SER_ERR_INIT_FAILED ; Initialization failed
SER_ERR_INV_IOCTL ; IOCTL not supported
SER_ERR_INSTALLED ; A driver is already installed
+ SER_ERR_NOT_OPEN ; Driver not open
SER_ERR_COUNT ; Special: Number of error codes
.endenum
SER_BAUD_230400 = $13
SER_BAUD_31250 = $14
SER_BAUD_62500 = $15
+SER_BAUD_56_875 = $16
; Data bit settings
SER_BITS_5 = $00
#define SER_BAUD_230400 0x13
#define SER_BAUD_31250 0x14
#define SER_BAUD_62500 0x15
+#define SER_BAUD_56_875 0x16
/* Data bit settings */
#define SER_BITS_5 0x00
#define SER_ERR_INIT_FAILED 0x08 /* Initialization failed */
#define SER_ERR_INV_IOCTL 0x09 /* IOCTL not supported */
#define SER_ERR_INSTALLED 0x0A /* A driver is already installed */
+#define SER_ERR_NOT_OPEN 0x0B /* Driver is not open */
/* Struct containing parameters for the serial port */
struct ser_params {
; Oliver Schmidt, 2013-05-31
;
- .export em_libref, joy_libref, tgi_libref
+ .export em_libref, joy_libref, tgi_libref, ser_libref
.import _exit
+ .import atari_ser_libref
em_libref := _exit
joy_libref := _exit
+ser_libref := atari_ser_libref
.ifdef __ATARIXL__
.import CIO_handler
tgi_libref := CIO_handler
+++ /dev/null
-;
-; Christian Groessler, Dec-2001
-;
-; RS232 routines using the R: device (currently tested with an 850 only)
-;
-; unsigned char __fastcall__ rs232_init (char hacked);
-; unsigned char __fastcall__ rs232_params (unsigned char params, unsigned char parity);
-; unsigned char __fastcall__ rs232_done (void);
-; unsigned char __fastcall__ rs232_get (char* B);
-; unsigned char __fastcall__ rs232_put (char B);
-; unsigned char __fastcall__ rs232_pause (void); [TODO]
-; unsigned char __fastcall__ rs232_unpause (void); [TODO]
-; unsigned char __fastcall__ rs232_status (unsigned char* status,
-; unsigned char* errors); [TODO]
-;
-
- .import findfreeiocb
- .import __do_oserror
- .import fddecusage
- .import fdtoiocb
- .import __inviocb
- .import clriocb
- .import newfd
- .import _close, pushax, popax, popa
- .importzp ptr1, tmp2, tmp3
-
- .export _rs232_init, _rs232_params, _rs232_done, _rs232_get
- .export _rs232_put, _rs232_pause, _rs232_unpause, _rs232_status
-
- .include "atari.inc"
- .include "errno.inc"
- .include "rs232.inc"
-
- .rodata
-
-rdev: .byte "R:", ATEOL, 0
-
- .bss
-
-; receive buffer
-RECVBUF_SZ = 256
-recv_buf: .res RECVBUF_SZ
-
-cm_run: .res 1 ; concurrent mode running?
-
- .data
-
-rshand: .word $ffff
-
- .code
-
-;----------------------------------------------------------------------------
-;
-; unsigned char __fastcall__ rs232_init (char hacked);
-; /* Initialize the serial port. The parameter is ignored in the Atari version.
-; * return 0/-1 for OK/Error
-; */
-;
-
-.proc _rs232_init
-
- jsr findfreeiocb
- bne init_err
- txa
- tay ; move iocb # into Y
- lda #3
- sta tmp3 ; name length + 1
- lda #<rdev
- ldx #>rdev
- jsr newfd
- tya
- bcs doopen ; C set: open needed / device not already open
-
- pha
- jsr _rs232_done ;** shut down if started @@@TODO check this out!!
