC #ASC("0")
 1110JMP osasci
 1120.lastbyte
 1130]
 1140NEXT
 1150INPUT'"Save filename = "filename$
 1160IF filename$="" END
 1170$save="SAVE "+filename$+" "+STR$~(HIMEM)+" "+STR$~(lastbyte)+" FFFF8000 FFFF8000"
 1180X%=save MOD 256
 1190Y%=save DIV 256
 1200*OPT1,2
 1210CALL oscli
 1220*OPT1,0
 1230END
 1240DEFFNequb(byte)
 1250?P%=byte
 1260P%=P%+1
 1270=pass
 1280DEFFNequw(word)
 1290?P%=word MOD 256
 1300P%?1=word DIV 256
 1310P%=P%+2
 1320=pass
 1330DEFFNequd(double)
 1340!P%=double
 1350P%=P%+4
 1360=pass
 1370DEFFNequs(string$)
 1380$P%=string$
 1390P%=P%+LEN(string$)
 1400=pass


�: OSBYTE
�7
�=&3C00
(
� save 50
2diff=&8000-�
<accumulator=&EF
Fxregister=&F0
Pyregister=&F1
Zrompoint=&F6
dtable=&2A1
nosrdrm=&FFB9
xosasci=&FFE3
�osnewl=&FFE7
�osbyte=&FFF4
�oscli=&FFF7
�� pass = 0 � 2 � 2
�P%=�
�
[OPT pass
�BRK
�BRK
�BRK
�JMP service+diff
�OPT �equb(&82)
�%OPT �equb((copyright+diff) � 256)
�BRK
OPT �equs("OSBYTE")
.copyright
BRK
"+OPT �equs("(C) Gordon Horsington 1987")
,BRK
6.service
@PHA
J
CMP #7
TBEQ newosbyte
^	.exit
hPLA
rRTS
|.newosbyte
�LDA accumulator
�CMP #100
�BNE exit
�LDX xregister
�CPX #&10
�BCS checkyreg
�
LDA #0
�STA table,X
�.checkyreg
�LDY yregister
�BEQ out
�.romlist
�JSR romnames+diff
.out
LDX xregister
LDY yregister
&PLA
0
LDA #0
:RTS
D
.romnames
NJSR osnewl
XLDA #&F
bPHA
l.romloop
vTAY
�LDA table,Y
�BEQ nothere
�TYA
�JSR decimal+diff
�LDA #�(" ")
�JSR osasci
�LDA #&8
�STA rompoint
�LDA #&80
�STA rompoint+1
�
.readloop
�INC rompoint
�BEQ newline
PLA
PHA
TAY
 JSR osrdrm
*CMP #�(" ")
4BCC newline
>JSR osasci
HJMP readloop+diff
R.newline
\JSR osnewl
f.nothere
pPLA
zSEC
�
SBC #1
�PHA
�BPL romloop
�PLA
�JMP osnewl
�.decimal
�SED
�CLC
�
ADC #0
�CLD
�PHA
�	LSR A
�	LSR A
	LSR A
	LSR A
JSR nibble+diff
$PLA
.	� #&F
8.nibble
BCLC
LADC #�("0")
VJMP osasci
`
.lastbyte
j]
t�
~!�'"Save filename = "filename$
�� filename$="" �
�K$save="SAVE "+filename$+" "+�~(�)+" "+�~(lastbyte)+" FFFF8000 FFFF8000"
�X%=save � 256
�Y%=save � 256
�*OPT1,2
�� oscli
�*OPT1,0
��
�ݤequb(byte)
�?P%=byte
�P%=P%+1
�	=pass
ݤequw(word)

?P%=word � 256
P%?1=word � 256
P%=P%+2
(	=pass
2ݤequd(double)
<!P%=double
FP%=P%+4
P	=pass
Zݤequs(string$)
d$P%=string$
nP%=P%+�(string$)
x	=pass
�
00000000  0d 00 0a 0d f4 3a 20 4f  53 42 59 54 45 0d 00 14  |.....: OSBYTE...|
00000010  06 eb 37 0d 00 1e 0b d3  3d 26 33 43 30 30 0d 00  |..7.....=&3C00..|
