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Z280 UART in all interrupt modes

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By using polling mode, the Z280 UART can be utilized in interrupts modes 0/1/2.
This commit is contained in:
Wayne Warthen
2021-01-28 10:39:57 -08:00
parent 2d12da4903
commit fe14a4b2a8
17 changed files with 30 additions and 32 deletions
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1
Source/HBIOS/Config/RCZ280_ext.asm
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@@ -36,6 +36,7 @@ Z280_MEMWAIT .SET 0 ; Z280: MEMORY WAIT STATES (0-3)
Z280_IOWAIT .SET 1 ; Z280: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
Z280_INTWAIT .SET 0 ; Z280: INT ACK WAIT STATUS (0-3)
;
Z2UENABLE .SET TRUE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
UARTENABLE .SET TRUE ; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
ACIAENABLE .SET TRUE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
SIOENABLE .SET TRUE ; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)

2
Source/HBIOS/Config/RCZ280_nat.asm
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@@ -38,7 +38,7 @@ Z280_MEMWAIT .SET 0 ; Z280: MEMORY WAIT STATES (0-3)
Z280_IOWAIT .SET 1 ; Z280: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
Z280_INTWAIT .SET 0 ; Z280: INT ACK WAIT STATUS (0-3)
;
Z2UENABLE .SET TRUE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .SET TRUE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
UARTENABLE .SET TRUE ; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
ACIAENABLE .SET FALSE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
SIOENABLE .SET TRUE ; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)

2
Source/HBIOS/cfg_dyno.asm
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@@ -85,7 +85,7 @@ ASCISWAP .EQU FALSE ; ASCI: SWAP CHANNELS
ASCI0CFG .EQU DEFSERCFG ; ASCI 0: SERIAL LINE CONFIG
ASCI1CFG .EQU DEFSERCFG ; ASCI 1: SERIAL LINE CONFIG
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
;
ACIAENABLE .EQU FALSE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
;

2
Source/HBIOS/cfg_ezz80.asm
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@@ -99,7 +99,7 @@ UARTRC .EQU TRUE ; UART: AUTO-DETECT RC UART
;
ASCIENABLE .EQU FALSE ; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
;
ACIAENABLE .EQU FALSE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
;

2
Source/HBIOS/cfg_master.asm
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@@ -129,7 +129,7 @@ ASCISWAP .EQU FALSE ; ASCI: SWAP CHANNELS
ASCI0CFG .EQU DEFSERCFG ; ASCI 0: SERIAL LINE CONFIG
ASCI1CFG .EQU DEFSERCFG ; ASCI 1: SERIAL LINE CONFIG
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
Z2U0BASE .EQU $10 ; Z2U 0: BASE I/O ADDRESS
Z2U0CFG .EQU DEFSERCFG ; Z2U 0: SERIAL LINE CONFIG
;

2
Source/HBIOS/cfg_mk4.asm
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@@ -100,7 +100,7 @@ ASCISWAP .EQU FALSE ; ASCI: SWAP CHANNELS
ASCI0CFG .EQU DEFSERCFG ; ASCI 0: SERIAL LINE CONFIG
ASCI1CFG .EQU DEFSERCFG ; ASCI 1: SERIAL LINE CONFIG
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
;
ACIAENABLE .EQU FALSE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
;

2
Source/HBIOS/cfg_n8.asm
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@@ -103,7 +103,7 @@ ASCISWAP .EQU FALSE ; ASCI: SWAP CHANNELS
ASCI0CFG .EQU DEFSERCFG ; ASCI 0: SERIAL LINE CONFIG
ASCI1CFG .EQU DEFSERCFG ; ASCI 1: SERIAL LINE CONFIG
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
;
ACIAENABLE .EQU FALSE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
;

2
Source/HBIOS/cfg_rcz180.asm
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@@ -102,7 +102,7 @@ ASCISWAP .EQU FALSE ; ASCI: SWAP CHANNELS
ASCI0CFG .EQU DEFSERCFG ; ASCI 0: SERIAL LINE CONFIG
ASCI1CFG .EQU DEFSERCFG ; ASCI 1: SERIAL LINE CONFIG
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
;
ACIAENABLE .EQU FALSE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
;

2
Source/HBIOS/cfg_rcz280.asm
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@@ -102,7 +102,7 @@ UARTRC .EQU TRUE ; UART: AUTO-DETECT RC UART
;
ASCIENABLE .EQU FALSE ; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
Z2U0BASE .EQU $10 ; Z2U 0: BASE I/O ADDRESS
Z2U0CFG .EQU DEFSERCFG ; Z2U 0: SERIAL LINE CONFIG
;

2
Source/HBIOS/cfg_rcz80.asm
View File

@@ -98,7 +98,7 @@ UARTRC .EQU TRUE ; UART: AUTO-DETECT RC UART
;
ASCIENABLE .EQU FALSE ; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
;
ACIAENABLE .EQU TRUE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
ACIADEBUG .EQU FALSE ; ACIA: ENABLE DEBUG OUTPUT

2
Source/HBIOS/cfg_sbc.asm
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@@ -94,7 +94,7 @@ UARTRC .EQU FALSE ; UART: AUTO-DETECT RC UART
;
ASCIENABLE .EQU FALSE ; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
;
ACIAENABLE .EQU FALSE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
;

2
Source/HBIOS/cfg_scz180.asm
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@@ -97,7 +97,7 @@ ASCISWAP .EQU FALSE ; ASCI: SWAP CHANNELS
ASCI0CFG .EQU DEFSERCFG ; ASCI 0: SERIAL LINE CONFIG
ASCI1CFG .EQU DEFSERCFG ; ASCI 1: SERIAL LINE CONFIG
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
;
ACIAENABLE .EQU FALSE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
;

