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SIO driver now CTC aware

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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
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14
Source/HBIOS/cfg_master.asm
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@@ -121,24 +121,22 @@ ACIA1CFG .EQU DEFSERCFG ; ACIA 1: SERIAL LINE CONFIG (SEE STD.ASM)
SIOENABLE .EQU FALSE ; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
SIODEBUG .EQU FALSE ; SIO: ENABLE DEBUG OUTPUT
SIOCNT .EQU 2 ; SIO: NUMBER OF CHIPS TO DETECT (1-2), 2 CHANNELS PER CHIP
SIO0MODE .EQU SIOMODE_RC ; SIO 0: CHIP TYPE: SIOMODE_[RC|SMB|ZP|EZZ80]
SIO0CTCC .EQU -1 ; SIO 0: CTC CHANNEL CLOCK SCALER, (0-3), -1 FOR NONE
SIO0MODE .EQU SIOMODE_RC ; SIO 0: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP]
SIO0BASE .EQU $80 ; SIO 0: REGISTERS BASE ADR
SIO0ACLK .EQU CPUOSC ; SIO 0A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
SIO0ADIV .EQU 1 ; SIO 0A: SERIAL CLOCK DIVIDER, RC2014/SMB=1, ZP=2/4/8/16/32/64/128/256 (X5)
SIO0ACFG .EQU DEFSERCFG ; SIO 0A: SERIAL LINE CONFIG
SIO0ACTCC .EQU -1 ; SIO 0A: CTC CHANNEL CLOCK SCALER, (0-3), -1 FOR NONE
SIO0BCLK .EQU CPUOSC ; SIO 0B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
SIO0BDIV .EQU 1 ; SIO 0B: SERIAL CLOCK DIVIDER, RC2014/SMB=1, ZP=2/4/8/16/32/64/128/256 (X5)
SIO0BCFG .EQU DEFSERCFG ; SIO 0B: SERIAL LINE CONFIG
SIO1MODE .EQU SIOMODE_RC ; SIO 1: CHIP TYPE: SIOMODE_[RC|SMB|ZP|EZZ80]
SIO1CTCC .EQU -1 ; SIO 1: CTC CHANNEL CLOCK SCALER, (0-3), -1 FOR NONE
SIO0BCTCC .EQU -1 ; SIO 0B: CTC CHANNEL CLOCK SCALER, (0-3), -1 FOR NONE
SIO1MODE .EQU SIOMODE_RC ; SIO 1: CHIP TYPE: SIOMODE_[STD|RC|SMB|ZP]
SIO1BASE .EQU $84 ; SIO 1: REGISTERS BASE ADR
SIO1ACLK .EQU CPUOSC ; SIO 1A: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
SIO1ADIV .EQU 1 ; SIO 1A: SERIAL CLOCK DIVIDER, RC2014/SMB=1, ZP=2/4/8/16/32/64/128/256 (X5)
SIO1ACFG .EQU DEFSERCFG ; SIO 1A: SERIAL LINE CONFIG
SIO1ACTCC .EQU -1 ; SIO 1A: CTC CHANNEL CLOCK SCALER, (0-3), -1 FOR NONE
SIO1BCLK .EQU CPUOSC ; SIO 1B: OSC FREQ IN HZ, ZP=2457600/4915200, RC/SMB=7372800
SIO1BDIV .EQU 1 ; SIO 1B: SERIAL CLOCK DIVIDER, RC2014/SMB=1, ZP=2/4/8/16/32/64/128/256 (X5)
SIO1BCFG .EQU DEFSERCFG ; SIO 1B: SERIAL LINE CONFIG
SIO1BCTCC .EQU -1 ; SIO 1B: CTC CHANNEL CLOCK SCALER, (0-3), -1 FOR NONE
;
XIOCFG .EQU DEFSERCFG ; XIO: SERIAL LINE CONFIG
;