00000020  28 0d de 20 73 61 76 65  20 35 30 0d 00 32 10 64  |(.. save 50..2.d|
00000030  69 66 66 3d 26 38 30 30  30 2d 93 0d 00 3c 13 61  |iff=&8000-...<.a|
00000040  63 63 75 6d 75 6c 61 74  6f 72 3d 26 45 46 0d 00  |ccumulator=&EF..|
00000050  46 11 78 72 65 67 69 73  74 65 72 3d 26 46 30 0d  |F.xregister=&F0.|
00000060  00 50 11 79 72 65 67 69  73 74 65 72 3d 26 46 31  |.P.yregister=&F1|
00000070  0d 00 5a 10 72 6f 6d 70  6f 69 6e 74 3d 26 46 36  |..Z.rompoint=&F6|
00000080  0d 00 64 0e 74 61 62 6c  65 3d 26 32 41 31 0d 00  |..d.table=&2A1..|
00000090  6e 10 6f 73 72 64 72 6d  3d 26 46 46 42 39 0d 00  |n.osrdrm=&FFB9..|
000000a0  78 10 6f 73 61 73 63 69  3d 26 46 46 45 33 0d 00  |x.osasci=&FFE3..|
000000b0  82 10 6f 73 6e 65 77 6c  3d 26 46 46 45 37 0d 00  |..osnewl=&FFE7..|
000000c0  8c 10 6f 73 62 79 74 65  3d 26 46 46 46 34 0d 00  |..osbyte=&FFF4..|
000000d0  96 0f 6f 73 63 6c 69 3d  26 46 46 46 37 0d 00 a0  |..oscli=&FFF7...|
000000e0  16 e3 20 70 61 73 73 20  3d 20 30 20 b8 20 32 20  |.. pass = 0 . 2 |
000000f0  88 20 32 0d 00 aa 08 50  25 3d 93 0d 00 b4 0d 5b  |. 2....P%=.....[|
00000100  4f 50 54 20 70 61 73 73  0d 00 be 07 42 52 4b 0d  |OPT pass....BRK.|
00000110  00 c8 07 42 52 4b 0d 00  d2 07 42 52 4b 0d 00 dc  |...BRK....BRK...|
00000120  14 4a 4d 50 20 73 65 72  76 69 63 65 2b 64 69 66  |.JMP service+dif|
00000130  66 0d 00 e6 12 4f 50 54  20 a4 65 71 75 62 28 26  |f....OPT .equb(&|
00000140  38 32 29 0d 00 f0 25 4f  50 54 20 a4 65 71 75 62  |82)...%OPT .equb|
00000150  28 28 63 6f 70 79 72 69  67 68 74 2b 64 69 66 66  |((copyright+diff|
00000160  29 20 83 20 32 35 36 29  0d 00 fa 07 42 52 4b 0d  |) . 256)....BRK.|
00000170  01 04 17 4f 50 54 20 a4  65 71 75 73 28 22 4f 53  |...OPT .equs("OS|
00000180  42 59 54 45 22 29 0d 01  0e 0e 2e 63 6f 70 79 72  |BYTE").....copyr|
00000190  69 67 68 74 0d 01 18 07  42 52 4b 0d 01 22 2b 4f  |ight....BRK.."+O|
000001a0  50 54 20 a4 65 71 75 73  28 22 28 43 29 20 47 6f  |PT .equs("(C) Go|
000001b0  72 64 6f 6e 20 48 6f 72  73 69 6e 67 74 6f 6e 20  |rdon Horsington |
000001c0  31 39 38 37 22 29 0d 01  2c 07 42 52 4b 0d 01 36  |1987")..,.BRK..6|
000001d0  0c 2e 73 65 72 76 69 63  65 0d 01 40 07 50 48 41  |..service..@.PHA|
000001e0  0d 01 4a 0a 43 4d 50 20  23 37 0d 01 54 11 42 45  |..J.CMP #7..T.BE|