2
Source/HBIOS/cfg_zeta.asm
View File

@@ -82,7 +82,7 @@ UARTRC .EQU FALSE ; UART: AUTO-DETECT RC UART
;
ASCIENABLE .EQU FALSE ; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
;
ACIAENABLE .EQU FALSE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
;

2
Source/HBIOS/cfg_zeta2.asm
View File

@@ -93,7 +93,7 @@ UARTRC .EQU FALSE ; UART: AUTO-DETECT RC UART
;
ASCIENABLE .EQU FALSE ; ASCI: ENABLE Z180 ASCI SERIAL DRIVER (ASCI.ASM)
;
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERICAL DRIVER (Z2U.ASM)
Z2UENABLE .EQU FALSE ; Z2U: ENABLE Z280 UART SERIAL DRIVER (Z2U.ASM)
;
ACIAENABLE .EQU FALSE ; ACIA: ENABLE MOTOROLA 6850 ACIA DRIVER (ACIA.ASM)
;

31
Source/HBIOS/z2u.asm
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@@ -48,16 +48,13 @@
; | +-------------- IE: RECEIVER INT ENBABLE
; +---------------- EN: RECEIVER ENABLE
;
; THE Z280 UART USES MODE 3 INTERRUPT PROCESSING REGARDLESS OF THE INT
; MODE SETTING. SINCE MODE 3 REQUIRES A LARGE INTERRUPT VECTOR TABLE
; AND THAT TABLE MUST BE ACCESSIBLE WITHOUT USING EXTERNAL BANK
; SWITCHING, IT IS IMPRACTICAL TO SUPPORT THIS UART UNLESS NATIVE
; Z280 MEMORY MANAGEMENT IS IN USE.
;
#IF (MEMMGR != MM_Z280)
.ECHO "*** ERROR: Z280 UART REQUIRES NATIVE MEMORY MANAGER!!!\n"
!!! ; FORCE AN ASSEMBLY ERROR
#ENDIF
; INTERRUPT DRIVEN PROCESSING IS ONLY USED WHEN THE SYSTEM IS IN
; INTERRUPT MODE 3. THIS IS BECAUSE THE BUILT-IN UART *ALWAYS* USES
; MODE 3 PROCESSING. SINCE MODE 3 PROCESSING REQUIRES THE MODE 3
; INTERRUPT VECTOR TABLE WHICH IS LARGE AND WON'T FIT WELL IN HIGH
; RAM, IT IS IMPRACTICAL TO IMPLEMENT ANY INTERRUPT DRIVEN PROCESSING
; UNLESS FULL BLOWN INTERRUPT MODE 3 W/ NATIVE MEMORY MANAGEMENT
; IS BEING USED.
;
Z2U_BUFSZ .EQU 32 ; RECEIVE RING BUFFER SIZE
;
@@ -97,7 +94,7 @@ Z2U_PREINIT2:
ADD IY,DE ; BUMP IY TO NEXT ENTRY
DJNZ Z2U_PREINIT0 ; LOOP UNTIL DONE
;
#IF (INTMODE > 0)
#IF (INTMODE == 3)
; SETUP INT VECTORS AS APPROPRIATE
LD A,(Z2U_DEV) ; GET DEVICE COUNT
OR A ; SET FLAGS
@@ -158,7 +155,7 @@ Z2U_INIT1:
;
; RECEIVE INTERRUPT HANDLER
;
#IF (INTMODE > 0)
#IF (INTMODE == 3)
;
; INT ENTRY POINT
;
@@ -256,7 +253,7 @@ Z2U_FNTBL:
.ECHO "*** INVALID Z2U FUNCTION TABLE ***\n"
#ENDIF
;
#IF (INTMODE == 0)
#IF (INTMODE < 3)
;
Z2U_IN:
CALL Z2U_IST ; CHECK FOR CHAR READY
@@ -348,7 +345,7 @@ Z2U_OUT:
;
;
;
#IF (INTMODE == 0)
#IF (INTMODE < 3)
;
Z2U_IST:
;
@@ -431,7 +428,7 @@ Z2U_INITDEVX:
OUT (Z280_UARTCFG),A ; SET CONFIG REGISTER
LD A,%10000000 ; ENABLE, NO INTS, 1 STOP BITS
OUT (Z280_UARTXCTL),A ; SET CONFIG REGISTER
#IF (INTMODE > 0)
#IF (INTMODE == 3)
LD A,%11000000 ; ENABLE W/ INTS
#ELSE
LD A,%10000000 ; ENABLE, NO INTS
@@ -443,7 +440,7 @@ Z2U_INITDEVX:
LD C,Z280_IOPR ; REG C POINTS TO I/O PAGE REGISTER
.DB $ED,$6E ; LDCTL (C),HL
;
#IF (INTMODE > 0)
#IF (INTMODE == 3)
;
; RESET THE RECEIVE BUFFER
LD E,(IY+6)
@@ -525,7 +522,7 @@ Z2U_PRTCFG:
;
Z2U_DEV .DB 0 ; DEVICE NUM USED DURING INIT
;
#IF (INTMODE == 0)
#IF (INTMODE < 3)
;
Z2U0_RCVBUF .EQU 0
;

2
Source/ver.inc
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@@ -2,4 +2,4 @@
#DEFINE RMN 1
#DEFINE RUP 1
#DEFINE RTP 0
#DEFINE BIOSVER "3.1.1-pre.33"
#DEFINE BIOSVER "3.1.1-pre.34"

2
Source/ver.lib
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@@ -3,5 +3,5 @@ rmn equ 1
rup equ 1
rtp equ 0
biosver macro
db "3.1.1-pre.33"
db "3.1.1-pre.34"
endm