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add serial driver for Atari, still contains much debug code
This commit is contained in:
Christian Groessler
parent
9124d0f051
commit
074136826a
@ -2,11 +2,13 @@
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; Oliver Schmidt, 2013-05-31
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;
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.export em_libref, joy_libref, tgi_libref
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.export em_libref, joy_libref, tgi_libref, ser_libref
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.import _exit
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.import atari_ser_libref
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em_libref := _exit
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joy_libref := _exit
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ser_libref := atari_ser_libref
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.ifdef __ATARIXL__
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.import CIO_handler
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tgi_libref := CIO_handler
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980
libsrc/atari/ser/atrrdev.s
Normal file
980
libsrc/atari/ser/atrrdev.s
Normal file
@ -0,0 +1,980 @@
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;
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; Christian Groessler, Dec-2001
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; converted to driver interface Nov-2013
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;
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; RS232 routines using the R: device (currently tested with an 850 only)
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;
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.include "zeropage.inc"
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.include "ser-kernel.inc"
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.include "ser-error.inc"
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.include "atari.inc"
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.macro pushall
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php
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pha
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txa
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pha
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tya
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pha
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.endmacro
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.macro pullall
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pla
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tay
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pla
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tax
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pla
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plp
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.endmacro
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.ifdef __ATARIXL__
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.macro print_string text
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.endmacro
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.else
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.macro print_string text
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.local @start, @cont
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jmp @cont
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@start: .byte text, ATEOL
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@cont: php
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pha
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txa
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pha
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tya
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pha
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ldx #0 ; channel 0
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lda #<@start
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sta ICBAL,x ; address
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lda #>@start
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sta ICBAH,x
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lda #<(@cont - @start)
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sta ICBLL,x ; length
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lda #>(@cont - @start)
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sta ICBLH,x
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lda #PUTCHR
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sta ICCOM,x
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jsr CIOV
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pla
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tay
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pla
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tax
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pla
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plp
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.endmacro
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.endif
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; ------------------------------------------------------------------------
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; Header. Includes jump table
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.segment "JUMPTABLE"
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; Driver signature
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.byte $73, $65, $72 ; "ser"
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.byte SER_API_VERSION ; Serial API version number
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; Library reference
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libref: .addr $0000
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; Jump table
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.word SER_INSTALL
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.word SER_UNINSTALL
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.word SER_OPEN
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.word SER_CLOSE
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.word SER_GET
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.word SER_PUT
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.word SER_STATUS
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.word SER_IOCTL
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.word SER_IRQ
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.rodata
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rdev: .byte "R:", ATEOL, 0
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bauds: .byte 1 ; SER_BAUD_45_5
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.byte 2 ; SER_BAUD_50
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.byte 4 ; SER_BAUD_75
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.byte 5 ; SER_BAUD_110
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.byte 6 ; SER_BAUD_134_5
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.byte 7 ; SER_BAUD_150
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.byte 8 ; SER_BAUD_300
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.byte 9 ; SER_BAUD_600
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.byte 10 ; SER_BAUD_1200
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.byte 11 ; SER_BAUD_1800
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.byte 12 ; SER_BAUD_2400
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.byte 0 ; SER_BAUD_3600
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.byte 13 ; SER_BAUD_4800
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.byte 0 ; SER_BAUD_7200
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.byte 14 ; SER_BAUD_9600
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.byte 0 ; SER_BAUD_19200
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.byte 0 ; SER_BAUD_38400
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.byte 0 ; SER_BAUD_57600
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.byte 0 ; SER_BAUD_115200
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.byte 0 ; SER_BAUD_230400
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.byte 0 ; SER_BAUD_31250
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.byte 0 ; SER_BAUD_62500
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.byte 3 ; SER_BAUD_56_875
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num_bauds = * - bauds
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databits:
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.byte 48 ; SER_BITS_5
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.byte 32 ; SER_BITS_6
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.byte 16 ; SER_BITS_7
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.byte 0 ; SER_BITS_8
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num_databits = * - databits
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parities:
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.byte 0 ; SER_PAR_NONE
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.byte 4+1 ; SER_PAR_ODD
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.byte 2+8 ; SER_PAR_EVEN
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;.byte 0 ; SER_PAR_MARK
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;.byte 0 ; SER_PAR_SPACE
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num_parities = * - parities
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.bss
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; receive buffer
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RECVBUF_SZ = 256
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recv_buf: .res RECVBUF_SZ
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cm_run: .res 1 ; concurrent mode running?
