Exos: Difference between revisions
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''ExOS'' was developed by ''J.Schemmel'' and released by the german paper magazine 64'er in the December issue of 1986. It was [[:File:64er_86_12_Exos_v3.pdf|published as a ROM patch]] which copied the original C64 Kernal to $2000 and patched it there. The reader was supposed to use a monitor to save the new ROM then. The ROM is simply burned to an 8k eprom and added to the C64 using a kernal switching board then. ''ExOS'' does not require a change on the drive ROM. | ''ExOS'' was developed by ''J.Schemmel'' and released by the german paper magazine 64'er in the December issue of 1986. It was [[:File:64er_86_12_Exos_v3.pdf|published as a ROM patch]] which copied the original C64 Kernal to $2000 and patched it there. The reader was supposed to use a monitor to save the new ROM then. The ROM is simply burned to an 8k eprom and added to the C64 using a kernal switching board then. ''ExOS'' does not require a change on the drive ROM. | ||
''REX Datentechnik'' released ''Exos v3'' as a cartridge (order number 9805). | ''REX Datentechnik'' released ''Exos v3'' as a cartridge (order number 9805). | ||
{{Infobox | |||
''V-DOS'' by ''Völkner Electronic'' (order number 9716) was created by ''J.Schemmel'' as well and is said to have similarities. | |image = [[File:Rex9805_Exos_v3_Retroport_Small.jpg|300 px|Exos V3]] | ||
|imagestyle = | |||
|headerstyle = background:#ccf; | |||
|labelstyle = background:#ddf; | |||
|datastyle = | |||
|caption = ExOS Rex Version | |||
|captionstyle = | |||
|header1 = From the manual: | |||
|label1 = | |||
|data1 = | |||
|header2 = | |||
|label2 = CTRL + K | |||
|data2 = Display drive error channel | |||
|header3 = | |||
|label3 = CTRL + O | |||
|data3 = OLD function | |||
|header4 = | |||
|label4 = CTRL + U | |||
|data4 = Enable saving RAM under Basic ROM | |||
|header5 = | |||
|label5 = CTRL + S | |||
|data5 = Transfer program into RAM floppy | |||
|header6 = | |||
|label6 = CTRL + L | |||
|data6 = Transfer program from RAM floppy | |||
|header7 = | |||
|label7 = CTRL + V | |||
|data7 = Swap program with program in RAM floppy | |||
|header8 = | |||
|label8 = CTRL + F | |||
|data8 = Increases IRQ frequency in drive | |||
|header9 = | |||
|label9 = CTRL + X | |||
|data9 = List Basic program from current position | |||
|header10 = | |||
|label10 = CTRL + Z | |||
|data10 = List Basic program 50 lines before current position | |||
|header11 = | |||
|label11 = CBM + F1 and CBM + F3 | |||
|data11 = Transfer screen RAM to RAM drive | |||
|header12 = | |||
|label12 = CBM + F5 and CBM + F7 | |||
|data12 = Transfer screen RAM from RAM drive | |||
|header13 = | |||
|label13 = CTRL + A | |||
|data13 = Disable fast loader | |||
}} | |||
''V-DOS'' by ''Völkner Electronic'' (order number 9716) was created by ''J.Schemmel'' as well and is said to have similarities. (Dump missing...) | |||
==Functionality== | ==Functionality== | ||
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== Weblinks == | == Weblinks == | ||
* | * [http://www.c64-wiki.de/index.php/EXOS ExOS at german c64-wiki] | ||
* [http://retroport.de/Rex.html ExOS at retroport.de] | |||
[[Category:ExOS]] | [[Category:ExOS]] | ||
[[Category:Cartridge_Speeder]] | [[Category:Cartridge_Speeder]] |
Revision as of 17:05, 8 May 2013
ExOS was developed by J.Schemmel and released by the german paper magazine 64'er in the December issue of 1986. It was published as a ROM patch which copied the original C64 Kernal to $2000 and patched it there. The reader was supposed to use a monitor to save the new ROM then. The ROM is simply burned to an 8k eprom and added to the C64 using a kernal switching board then. ExOS does not require a change on the drive ROM.
REX Datentechnik released Exos v3 as a cartridge (order number 9805).
V-DOS by Völkner Electronic (order number 9716) was created by J.Schemmel as well and is said to have similarities. (Dump missing...)
Functionality
- Fast serial load (can be disabled)
- LOAD"$",8 redirected to screen output on direct mode
- Start and end address output
- OLD function
- RAM floppy functions
- some extended LIST support
Notes
- v3 to v4 changes are not yet documented
- ExOS is known to be not the most reliable speeder due to the increased speeding of the stepper motor within the drive
Binaries
Kernal_ROM_all_rr.c64.org_2011-06.rar contains:
- ExOS v3 and v4 kernal.rom
- ExOS patch program
- 64er 12/1986 Exos v3 german manual as pdf