MirrorRepos/RomWBW
1
0
Fork 1
mirror of https://github.com/wwarthen/RomWBW.git synced 2026-02-06 22:33:12 -06:00
Code Issues Projects Releases Wiki Activity

SIO driver now CTC aware

Browse Source 
The SIO driver can now use a CTC (if available) to provide much more flexible baud rate programming.
This commit is contained in:
Wayne Warthen
2020-04-17 11:25:28 -07:00
parent 257f784318
commit 8ad2bdbb29
21 changed files with 291 additions and 186 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
Source/HBIOS/Config/RCZ80_kio.asm
View File

@@ -39,8 +39,9 @@ ACIAENABLE .SET FALSE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
;
SIOENABLE .SET TRUE ; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
SIOCNT .SET 1 ; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
SIO0MODE .SET SIOMODE_EZZ80 ; SIO 0: CHIP TYPE: SIOMODE_[RC|SMB|ZP|EZZ80]
SIO0MODE .SET SIOMODE_STD ; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP]
SIO0BASE .SET KIOBASE+$08 ; SIO 0: REGISTERS BASE ADR
SIO0CTCC .SET 0 ; SIO 0: CTC CHANNEL CLOCK SCALER, (0-3), -1 FOR NONE
SIO0ACLK .SET 1843200 ; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
SIO0ACTCC .SET 0 ; SIO 0A: CTC CHANNEL CLOCK SCALER, (0-3), -1 FOR NONE
SIO0BCLK .SET 1843200 ; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
SIO0BCTCC .SET 1 ; SIO 0A: CTC CHANNEL CLOCK SCALER, (0-3), -1 FOR NONE