Difference between revisions of "OSBYTEs"
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* [[OSBYTE &6C|&6C 108]] Main/Shadow RAM Usage | * [[OSBYTE &6C|&6C 108]] Main/Shadow RAM Usage | ||
* [[OSBYTE &6D|&6D 109]] Make Temporary FS permanent | * [[OSBYTE &6D|&6D 109]] Make Temporary FS permanent | ||
+ | * [[OSBYTE &6E|&6E 110]] Write to ROMSTROBE | ||
* [[OSBYTE &6E|&6E 110]] Early Watford DFS - Control drive double-stepping, superceeded by *OPT40, *OPT80<ref>''The Micro User'', August 1986, p.22.</ref> | * [[OSBYTE &6E|&6E 110]] Early Watford DFS - Control drive double-stepping, superceeded by *OPT40, *OPT80<ref>''The Micro User'', August 1986, p.22.</ref> | ||
* [[OSBYTE &6F|&6F 111]] Read/Write shadow RAM switch | * [[OSBYTE &6F|&6F 111]] Read/Write shadow RAM switch | ||
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* [[OSBYTE &87|&87 135]] Character at text cursor and screen MODE | * [[OSBYTE &87|&87 135]] Character at text cursor and screen MODE | ||
* [[OSBYTE &88|&88 136]] Call user code (called by *CODE) | * [[OSBYTE &88|&88 136]] Call user code (called by *CODE) | ||
− | * [[OSBYTE &89|&89 137]] Cassette Motor Control | + | * [[OSBYTE &89|&89 137]] Cassette Motor Control (called by *MOTOR) |
* [[OSBYTE &8A|&8A 138]] Place character into buffer | * [[OSBYTE &8A|&8A 138]] Place character into buffer | ||
* [[OSBYTE &8B|&8B 139]] Set filing system options (called by *OPT) | * [[OSBYTE &8B|&8B 139]] Set filing system options (called by *OPT) | ||
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* [[OSBYTE &FA|&FA 250]] Read/Write RAM used for VDU access, Watford RAM board status | * [[OSBYTE &FA|&FA 250]] Read/Write RAM used for VDU access, Watford RAM board status | ||
* [[OSBYTE &FB|&FB 251]] Read/Write RAM used for Display hardware | * [[OSBYTE &FB|&FB 251]] Read/Write RAM used for Display hardware | ||
− | * [[OSBYTE &FC|&FC 252]] Read/Write | + | * [[OSBYTE &FC|&FC 252]] Read/Write Current language ROM Number |
* [[OSBYTE &FD|&FD 253]] Read/Write Last Reset Type | * [[OSBYTE &FD|&FD 253]] Read/Write Last Reset Type | ||
− | * [[OSBYTE &FE|&FE 254]] Read/Write | + | * [[OSBYTE &FE|&FE 254]] Read/Write Available RAM/Read/Write effect of shift/ctrl on Numeric pad |
− | * [[OSBYTE &FF|&FF 255]] Read/Write | + | * [[OSBYTE &FF|&FF 255]] Read/Write Startup options |
</table> | </table> | ||
Revision as of 02:18, 14 January 2016
OSBYTE Index
Hex Dec Function
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Hex Dec Function
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Jgharston 18:54, 11 September 2007 (BST)
- ↑ The Micro User, August 1986, p.22.