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.data
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rshand: .word $ffff
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; jump table into main program, initialized from libref
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my_newfd:
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.byte $4C
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.word 0
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my__close:
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.byte $4C
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.word 0
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my_pushax:
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.byte $4C
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.word 0
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my_popax:
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.byte $4C
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.word 0
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my_findfreeiocb:
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.byte $4C
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.word 0
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my___do_oserror:
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.byte $4C
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.word 0
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my_fddecusage:
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.byte $4C
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.word 0
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my_fdtoiocb:
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.byte $4C
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.word 0
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my___inviocb:
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.byte $4C
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.word 0
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my_clriocb:
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.byte $4C
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.word 0
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my_CIOV:
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.byte $4C
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.word 0
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.code
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invbaud:
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lda #<SER_ERR_BAUD_UNAVAIL
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ldx #>SER_ERR_BAUD_UNAVAIL
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openerr:
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rts
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;----------------------------------------------------------------------------
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; SER_OPEN: A pointer to a ser_params structure is passed in ptr1.
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; Must return an SER_ERR_xx code in a/x.
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SER_OPEN:
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jsr do_open
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bne openerr
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; set line parameters
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lda rshand
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ldx #0
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jsr my_fdtoiocb ; get iocb index into X
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bmi openerr ; shouldn't happen
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tax
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; set baud rate, word size, stop bits and ready monitoring
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; build ICAX1 value
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jsr dump
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jsr print_open_txt
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jsr print_iocb_txt
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jsr dump_iocb_num
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jsr nl
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ldy #SER_PARAMS::BAUDRATE
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lda (ptr1),y
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cmp #num_bauds
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bcs invbaud
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tay
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lda bauds,y
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beq invbaud
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sta ICAX1,x
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ldy #SER_PARAMS::DATABITS
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lda (ptr1),y
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cmp #num_databits
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bcs init_err
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tay
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lda databits,y
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ora ICAX1,x
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sta ICAX1,x
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ldy #SER_PARAMS::STOPBITS
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lda (ptr1),y
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clc
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ror a
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ror a
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ora ICAX1,x
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sta ICAX1,x
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jsr dump_aux1
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lda #36 ; xio 36, baud rate
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sta ICCOM,x
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lda #0
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;ICAX2 = 0, monitor nothing
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sta ICAX2,x
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sta ICBLL,x
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sta ICBLH,x
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sta ICBAL,x
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sta ICBAH,x
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jsr my_CIOV
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bmi cioerr
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; check if the handshake setting is valid
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ldy #SER_PARAMS::HANDSHAKE
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lda (ptr1),y
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cmp #SER_HS_HW ; this is all we support
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bne init_err
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; set handshake lines
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lda #34 ; xio 34, set cts, dtr etc
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sta ICCOM,x
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lda #192+48+3 ; DTR on, RTS on, XMT on
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sta ICAX1,x
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jsr my_CIOV
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bmi cioerr
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; set translation and parity
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ldy #SER_PARAMS::PARITY
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lda (ptr1),y
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cmp #num_parities
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bcs init_err
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tay
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lda parities,y
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ora #32 ; no translation
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sta ICAX1,x
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jsr dump_aux1
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lda #38 ; xio 38, translation and parity
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sta ICCOM,x
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jsr my_CIOV
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bmi cioerr
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lda #<SER_ERR_OK
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tax ; A is zero
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rts
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inverr: jmp my___inviocb
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cioerr:
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; @@@ need to close IOCB here
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jsr my_fddecusage ; decrement usage counter of fd as open failed
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init_err:
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ldx #0
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lda #SER_ERR_INIT_FAILED
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rts
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;---- open the device
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do_open:
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jsr my_findfreeiocb
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bne init_err
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txa
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tay ; move iocb # into Y
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lda #3
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sta tmp3 ; name length + 1
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lda #<rdev
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ldx #>rdev
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jsr my_newfd
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tya
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bcs @doopen ; C set: open needed / device not already open
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pha
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jsr SER_CLOSE ;** shut down if started @@@TODO check this out!!