- pla
-
-doopen: tax
- pha
- jsr clriocb
- pla
- tax
- lda #<rdev
- sta ICBAL,x
- lda #>rdev
- sta ICBAH,x
- lda #OPEN
- sta ICCOM,x
-
- lda #$0D ; mode in+out+concurrent
- sta ICAX1,x
- lda #0
- sta ICAX2,x
- sta ICBLL,x ; zap buf len
- sta ICBLH,x
- jsr CIOV
- bmi cioerr1
-
- lda tmp2 ; get fd
- sta rshand
- ldx #0
- stx rshand+1
- txa
- rts
-
-cioerr1:jsr fddecusage ; decrement usage counter of fd as open failed
-
-init_err:
- ldx #0
- lda #RS_ERR_INIT_FAILED
- rts
-
-.endproc ; _rs232_init
-
-
-;----------------------------------------------------------------------------
-;
-; unsigned char __fastcall__ rs232_params (unsigned char params, unsigned char parity);
-;
-; Set communication parameters.
-;
-; params contains baud rate, stop bits and word size
-; parity contains parity
-;
-; 850 manual documents restrictions on the baud rate (not > 300), when not
-; using 8 bit word size. So only 8 bit is currently tested.
-;
-
-.proc _rs232_params
-
- sta tmp2
- lda rshand
- cmp #$ff
- bne work ; work only if initialized
- lda #RS_ERR_NOT_INITIALIZED
- bne done
-work: lda rshand
- ldx #0
- jsr fdtoiocb ; get iocb index into X
- bmi inverr ; shouldn't happen
- tax
-
- ; set handshake lines
-
- lda #34 ; xio 34, set cts, dtr etc
- sta ICCOM,x
- lda #192+48+3 ; DTR on, RTS on, XMT on
- sta ICAX1,x
- lda #0
- sta ICBLL,x
- sta ICBLH,x
- sta ICBAL,x
- sta ICBAH,x
- sta ICAX2,x
- jsr CIOV
- bmi cioerr
-
- ; set baud rate, word size, stop bits and ready monitoring
-
- lda #36 ; xio 36, baud rate
- sta ICCOM,x
- jsr popa ; get parameter
- sta ICAX1,x
- ;ICAX2 = 0, monitor nothing
- jsr CIOV
- bmi cioerr
-
- ; set translation and parity
-
- lda #38 ; xio 38, translation and parity
- sta ICCOM,x
- lda tmp2
- ora #32 ; no translation
- sta ICAX1,x
- jsr CIOV
- bmi cioerr
-
- lda #0
-done: ldx #0
- rts
-
-inverr: jmp __inviocb
-
-.endproc ;_rs232_params
-
-cioerr: jmp __do_oserror
-
-
-;----------------------------------------------------------------------------
-;
-; unsigned char __fastcall__ rs232_done (void);
-; /* Close the port, deinstall the interrupt hander. You MUST call this function
-; * before terminating the program, otherwise the machine may crash later. If
-; * in doubt, install an exit handler using atexit(). The function will do
-; * nothing, if it was already called.
-; */
-;
-
-.proc _rs232_done
-
- lda rshand
- cmp #$ff
- beq done
-work: ldx rshand+1
- jsr pushax
- jsr _close
- pha
- txa
- pha
- ldx #$ff
- stx rshand
- stx rshand+1
- inx
- stx cm_run
- pla
- tax
- pla
-done: rts
-
-.endproc ;rs232_done
-
-
-;----------------------------------------------------------------------------
-;
-; unsigned char __fastcall__ rs232_get (char* B);
-; /* Get a character from the serial port. If no characters are available, the
-; * function will return RS_ERR_NO_DATA, so this is not a fatal error.
-; */
-;
-
-.proc _rs232_get
-
- ldy rshand
- cpy #$ff
- bne work ; work only if initialized
- lda #RS_ERR_NOT_INITIALIZED
- bne nierr
-
-work: sta ptr1
- stx ptr1+1 ; store pointer to received char
-
- lda rshand
- ldx #0
- jsr fdtoiocb
- tax
- lda cm_run ; concurrent mode already running?
- bne go
- jsr ena_cm ; turn on concurrent mode
-
-go: ; check whether there is any input available
-
- lda #STATIS ; status request, returns bytes pending
- sta ICCOM,x
- jsr CIOV
- bmi cioerr ; @@@ error handling
-
- lda DVSTAT+1 ; get byte count pending
- ora DVSTAT+2
- beq nix_da ; no input waiting...
