the10thwiz/cc65
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Disable IRQ if opening at 115200 bps

Browse Source
This commit is contained in:
Colin Leroy-Mira
2024-02-19 18:27:34 +01:00
committed by Oliver Schmidt
parent 7a12399b39
commit 3fd78208ba
3 changed files with 18 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
doc/apple2.sgml
View File

@@ -452,10 +452,15 @@ The names in the parentheses denote the symbols to be used for static linking of
(RTS/CTS) and does interrupt driven receives. Speeds faster than 9600 baud
aren't reachable because the ROM and ProDOS IRQ handlers are too slow.
Software flow control (XON/XOFF) is not supported.
Note that because of the peculiarities of the 6551 chip transmits are not
interrupt driven, and the transceiver blocks if the receiver asserts
flow control because of a full buffer.
Note that using the driver at SER_BAUD_115200 will disable IRQs. It will be up
to the users to use the serial port, either by re-enabling IRQs themselves,
or by directly poll-reading the ACIA DATA register without the help of ser_get().
The driver defaults to slot 2. Call <tt/ser_apple2_slot()/ prior to
<tt/ser_open()/ in order to select a different slot. <tt/ser_apple2_slot()/
succeeds for all Apple&nbsp;II slots, but <tt/ser_open()/ fails with

5
doc/apple2enh.sgml
View File

@@ -453,10 +453,15 @@ The names in the parentheses denote the symbols to be used for static linking of
(RTS/CTS) and does interrupt driven receives. Speeds faster than 9600 baud
aren't reachable because the ROM and ProDOS IRQ handlers are too slow.
Software flow control (XON/XOFF) is not supported.
Note that because of the peculiarities of the 6551 chip transmits are not
interrupt driven, and the transceiver blocks if the receiver asserts
flow control because of a full buffer.
Note that using the driver at SER_BAUD_115200 will disable IRQs. It will be up
to the users to use the serial port, either by re-enabling IRQs themselves,
or by directly poll-reading the ACIA DATA register without the help of ser_get().
The driver defaults to slot 2. Call <tt/ser_apple2_slot()/ prior to
<tt/ser_open()/ in order to select a different slot. <tt/ser_apple2_slot()/
succeeds for all Apple&nbsp;II slots, but <tt/ser_open()/ fails with