000001f0  51 20 6e 65 77 6f 73 62  79 74 65 0d 01 5e 09 2e  |Q newosbyte..^..|
00000200  65 78 69 74 0d 01 68 07  50 4c 41 0d 01 72 07 52  |exit..h.PLA..r.R|
00000210  54 53 0d 01 7c 0e 2e 6e  65 77 6f 73 62 79 74 65  |TS..|..newosbyte|
00000220  0d 01 86 13 4c 44 41 20  61 63 63 75 6d 75 6c 61  |....LDA accumula|
00000230  74 6f 72 0d 01 90 0c 43  4d 50 20 23 31 30 30 0d  |tor....CMP #100.|
00000240  01 9a 0c 42 4e 45 20 65  78 69 74 0d 01 a4 11 4c  |...BNE exit....L|
00000250  44 58 20 78 72 65 67 69  73 74 65 72 0d 01 ae 0c  |DX xregister....|
00000260  43 50 58 20 23 26 31 30  0d 01 b8 11 42 43 53 20  |CPX #&10....BCS |
00000270  63 68 65 63 6b 79 72 65  67 0d 01 c2 0a 4c 44 41  |checkyreg....LDA|
00000280  20 23 30 0d 01 cc 0f 53  54 41 20 74 61 62 6c 65  | #0....STA table|
00000290  2c 58 0d 01 d6 0e 2e 63  68 65 63 6b 79 72 65 67  |,X.....checkyreg|
000002a0  0d 01 e0 11 4c 44 59 20  79 72 65 67 69 73 74 65  |....LDY yregiste|
000002b0  72 0d 01 ea 0b 42 45 51  20 6f 75 74 0d 01 f4 0c  |r....BEQ out....|
000002c0  2e 72 6f 6d 6c 69 73 74  0d 01 fe 15 4a 53 52 20  |.romlist....JSR |
000002d0  72 6f 6d 6e 61 6d 65 73  2b 64 69 66 66 0d 02 08  |romnames+diff...|
000002e0  08 2e 6f 75 74 0d 02 12  11 4c 44 58 20 78 72 65  |..out....LDX xre|
000002f0  67 69 73 74 65 72 0d 02  1c 11 4c 44 59 20 79 72  |gister....LDY yr|
00000300  65 67 69 73 74 65 72 0d  02 26 07 50 4c 41 0d 02  |egister..&.PLA..|
00000310  30 0a 4c 44 41 20 23 30  0d 02 3a 07 52 54 53 0d  |0.LDA #0..:.RTS.|
00000320  02 44 0d 2e 72 6f 6d 6e  61 6d 65 73 0d 02 4e 0e  |.D..romnames..N.|
00000330  4a 53 52 20 6f 73 6e 65  77 6c 0d 02 58 0b 4c 44  |JSR osnewl..X.LD|
00000340  41 20 23 26 46 0d 02 62  07 50 48 41 0d 02 6c 0c  |A #&F..b.PHA..l.|
00000350  2e 72 6f 6d 6c 6f 6f 70  0d 02 76 07 54 41 59 0d  |.romloop..v.TAY.|
00000360  02 80 0f 4c 44 41 20 74  61 62 6c 65 2c 59 0d 02  |...LDA table,Y..|
00000370  8a 0f 42 45 51 20 6e 6f  74 68 65 72 65 0d 02 94  |..BEQ nothere...|
00000380  07 54 59 41 0d 02 9e 14  4a 53 52 20 64 65 63 69  |.TYA....JSR deci|
00000390  6d 61 6c 2b 64 69 66 66  0d 02 a8 0f 4c 44 41 20  |mal+diff....LDA |
000003a0  23 97 28 22 20 22 29 0d  02 b2 0e 4a 53 52 20 6f  |#.(" ")....JSR o|
000003b0  73 61 73 63 69 0d 02 bc  0b 4c 44 41 20 23 26 38  |sasci....LDA #&8|