-
- ; input is available: get it!
-
- lda #GETCHR ; get raw bytes
- sta ICCOM,x ; in command code
- lda #0
- sta ICBLL,x
- sta ICBLH,x
- sta ICBAL,x
- sta ICBAH,x
- jsr CIOV ; go get it
- bmi cioerr ; @@@ error handling
-
- ldx #0
- sta (ptr1,x) ; return received byte
- txa
- rts
-
-nierr: ldx #0
- rts
-
-nix_da: lda #RS_ERR_NO_DATA
- ldx #0
- rts
-
-.endproc ;_rs232_get
-
-
-;----------------------------------------------------------------------------
-;
-; unsigned char __fastcall__ rs232_put (char B);
-; /* Send a character via the serial port. There is a transmit buffer, but
-; * transmitting is not done via interrupt. The function returns
-; * RS_ERR_OVERFLOW if there is no space left in the transmit buffer.
-; */
-;
-
-.proc _rs232_put
-
- ldy rshand
- cpy #$ff
- bne work ; work only if initialized
- lda #RS_ERR_NOT_INITIALIZED
- bne nierr
-
-work: pha
- lda rshand
- ldx #0
- jsr fdtoiocb
- tax
- lda cm_run ; concurrent mode already running?
- bne go
- jsr ena_cm ; turn on concurrent mode
-
- ; @@@TODO: check output buffer overflow
-go: lda #PUTCHR ; put raw bytes
- sta ICCOM,x ; in command code
- lda #0
- sta ICBLL,x
- sta ICBLH,x
- sta ICBAL,x
- sta ICBAH,x
- pla ; get the char back
- jsr CIOV ; go do it
- rts
-
-nierr: ldx #0
- rts
-
-.endproc ;_rs232_put
-
-;----------------------------------------------------------------------------
-;
-; unsigned char __fastcall__ rs232_pause (void);
-; /* Assert flow control and disable interrupts. */
-;
-
-_rs232_pause:
-
-
-;----------------------------------------------------------------------------
-;
-; unsigned char __fastcall__ rs232_unpause (void);
-; /* Re-enable interrupts and release flow control */
-;
-
-_rs232_unpause:
-
-
-;----------------------------------------------------------------------------
-;
-; unsigned char __fastcall__ rs232_status (unsigned char* status,
-; unsigned char* errors);
-; /* Return the serial port status. */
-;
-
-_rs232_status:
-
- lda #255
- tax
- rts
-
-
-; enable concurrent rs232 mode
-; gets iocb index in X
-; all registers destroyed
-
-.proc ena_cm
-
- lda #40 ; XIO 40, start concurrent IO
- sta ICCOM,x
- sta cm_run ; indicate concurrent mode is running
- lda #0
- sta ICAX1,x
- sta ICAX2,x
- lda #<recv_buf
- sta ICBAL,x
- lda #>recv_buf
- sta ICBAH,x
- lda #<RECVBUF_SZ
- sta ICBLL,x
- lda #>RECVBUF_SZ
- sta ICBLH,x
- lda #$0D ; value from 850 man, p62. must be 0D?,
- sta ICAX1,x ; or any non-zero?
