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1,535 Commits 2 Branches 380 Tags
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9 Commits

Author SHA1 Message Date
Wayne Warthen
6a46f8b74c Z280 UART Flow Control 
- Implement RTS flow control on Z280 UART using C/T 2 output pin.  Must be supported on PCB and wired properly at serial adapter.
 2021-02-21 13:18:57 -08:00
Wayne Warthen
c9a62b6b08 Fix Unix Build 2021-02-19 18:56:13 -08:00
Wayne Warthen
9da58082a7 Z280 Cleanup 2021-02-19 15:47:33 -08:00
Wayne Warthen
0d6c792282 Z280 Tweaks 
- Interrupt routines that change the Z280 I/O page register now save and restore the original value.
 2021-02-13 17:14:59 -08:00
Wayne Warthen
7956074746 Miscellaneous 
- Fix minor ACIA bug that only occurs if setting a non-standard baud rate.
- Enhance Z280 UART driver to use C/T for more baud rates and to use Z280 opcodes to speed up interrupt handler a bit.
 2021-02-04 13:35:21 -08:00
Wayne Warthen
4cc21948bc Z280 Optimizations 
- New Z280 bank selection routine that does not require gigantic table and is about as fast.
- Bump Z280 UART driver to 128 byte buffer.
- Truncate unused portion of Z280 IVT at end.
 2021-02-02 16:52:25 -08:00
Wayne Warthen
8945580ff5 Z280 Cleanup 
- Z280 UART MODE command support
- BNKCALL handles calls into HBIOS using system mode
 2021-01-30 16:17:34 -08:00
Wayne Warthen
fe14a4b2a8 Z280 UART in all interrupt modes 
By using polling mode, the Z280 UART can be utilized in interrupts modes 0/1/2.
 2021-01-28 10:39:57 -08:00
Wayne Warthen
2d12da4903 Z280 Internal UART Support 
Z280 UART can only be used w/ native memory & interrupt mode 3.
 2021-01-27 19:33:37 -08:00