000003c0  0d 02 c6 10 53 54 41 20  72 6f 6d 70 6f 69 6e 74  |....STA rompoint|
000003d0  0d 02 d0 0c 4c 44 41 20  23 26 38 30 0d 02 da 12  |....LDA #&80....|
000003e0  53 54 41 20 72 6f 6d 70  6f 69 6e 74 2b 31 0d 02  |STA rompoint+1..|
000003f0  e4 0d 2e 72 65 61 64 6c  6f 6f 70 0d 02 ee 10 49  |...readloop....I|
00000400  4e 43 20 72 6f 6d 70 6f  69 6e 74 0d 02 f8 0f 42  |NC rompoint....B|
00000410  45 51 20 6e 65 77 6c 69  6e 65 0d 03 02 07 50 4c  |EQ newline....PL|
00000420  41 0d 03 0c 07 50 48 41  0d 03 16 07 54 41 59 0d  |A....PHA....TAY.|
00000430  03 20 0e 4a 53 52 20 6f  73 72 64 72 6d 0d 03 2a  |. .JSR osrdrm..*|
00000440  0f 43 4d 50 20 23 97 28  22 20 22 29 0d 03 34 0f  |.CMP #.(" ")..4.|
00000450  42 43 43 20 6e 65 77 6c  69 6e 65 0d 03 3e 0e 4a  |BCC newline..>.J|
00000460  53 52 20 6f 73 61 73 63  69 0d 03 48 15 4a 4d 50  |SR osasci..H.JMP|
00000470  20 72 65 61 64 6c 6f 6f  70 2b 64 69 66 66 0d 03  | readloop+diff..|
00000480  52 0c 2e 6e 65 77 6c 69  6e 65 0d 03 5c 0e 4a 53  |R..newline..\.JS|
00000490  52 20 6f 73 6e 65 77 6c  0d 03 66 0c 2e 6e 6f 74  |R osnewl..f..not|
000004a0  68 65 72 65 0d 03 70 07  50 4c 41 0d 03 7a 07 53  |here..p.PLA..z.S|
000004b0  45 43 0d 03 84 0a 53 42  43 20 23 31 0d 03 8e 07  |EC....SBC #1....|
000004c0  50 48 41 0d 03 98 0f 42  50 4c 20 72 6f 6d 6c 6f  |PHA....BPL romlo|
000004d0  6f 70 0d 03 a2 07 50 4c  41 0d 03 ac 0e 4a 4d 50  |op....PLA....JMP|
000004e0  20 6f 73 6e 65 77 6c 0d  03 b6 0c 2e 64 65 63 69  | osnewl.....deci|
000004f0  6d 61 6c 0d 03 c0 07 53  45 44 0d 03 ca 07 43 4c  |mal....SED....CL|
00000500  43 0d 03 d4 0a 41 44 43  20 23 30 0d 03 de 07 43  |C....ADC #0....C|
00000510  4c 44 0d 03 e8 07 50 48  41 0d 03 f2 09 4c 53 52  |LD....PHA....LSR|
00000520  20 41 0d 03 fc 09 4c 53  52 20 41 0d 04 06 09 4c  | A....LSR A....L|
00000530  53 52 20 41 0d 04 10 09  4c 53 52 20 41 0d 04 1a  |SR A....LSR A...|
00000540  13 4a 53 52 20 6e 69 62  62 6c 65 2b 64 69 66 66  |.JSR nibble+diff|
00000550  0d 04 24 07 50 4c 41 0d  04 2e 09 80 20 23 26 46  |..$.PLA..... #&F|
00000560  0d 04 38 0b 2e 6e 69 62  62 6c 65 0d 04 42 07 43  |..8..nibble..B.C|
00000570  4c 43 0d 04 4c 0f 41 44  43 20 23 97 28 22 30 22  |LC..L.ADC #.("0"|
00000580  29 0d 04 56 0e 4a 4d 50  20 6f 73 61 73 63 69 0d  |)..V.JMP osasci.|
00000590  04 60 0d 2e 6c 61 73 74  62 79 74 65 0d 04 6a 05  |.`..lastbyte..j.|