- jmp CIOV
-
-.endproc ;ena_cm
-
- .end
--- /dev/null
+;
+; Christian Groessler, Dec-2001
+; converted to driver interface Dec-2013
+;
+; RS232 routines using the R: device (currently tested with an 850 only)
+;
+
+ .include "zeropage.inc"
+ .include "ser-kernel.inc"
+ .include "ser-error.inc"
+ .include "atari.inc"
+
+
+; ------------------------------------------------------------------------
+; Header. Includes jump table
+
+.segment "JUMPTABLE"
+
+; Driver signature
+
+ .byte $73, $65, $72 ; "ser"
+ .byte SER_API_VERSION ; Serial API version number
+
+; Library reference
+
+libref: .addr $0000
+
+; Jump table
+
+ .word SER_INSTALL
+ .word SER_UNINSTALL
+ .word SER_OPEN
+ .word SER_CLOSE
+ .word SER_GET
+ .word SER_PUT
+ .word SER_STATUS
+ .word SER_IOCTL
+ .word SER_IRQ
+
+
+ .rodata
+
+rdev: .byte "R:", ATEOL, 0
+bauds: .byte 1 ; SER_BAUD_45_5
+ .byte 2 ; SER_BAUD_50
+ .byte 4 ; SER_BAUD_75
+ .byte 5 ; SER_BAUD_110
+ .byte 6 ; SER_BAUD_134_5
+ .byte 7 ; SER_BAUD_150
+ .byte 8 ; SER_BAUD_300
+ .byte 9 ; SER_BAUD_600
+ .byte 10 ; SER_BAUD_1200
+ .byte 11 ; SER_BAUD_1800
+ .byte 12 ; SER_BAUD_2400
+ .byte 0 ; SER_BAUD_3600
+ .byte 13 ; SER_BAUD_4800
+ .byte 0 ; SER_BAUD_7200
+ .byte 14 ; SER_BAUD_9600
+ .byte 0 ; SER_BAUD_19200
+ .byte 0 ; SER_BAUD_38400
+ .byte 0 ; SER_BAUD_57600
+ .byte 0 ; SER_BAUD_115200
+ .byte 0 ; SER_BAUD_230400
+ .byte 0 ; SER_BAUD_31250
+ .byte 0 ; SER_BAUD_62500
+ .byte 3 ; SER_BAUD_56_875
+num_bauds = * - bauds
+databits:
+ .byte 48 ; SER_BITS_5
+ .byte 32 ; SER_BITS_6
+ .byte 16 ; SER_BITS_7
+ .byte 0 ; SER_BITS_8
+num_databits = * - databits
+parities:
+ .byte 0 ; SER_PAR_NONE
+ .byte 4+1 ; SER_PAR_ODD
+ .byte 2+8 ; SER_PAR_EVEN
+ ;.byte 0 ; SER_PAR_MARK
+ ;.byte 0 ; SER_PAR_SPACE
+num_parities = * - parities
+
+ .bss
+
+; receive buffer
+RECVBUF_SZ = 256
+recv_buf: .res RECVBUF_SZ
+
+cm_run: .res 1 ; concurrent mode running?
+
+ .data
+
+rshand: .word $ffff
+
+; jump table into main program, initialized from libref
+my_newfd:
+ .byte $4C
+ .word 0
+my__close:
+ .byte $4C
+ .word 0
+my_pushax:
+ .byte $4C
+ .word 0
+my_popax:
+ .byte $4C
+ .word 0
+my_findfreeiocb:
+ .byte $4C
+ .word 0
+my___do_oserror:
+ .byte $4C
+ .word 0
+my_fddecusage:
+ .byte $4C
+ .word 0
+my_fdtoiocb:
+ .byte $4C
+ .word 0
+my___inviocb:
+ .byte $4C
+ .word 0
+my_clriocb:
+ .byte $4C
+ .word 0
+my_CIOV:
+ .byte $4C
+ .word 0
+
+ .code
+
+invbaud:
+ lda #<SER_ERR_BAUD_UNAVAIL
+ ldx #>SER_ERR_BAUD_UNAVAIL
+openerr:
+ rts
+
+
+;----------------------------------------------------------------------------
+; SER_OPEN: A pointer to a ser_params structure is passed in ptr1.
+; Must return an SER_ERR_xx code in a/x.
