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https://github.com/cc65/cc65.git
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151 lines
3.6 KiB
PHP
151 lines
3.6 KiB
PHP
;
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; Oric Telemon definition
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; Telemon 2.4
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;
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; ---------------------------------------------------------------------------
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; Constants
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SCREEN_XSIZE = 40 ; screen columns
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SCREEN_YSIZE = 28 ; screen rows
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FUNCTKEY = $A5
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FNAME_LEN = 11 ; maximum length of file-name
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; ---------------------------------------------------------------------------
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; Zero page
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; ---------------------------------------------------------------------------
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; Low memory
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; ---------------------------------------------------------------------------
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; I/O locations
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; 6522
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.struct VIA ; Versatile Interface Adapter
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.res $0300
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PRB .byte ; Port Register B
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PRA .byte ; Port Register A
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DDRB .byte ; Data Direction Register B
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DDRA .byte ; Data Direction Register A
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T1 .word ; Timer 1
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T1L .word ; Timer 1 Latch
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T2 .word ; Timer 2
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SR .byte ; Shift Register
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ACR .byte ; Auxiliary Control Register
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PCR .byte ; Peripheral Control Register
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IFR .byte ; Interrupt Flags Register
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IER .byte ; Interrupt Enable Register
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PRA2 .byte ; Port Register A without handshaking
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.endstruct
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.struct VIA2 ; Versatile Interface Adapter
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.res $0320
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PRB .byte ; Port Register B
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PRA .byte ; Port Register A
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DDRB .byte ; Data Direction Register B
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DDRA .byte ; Data Direction Register A
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T1 .word ; Timer 1
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T1L .word ; Timer 1 Latch
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T2 .word ; Timer 2
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SR .byte ; Shift Register
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ACR .byte ; Auxiliary Control Register
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PCR .byte ; Peripheral Control Register
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IFR .byte ; Interrupt Flags Register
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IER .byte ; Interrupt Enable Register
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PRA2 .byte ; Port Register A without handshaking
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.endstruct
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; 6551
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.struct ACIA ; Asynchronous Communications Interface Adapter
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.res $031C
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DATA .byte
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STATUS .byte
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CMD .byte ; Command register
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CTRL .byte ; Control register
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.endstruct
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SCREEN := $BB80
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; ---------------------------------------------------------------------------
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; ROM entries
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; primitives telemon 2.4
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XRD0 := $08
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XRDW0 := $0c
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XWR0 := $10
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XWSTR0 := $14
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XTEXT := $19
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XHIRES := $1A
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XMINMA := $1f
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XFREAD := $27 ; only in TELEMON 3.0
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XOPEN := $30 ; only in TELEMON 3.0
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XCOSCR := $34 ; switch off cursor
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XCSSCR := $35 ; switch on cursor
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XCLOSE := $3a ; Close file
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XFWRITE:= $3b ; write
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XSONPS := $40
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XOUPS := $42
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XPLAY := $43
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XSOUND := $44
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XMUSIC := $45
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XZAP := $46
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XSHOOT := $47
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XCIRCL := $8f
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XCURSE := $90
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XEXPLO := $9c
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XPING := $9d
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XPAPER := $92
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XINK := $93
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; ---------------------------------------------------------------------------
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; Page 00
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RES := $00
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RESB := $02
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TR0 := $0c
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TR1 := $0d
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PTR_READ_DEST := $2c ; used for XFREAD and XWRITE
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HRSX := $46
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HRSY := $47
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HRS1 := $4D
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HRS2 := $4F
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HRS3 := $51
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HRS4 := $53
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HRS5 := $55
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; ---------------------------------------------------------------------------
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; Page $500
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BUFNOM := $517
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BUFEDT := $590
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MAX_BUFEDT_LENGTH=110
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; Hardware
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CH376_DATA :=$340
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CH376_COMMAND :=$341
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; MACRO
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.macro BRK_TELEMON value
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.byte $00,value
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.endmacro
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