000005a0  5d 0d 04 74 05 ed 0d 04  7e 21 e8 27 22 53 61 76  |]..t....~!.'"Sav|
000005b0  65 20 66 69 6c 65 6e 61  6d 65 20 3d 20 22 66 69  |e filename = "fi|
000005c0  6c 65 6e 61 6d 65 24 0d  04 88 14 e7 20 66 69 6c  |lename$..... fil|
000005d0  65 6e 61 6d 65 24 3d 22  22 20 e0 0d 04 92 4b 24  |ename$="" ....K$|
000005e0  73 61 76 65 3d 22 53 41  56 45 20 22 2b 66 69 6c  |save="SAVE "+fil|
000005f0  65 6e 61 6d 65 24 2b 22  20 22 2b c3 7e 28 93 29  |ename$+" "+.~(.)|
00000600  2b 22 20 22 2b c3 7e 28  6c 61 73 74 62 79 74 65  |+" "+.~(lastbyte|
00000610  29 2b 22 20 46 46 46 46  38 30 30 30 20 46 46 46  |)+" FFFF8000 FFF|
00000620  46 38 30 30 30 22 0d 04  9c 11 58 25 3d 73 61 76  |F8000"....X%=sav|
00000630  65 20 83 20 32 35 36 0d  04 a6 11 59 25 3d 73 61  |e . 256....Y%=sa|
00000640  76 65 20 81 20 32 35 36  0d 04 b0 0b 2a 4f 50 54  |ve . 256....*OPT|
00000650  31 2c 32 0d 04 ba 0b d6  20 6f 73 63 6c 69 0d 04  |1,2..... oscli..|
00000660  c4 0b 2a 4f 50 54 31 2c  30 0d 04 ce 05 e0 0d 04  |..*OPT1,0.......|
00000670  d8 10 dd a4 65 71 75 62  28 62 79 74 65 29 0d 04  |....equb(byte)..|
00000680  e2 0c 3f 50 25 3d 62 79  74 65 0d 04 ec 0b 50 25  |..?P%=byte....P%|
00000690  3d 50 25 2b 31 0d 04 f6  09 3d 70 61 73 73 0d 05  |=P%+1....=pass..|
000006a0  00 10 dd a4 65 71 75 77  28 77 6f 72 64 29 0d 05  |....equw(word)..|
000006b0  0a 12 3f 50 25 3d 77 6f  72 64 20 83 20 32 35 36  |..?P%=word . 256|
000006c0  0d 05 14 13 50 25 3f 31  3d 77 6f 72 64 20 81 20  |....P%?1=word . |
000006d0  32 35 36 0d 05 1e 0b 50  25 3d 50 25 2b 32 0d 05  |256....P%=P%+2..|
000006e0  28 09 3d 70 61 73 73 0d  05 32 12 dd a4 65 71 75  |(.=pass..2...equ|
000006f0  64 28 64 6f 75 62 6c 65  29 0d 05 3c 0e 21 50 25  |d(double)..<.!P%|
00000700  3d 64 6f 75 62 6c 65 0d  05 46 0b 50 25 3d 50 25  |=double..F.P%=P%|
00000710  2b 34 0d 05 50 09 3d 70  61 73 73 0d 05 5a 13 dd  |+4..P.=pass..Z..|
00000720  a4 65 71 75 73 28 73 74  72 69 6e 67 24 29 0d 05  |.equs(string$)..|
00000730  64 0f 24 50 25 3d 73 74  72 69 6e 67 24 0d 05 6e  |d.$P%=string$..n|
00000740  14 50 25 3d 50 25 2b a9  28 73 74 72 69 6e 67 24  |.P%=P%+.(string$|
00000750  29 0d 05 78 09 3d 70 61  73 73 0d ff              |)..x.=pass..|
0000075c
27_11_87/OSBYTE.m0
27_11_87/OSBYTE.m1
27_11_87/OSBYTE.m2
27_11_87/OSBYTE.m4
27_11_87/OSBYTE.m5