+
+SER_OPEN:
+ jsr do_open
+ bne openerr
+
+; set line parameters
+ lda rshand
+ ldx #0
+ jsr my_fdtoiocb ; get iocb index into X
+ bmi openerr ; shouldn't happen
+ tax
+
+ ; set baud rate, word size, stop bits and ready monitoring
+
+ ; build ICAX1 value
+ ldy #SER_PARAMS::BAUDRATE
+ lda (ptr1),y
+ cmp #num_bauds
+ bcs invbaud
+
+ tay
+ lda bauds,y
+ beq invbaud
+ sta ICAX1,x
+
+ ldy #SER_PARAMS::DATABITS
+ lda (ptr1),y
+ cmp #num_databits
+ bcs init_err
+
+ tay
+ lda databits,y
+ ora ICAX1,x
+ sta ICAX1,x
+
+ ldy #SER_PARAMS::STOPBITS
+ lda (ptr1),y
+ clc
+ ror a
+ ror a
+ ora ICAX1,x
+ sta ICAX1,x
+
+ lda #36 ; xio 36, baud rate
+ sta ICCOM,x
+ lda #0
+ ;ICAX2 = 0, monitor nothing
+ sta ICAX2,x
+ sta ICBLL,x
+ sta ICBLH,x
+ sta ICBAL,x
+ sta ICBAH,x
+ jsr my_CIOV
+ bmi cioerr
+
+ ; check if the handshake setting is valid
+ ldy #SER_PARAMS::HANDSHAKE
+ lda (ptr1),y
+ cmp #SER_HS_HW ; this is all we support
+ bne init_err
+
+ ; set handshake lines
+ lda #34 ; xio 34, set cts, dtr etc
+ sta ICCOM,x
+ lda #192+48+3 ; DTR on, RTS on, XMT on
+ sta ICAX1,x
+ jsr my_CIOV
+ bmi cioerr
+
+ ; set translation and parity
+ ldy #SER_PARAMS::PARITY
+ lda (ptr1),y
+ cmp #num_parities
+ bcs init_err
+
+ tay
+ lda parities,y
+ ora #32 ; no translation
+ sta ICAX1,x
+
+ lda #38 ; xio 38, translation and parity
+ sta ICCOM,x
+ jsr my_CIOV
+ bmi cioerr
+
+ lda #<SER_ERR_OK
+ tax ; A is zero
+ rts
+
+inverr: jmp my___inviocb
+
+cioerr:
+ ; @@@ need to close IOCB here
+ jsr my_fddecusage ; decrement usage counter of fd as open failed
+
+init_err:
+ ldx #0
+ lda #SER_ERR_INIT_FAILED
+ rts
+
+;---- open the device
+
+do_open:
+ jsr my_findfreeiocb
+ bne init_err
+ txa
+ tay ; move iocb # into Y
+ lda #3
+ sta tmp3 ; name length + 1
+ lda #<rdev
+ ldx #>rdev
+ jsr my_newfd
+ tya
+ bcs @doopen ; C set: open needed / device not already open
+
+ pha
+ jsr SER_CLOSE ;** shut down if started @@@TODO check this out!!
+ pla
+
+@doopen:tax
+ pha
+ jsr my_clriocb
+ pla
+ tax
+ lda #<rdev
+ sta ICBAL,x
+ lda #>rdev
+ sta ICBAH,x
+ lda #OPEN
+ sta ICCOM,x
+
+ lda #$0D ; mode in+out+concurrent
+ sta ICAX1,x
+ lda #0
+ sta ICAX2,x
+ sta ICBLL,x ; zap buf len
+ sta ICBLH,x
+ jsr my_CIOV
+ bmi cioerr
+
+ lda tmp2 ; get fd (from newfd)
+ sta rshand
+ ldx #0
+ stx rshand+1
+ txa
+ rts
+
+;----------------------------------------------------------------------------
+; CLOSE: Close the port, disable interrupts and flush the buffer. Called
+; without parameters. Must return an error code in a/x.
+;
+;----------------------------------------------------------------------------
+; SER_UNINSTALL routine. Is called before the driver is removed from memory.
+; Must return an SER_ERR_xx code in a/x.
+;
+
+SER_UNINSTALL:
+SER_CLOSE:
+ lda rshand
+ cmp #$ff
+ beq @done
+
+ ldx rshand+1
+ jsr my__close
+ ldx #$ff
+ stx rshand
+ stx rshand+1
+ inx
+ stx cm_run
+@done: lda #<SER_ERR_OK
+ ldx #>SER_ERR_OK
+ rts
+
+;----------------------------------------------------------------------------
+; SER_GET: Will fetch a character from the receive buffer and store it into the
+; variable pointer to by ptr1. If no data is available, SER_ERR_NO_DATA is
+; return.