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pla
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@doopen:tax
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pha
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jsr my_clriocb
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pla
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tax
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lda #<rdev
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sta ICBAL,x
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lda #>rdev
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sta ICBAH,x
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lda #OPEN
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sta ICCOM,x
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lda #$0D ; mode in+out+concurrent
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sta ICAX1,x
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lda #0
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sta ICAX2,x
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sta ICBLL,x ; zap buf len
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sta ICBLH,x
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jsr my_CIOV
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bmi cioerr
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lda tmp2 ; get fd (from newfd)
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sta rshand
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ldx #0
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stx rshand+1
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txa
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rts
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;----------------------------------------------------------------------------
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; CLOSE: Close the port, disable interrupts and flush the buffer. Called
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; without parameters. Must return an error code in a/x.
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;
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SER_CLOSE:
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pushall
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print_string "SER_CLOSE called"
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pullall
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lda rshand
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cmp #$ff
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beq @done
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pushall
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print_string "SER_CLOSE do work"
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pullall
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ldx rshand+1
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;jsr my_pushax
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jsr my__close
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ldx #$ff
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stx rshand
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stx rshand+1
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inx
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stx cm_run
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@done: lda #<SER_ERR_OK
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ldx #>SER_ERR_OK
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pushall
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print_string "SER_CLOSE returns"
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pullall
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rts
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;----------------------------------------------------------------------------
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; SER_GET: Will fetch a character from the receive buffer and store it into the
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; variable pointer to by ptr1. If no data is available, SER_ERR_NO_DATA is
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; return.
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;
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SER_GET:
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ldy rshand
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cpy #$ff
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bne @work ; work only if initialized
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lda #SER_ERR_NOT_OPEN
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bne nierr
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@work: lda rshand
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ldx #0
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jsr my_fdtoiocb
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tax
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lda cm_run ; concurrent mode already running?
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bne @go
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jsr ena_cm ; turn on concurrent mode
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@go: ; check whether there is any input available
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lda #STATIS ; status request, returns bytes pending
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sta ICCOM,x
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jsr my_CIOV
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bmi ser_error
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lda DVSTAT+1 ; get byte count pending
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ora DVSTAT+2
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beq @nix_da ; no input waiting...
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; input is available: get it!
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lda #GETCHR ; get raw bytes
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sta ICCOM,x ; in command code
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lda #0
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sta ICBLL,x
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sta ICBLH,x
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sta ICBAL,x
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sta ICBAH,x
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jsr my_CIOV ; go get it
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bmi ser_error
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ldx #0
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sta (ptr1,x) ; return received byte
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txa
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rts
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@nix_da:lda #SER_ERR_NO_DATA
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ldx #0
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rts
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ser_error:
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lda #SER_ERR_OVERFLOW ; there is no large selection of serial error codes... :-/
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ldx #0
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rts
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nierr: ldx #0
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rts
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;----------------------------------------------------------------------------
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; SER_PUT: Output character in A.
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; Must return an error code in a/x.
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;
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SER_PUT:
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ldy rshand
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cpy #$ff
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bne @work ; work only if initialized
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lda #SER_ERR_NOT_OPEN
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bne nierr
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@work: pha ; char to write
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lda rshand
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ldx #0
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jsr my_fdtoiocb
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tax
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jsr print_put_txt
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pla
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pha
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jsr dump_hex ; dump char to write
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jsr print_iocb_txt
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jsr dump_iocb_num
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jsr nl
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lda cm_run ; concurrent mode already running?
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bne @go
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jsr ena_cm ; turn on concurrent mode
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; @@@TODO: check output buffer overflow
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@go: lda #PUTCHR ; put raw bytes
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sta ICCOM,x ; in command code
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lda #0
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sta ICBLL,x
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sta ICBLH,x
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sta ICBAL,x
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sta ICBAH,x
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pla ; get the char back
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jsr my_CIOV ; go do it
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bmi ser_error
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lda #0
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tax
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rts
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;----------------------------------------------------------------------------
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; SER_STATUS: Return the status in the variable pointed to by ptr1.
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; Must return an error code in a/x.
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;
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SER_STATUS:
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; fall through to SER_IOCTL
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;----------------------------------------------------------------------------
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; SER_IOCTL: Driver defined entry point. The wrapper will pass a pointer to ioctl
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; specific data in ptr1, and the ioctl code in A.
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; Must return an error code in a/x.