+;
+
+SER_GET:
+ ldy rshand
+ cpy #$ff
+ beq ni_err ; work only if initialized
+
+ lda rshand
+ ldx #0
+ jsr my_fdtoiocb
+ tax
+ lda cm_run ; concurrent mode already running?
+ bne @go
+ jsr ena_cm ; turn on concurrent mode
+
+@go: ; check whether there is any input available
+
+ lda #STATIS ; status request, returns bytes pending
+ sta ICCOM,x
+ jsr my_CIOV
+ bmi ser_error
+
+ lda DVSTAT+1 ; get byte count pending
+ ora DVSTAT+2
+ beq @nix_da ; no input waiting...
+
+ ; input is available: get it!
+
+ lda #GETCHR ; get raw bytes
+ sta ICCOM,x ; in command code
+ lda #0
+ sta ICBLL,x
+ sta ICBLH,x
+ sta ICBAL,x
+ sta ICBAH,x
+ jsr my_CIOV ; go get it
+ bmi ser_error
+
+ ldx #0
+ sta (ptr1,x) ; return received byte
+ txa
+ rts
+
+@nix_da:lda #SER_ERR_NO_DATA
+ ldx #0
+ rts
+
+ser_error:
+ lda #SER_ERR_OVERFLOW ; there is no large selection of serial error codes... :-/
+ ldx #0
+ rts
+
+ni_err: lda #SER_ERR_NOT_OPEN
+ ldx #0
+ rts
+
+;----------------------------------------------------------------------------
+; SER_PUT: Output character in A.
+; Must return an error code in a/x.
+;
+
+SER_PUT:
+ ldy rshand
+ cpy #$ff
+ beq ni_err ; work only if initialized
+
+ pha ; remember char to write
+ lda rshand
+ ldx #0
+ jsr my_fdtoiocb
+ tax
+
+ lda cm_run ; concurrent mode already running?
+ bne @go
+ jsr ena_cm ; turn on concurrent mode
+
+ ; @@@TODO: check output buffer overflow
+@go: lda #PUTCHR ; put raw bytes
+ sta ICCOM,x ; in command code
+ lda #0
+ sta ICBLL,x
+ sta ICBLH,x
+ sta ICBAL,x
+ sta ICBAH,x
+ pla ; get the char back
+ jsr my_CIOV ; go do it
+ bmi ser_error
+ lda #0
+ tax
+ rts
+
+;----------------------------------------------------------------------------
+; SER_STATUS: Return the status in the variable pointed to by ptr1.
+; Must return an error code in a/x.
+;
+
+SER_STATUS:
+ ; fall through to SER_IOCTL
+
+;----------------------------------------------------------------------------
+; SER_IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
+; specific data in ptr1, and the ioctl code in A.
+; Must return an error code in a/x.
+;
+
+SER_IOCTL:
+ lda #<SER_ERR_INV_IOCTL ; We don't support ioclts for now
+ ldx #>SER_ERR_INV_IOCTL
+ rts
+
+;----------------------------------------------------------------------------
+; SER_IRQ: Not used on the Atari
+;
+
+SER_IRQ = $0000
+
+;----------------------------------------------------------------------------
+; SER_INSTALL routine. Is called after the driver is loaded into memory. If
+; possible, check if the hardware is present.
+; Must return an SER_ERR_xx code in a/x.