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;
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SER_IOCTL:
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lda #<SER_ERR_INV_IOCTL ; We don't support ioclts for now
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ldx #>SER_ERR_INV_IOCTL
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rts
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;----------------------------------------------------------------------------
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; SER_IRQ: Not used on the Atari
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;
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SER_IRQ = $0000
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;----------------------------------------------------------------------------
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; SER_INSTALL routine. Is called after the driver is loaded into memory. If
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; possible, check if the hardware is present.
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; Must return an SER_ERR_xx code in a/x.
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SER_INSTALL:
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;print_string "SER_INSTALL with error"
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;brk
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;lda #42
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;ldx #0
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;rts
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; check if R: device is installed
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ldy #0
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search: lda HATABS,y ; get device name
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cmp #'R'
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beq found
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iny
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iny
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iny
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cpy #MAXDEV
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bcc search
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; R: device not found, return error
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lda #<SER_ERR_NO_DEVICE
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ldx #0
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rts
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; R: device found, initialize jump table into main program
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found: lda ptr3
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pha
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lda ptr3+1
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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
|
||||
|
||||
;----------------------------------------------------------------------------
|
||||
; SER_UNINSTALL routine. Is called before the driver is removed from memory.
|
||||
; Must return an SER_ERR_xx code in a/x.
|
||||
|
||||
SER_UNINSTALL:
|
||||
pushall
|
||||
print_string "SER_UNINSTALL called"
|
||||
pullall
|
||||
jmp SER_CLOSE
|
||||
|
||||
|
||||
.macro print_string2 addr, len
|
||||
ldx #0 ; channel 0
|
||||
lda #<addr
|
||||
sta ICBAL,x ; address
|
||||
lda #>addr
|
||||
sta ICBAH,x
|
||||
lda #<len
|
||||
sta ICBLL,x ; length
|
||||
lda #>len
|
||||
sta ICBLH,x
|
||||
lda #PUTCHR
|
||||
sta ICCOM,x
|
||||
jsr CIOV
|
||||
.endmacro
|
||||
|
||||
.macro push_ptr1
|
||||
lda ptr1+1
|
||||
pha
|
||||
lda ptr1
|
||||
pha
|
||||
.endmacro
|
||||
|
||||
.macro pull_ptr1
|
||||
pla
|
||||
sta ptr1
|
||||
pla
|
||||
sta ptr1+1
|
||||
.endmacro
|
||||
|
||||
.macro push_ptr2und1
|
||||
lda ptr2+1
|
||||
pha
|
||||
lda ptr2
|
||||
pha
|
||||
lda ptr1+1
|
||||
pha
|
||||
sta ptr2+1
|
||||
tax
|
||||
lda ptr1
|
||||
pha
|
||||
sta ptr2
|
||||
.endmacro
|
||||
|
||||
.macro pull_ptr2und1
|
||||
pla
|
||||
sta ptr1
|
||||
pla
|
||||
sta ptr1+1
|
||||
pla
|
||||
sta ptr2
|
||||
pla
|
||||
sta ptr2+1
|
||||
.endmacro
|
||||
|
||||
|
||||
nl_txt: .byte ATEOL
|
||||
nl_txt_len = * - nl_txt
|
||||
|
||||
nl: pushall
|
||||
print_string2 nl_txt, nl_txt_len
|
||||
pullall
|
||||
rts
|
||||
|
||||
iocb_txt: .byte " IOCB number: "
|
||||
iocb_txt_len = * - iocb_txt
|
||||
|
||||
print_iocb_txt:
|
||||
pushall
|
||||
print_string2 iocb_txt, iocb_txt_len
|
||||
pullall
|
||||
rts
|
||||
|
||||
open_txt: .byte "OPEN"
|
||||
open_txt_len = * - open_txt
|
||||
|
||||
print_open_txt:
|
||||
pushall
|
||||
print_string2 open_txt, open_txt_len
|
||||
pullall
|
||||
rts
|
||||
|
||||
|
||||
put_txt: .byte "PUT "
|
||||
put_txt_len = * - put_txt
|
||||
|
||||
print_put_txt:
|
||||
pushall
|
||||
print_string2 put_txt, put_txt_len
|
||||
pullall
|
||||
rts
|
||||
|
||||
aux1_txt: .byte "AUX1: "
|
||||
aux1_txt_len = * - aux1_txt
|
||||
|
||||
dump_aux1:
|
||||
pushall
|
||||
print_string2 aux1_txt,aux1_txt_len
|
||||
tsx
|
||||
lda $103,x
|
||||
jsr dump_hex_low
|
||||
jsr nl
|
||||
pullall
|
||||
rts
|
||||
|
||||
dump_iocb_num:
|
||||
pushall
|
||||
txa
|
||||
jsr dump_hex_low
|
||||
pullall
|
||||
rts
|
||||
|
||||
dump_hex:
|
||||
pushall
|
||||
tsx
|
||||
lda $103,x
|
||||
jsr dump_hex_low
|
||||
pullall
|
||||
rts
|
||||
|
||||
|
||||
; no need to preserve regs
|
||||
dump_hex_low:
|
||||
tax
|
||||
push_ptr1
|
||||
|
||||
lda #<outbuf
|
||||
sta ptr1
|
||||
lda #>outbuf
|
||||
sta ptr1+1
|
||||
|
||||
txa
|
||||
jsr hex8
|
||||
|
||||
ldx #0 ; channel 0
|
||||
|
||||
lda #2
|
||||
sta ICBLL,x ; length
|
||||
lda #0
|
||||
sta ICBLH,x
|
||||
|
||||
lda #<outbuf
|
||||
sta ICBAL,x ; address
|
||||
lda #>outbuf
|
||||
sta ICBAH,x
|
||||
lda #PUTCHR
|
||||
sta ICCOM,x
|
||||
jsr CIOV
|
||||
|
||||
|
||||
pull_ptr1
|
||||
rts
|
||||
|
||||
|
||||
; ldy #SER_PARAMS::BAUDRATE
|
||||
; lda (ptr1),y
|
||||
|
||||
dump:
|
||||
pushall
|
||||
push_ptr2und1
|
||||
|
||||
.ifndef __ATARIXL__
|
||||
tay
|
||||
lda #<outbuf
|
||||
sta ptr1
|
||||
lda #>outbuf
|
||||
sta ptr1+1
|
||||
|
||||
; ptr1 - pointer to string buffer
|
||||
; ptr2 - pointer to rs232 params
|
||||
tya
|
||||
jsr hex16
|
||||
lda #':'
|
||||
sta (ptr1),y
|
||||
iny
|
||||
lda #' '
|
||||
sta (ptr1),y
|
||||
iny
|
||||
lda #' '
|
||||
sta (ptr1),y
|
||||
lda ptr1
|
||||
clc
|
||||
adc #3
|
||||
sta ptr1
|
||||
bcc @f
|
||||
inc ptr1+1
|
||||
@f:
|
||||
|
||||
.repeat 5
|
||||
|
||||
ldy #0
|
||||
lda (ptr2),y
|
||||
jsr hex8
|
||||
lda #' '
|
||||
sta (ptr1),y
|
||||
inc ptr1
|
||||
bne *+4
|
||||
inc ptr1+1
|
||||
inc ptr2
|
||||
bne *+4
|
||||
inc ptr2+1
|
||||
|
||||
.endrepeat
|
||||
|
||||
lda #ATEOL
|
||||
sta (ptr1),y
|
||||
inc ptr1
|
||||
bne *+4
|
||||
inc ptr1+1
|
||||
|
||||
ldx #0 ; channel 0
|
||||
|
||||
lda ptr1
|
||||
sec
|
||||
sbc #<outbuf
|
||||
sta ICBLL,x ; length
|
||||
lda ptr1+1
|
||||
sbc #>outbuf
|
||||
sta ICBLH,x
|
||||
|
||||
lda #<outbuf
|
||||
sta ICBAL,x ; address
|
||||
lda #>outbuf
|
||||
sta ICBAH,x
|
||||
lda #PUTCHR
|
||||
sta ICCOM,x
|
||||
jsr CIOV
|
||||
.endif
|
||||
|
||||
pull_ptr2und1
|
||||
pullall
|
||||
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 my_CIOV