+
+SER_INSTALL:
+ ; check if R: device is installed
+ ldy #0
+search: lda HATABS,y ; get device name
+ cmp #'R'
+ beq found
+ iny
+ iny
+ iny
+ cpy #MAXDEV
+ bcc search
+
+; R: device not found, return error
+
+ lda #<SER_ERR_NO_DEVICE
+ ldx #0
+ rts
+
+; R: device found, initialize jump table into main program
+
+found: lda ptr3
+ pha
+ lda ptr3+1
+ pha
+ lda libref
+ sta ptr3
+ lda libref+1
+ sta ptr3+1
+
+ ldy #0
+ lda (ptr3),y
+ sta my_newfd+1
+ iny
+ lda (ptr3),y
+ sta my_newfd+2
+ iny
+
+ lda (ptr3),y
+ sta my__close+1
+ iny
+ lda (ptr3),y
+ sta my__close+2
+ iny
+
+ lda (ptr3),y
+ sta my_pushax+1
+ iny
+ lda (ptr3),y
+ sta my_pushax+2
+ iny
+
+ lda (ptr3),y
+ sta my_popax+1
+ iny
+ lda (ptr3),y
+ sta my_popax+2
+ iny
+
+ lda (ptr3),y
+ sta my_findfreeiocb+1
+ iny
+ lda (ptr3),y
+ sta my_findfreeiocb+2
+ iny
+
+ lda (ptr3),y
+ sta my___do_oserror+1
+ iny
+ lda (ptr3),y
+ sta my___do_oserror+2
+ iny
+
+ lda (ptr3),y
+ sta my_fddecusage+1
+ iny
+ lda (ptr3),y
+ sta my_fddecusage+2
+ iny
+
+ lda (ptr3),y
+ sta my_fdtoiocb+1
+ iny
+ lda (ptr3),y
+ sta my_fdtoiocb+2
+ iny
+
+ lda (ptr3),y
+ sta my___inviocb+1
+ iny
+ lda (ptr3),y
+ sta my___inviocb+2
+ iny
+
+ lda (ptr3),y
+ sta my_clriocb+1
+ iny
+ lda (ptr3),y
+ sta my_clriocb+2
+ iny
+
+ lda (ptr3),y
+ sta my_CIOV+1
+ iny
+ lda (ptr3),y
+ sta my_CIOV+2
+ ;iny
+
+ pla
+ sta ptr3+1
+ pla
+ sta ptr3
+
+ lda #<SER_ERR_OK
+ tax ; A is zero
+ rts
+
+
+; enable concurrent rs232 mode
+; gets iocb index in X
+; all registers destroyed
+
+.proc ena_cm
+
+ lda #40 ; XIO 40, start concurrent IO
+ sta ICCOM,x
+ sta cm_run ; indicate concurrent mode is running
+ lda #$0D ; value from 850 manual, p62. must be $0D?,
+ sta ICAX1,x ; or any non-zero?
+ lda #0
+ sta ICAX2,x
+ lda #<recv_buf
+ sta ICBAL,x
+ lda #>recv_buf
+ sta ICBAH,x
+ lda #<RECVBUF_SZ
+ sta ICBLL,x
+ lda #>RECVBUF_SZ
+ sta ICBLH,x
+ jmp my_CIOV
+
+.endproc ;ena_cm
--- /dev/null
+
+ .include "atari.inc"
+
+ .import _close, pushax, popax
+ .import findfreeiocb
+ .import __do_oserror
+ .import fddecusage
+ .import fdtoiocb
+ .import __inviocb
+ .import clriocb
+ .import newfd
+
+ .export atari_ser_libref
+
+.rodata
+
+atari_ser_libref:
+ .word newfd
+ .word _close
+ .word pushax
+ .word popax
+ .word findfreeiocb
+ .word __do_oserror
+ .word fddecusage
+ .word fdtoiocb
+ .word __inviocb
+ .word clriocb
+ .word CIOV
#define DRIVERNAME "a2e.ssc.ser"
#elif defined(__APPLE2__)
#define DRIVERNAME "a2.ssc.ser"
+#elif defined(__ATARIXL__)
+#define DRIVERNAME "atrxrdev.ser"
+#elif defined(__ATARI__)
+#define DRIVERNAME "atrrdev.ser"
#else
#define DRIVERNAME "unknown"
#error "Unknown target system"
static const struct ser_params Params = {
- SER_BAUD_19200, /* Baudrate */
+ SER_BAUD_9600, /* Baudrate */
SER_BITS_8, /* Number of data bits */
SER_STOP_1, /* Number of stop bits */
SER_PAR_NONE, /* Parity setting */
projects / cc65 / commitdiff