|
||||
|
||||
.endproc ;ena_cm
|
||||
|
||||
;*****************************************************************************
|
||||
;* Unterprogramm: HEX16 *
|
||||
;* Aufgabe: 16-bit Binärzahl in String wandeln (hexadezimal) *
|
||||
;* Übergabe: ptr1 - Zeiger auf 4-byte Zielpuffer *
|
||||
;* AX - zu wandelnde Zahl (high X, low A) *
|
||||
;* Zurück: ptr1 - Zeiger hinter Hexstring *
|
||||
;* Y - 0 *
|
||||
;* Benutzt: HEX8 *
|
||||
;* *
|
||||
;* alle Register zerstört *
|
||||
;*****************************************************************************
|
||||
|
||||
hex16:
|
||||
pha
|
||||
txa
|
||||
jsr hex8
|
||||
pla
|
||||
;fall into hex8
|
||||
|
||||
|
||||
;*****************************************************************************
|
||||
;* Unterprogramm: HEX8 *
|
||||
;* Aufgabe: 8-bit Binärzahl in String wandeln (hexadezimal) *
|
||||
;* Übergabe: ptr1 - Zeiger auf 2-byte Zielpuffer *
|
||||
;* A - zu wandelnde Zahl *
|
||||
;* Zurück: ptr1 - Zeiger hinter Hexstring *
|
||||
;* Y - 0 *
|
||||
;* *
|
||||
;* alle Register zerstört *
|
||||
;*****************************************************************************
|
||||
|
||||
hex8:
|
||||
tax
|
||||
lsr a
|
||||
lsr a
|
||||
lsr a
|
||||
lsr a
|
||||
cmp #10
|
||||
bcc hex_1
|
||||
clc
|
||||
adc #'A'-10
|
||||
bne hex_2
|
||||
|
||||
hex_1: adc #'0'
|
||||
hex_2: ldy #0
|
||||
sta (ptr1),y
|
||||
inc ptr1
|
||||
bne hex_3
|
||||
inc ptr1+1
|
||||
|
||||
hex_3: txa
|
||||
and #15
|
||||
|
||||
cmp #10
|
||||
bcc hex_4
|
||||
clc
|
||||
adc #'A'-10
|
||||
bne hex_5
|
||||
hex_4: adc #'0'
|
||||
hex_5: ldy #0
|
||||
sta (ptr1),y
|
||||
inc ptr1
|
||||
bne hex_6
|
||||
inc ptr1+1
|
||||
hex_6: rts
|
||||
|
||||
.data
|
||||
|
||||
outbuf: .res 48
|
||||
28
libsrc/atari/ser_libref.s
Normal file
28
libsrc/atari/ser_libref.s
Normal file
@ -0,0 +1,28 @@
|
||||
|
||||
.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
|
||||
@ -17,14 +17,19 @@
|
||||
#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"
|
||||
#endif
|
||||
|
||||
extern unsigned int getsp(void);
|
||||
|
||||
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 */
|
||||
@ -37,6 +42,7 @@ static void CheckError (const char* Name, unsigned char Error)
|
||||
{
|
||||
if (Error != SER_ERR_OK) {
|
||||
fprintf (stderr, "%s: %d\n", Name, Error);
|
||||
cgetc();
|
||||
exit (EXIT_FAILURE);
|
||||
}
|
||||
}
|
||||
@ -46,25 +52,42 @@ int main (void)
|
||||
{
|
||||
char Res;
|
||||
char C;
|
||||
printf("SP: $%04x\n", getsp());
|
||||
printf ("A\n");
|
||||
//cgetc();
|
||||
CheckError ("ser_load_driver", ser_load_driver (DRIVERNAME));
|
||||
printf ("B\n");
|
||||
//cgetc();
|
||||
printf("params at %p\n", &Params);
|
||||
CheckError ("ser_open", ser_open (&Params));
|
||||
printf ("C\n");
|
||||
//cgetc();
|
||||
printf("SP 2: $%04x\n", getsp());
|
||||
while (1) {
|
||||
if (kbhit ()) {
|
||||
printf("loop 1 SP: $%04x\n", getsp());
|
||||
C = cgetc ();
|
||||
if (C == '1') {
|
||||
break;
|
||||
} else {
|
||||
CheckError ("ser_put", ser_put (C));
|
||||
printf ("%c", C);
|
||||
//printf ("%c", C);
|
||||
}
|
||||
}
|
||||
Res = ser_get (&C);
|
||||
if (Res != SER_ERR_NO_DATA) {
|
||||
printf("loop 2 SP: $%04x\n", getsp());
|
||||
CheckError ("ser_get", Res);
|
||||
printf ("%c", C);
|
||||
}
|
||||
}
|
||||
printf ("D\n");
|
||||
printf("after loop SP: $%04x\n", getsp());
|
||||
//cgetc();
|
||||
CheckError ("ser_unload", ser_unload ());
|
||||
printf ("E\n");
|
||||
|
||||
cgetc();
|
||||
printf("final SP: $%04x\n", getsp());
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user