@@ -1,32 +1,94 @@
|
|||||||
;
|
;
|
||||||
; Oric atmos zeropage and ROM definitions
|
; Oric Atmos definitions
|
||||||
|
; BASIC 1.1 addresses
|
||||||
;
|
;
|
||||||
|
|
||||||
|
|
||||||
|
; ---------------------------------------------------------------------------
|
||||||
|
; Constants
|
||||||
|
|
||||||
|
SCREEN_XSIZE = 40 ; screen columns
|
||||||
|
SCREEN_YSIZE = 28 ; screen rows
|
||||||
|
|
||||||
|
FUNCTKEY = $A5
|
||||||
|
|
||||||
|
FNAME_LEN = 16 ; maximum length of file-name
|
||||||
|
|
||||||
|
|
||||||
; ---------------------------------------------------------------------------
|
; ---------------------------------------------------------------------------
|
||||||
; Zero page
|
; Zero page
|
||||||
|
|
||||||
|
BASIC_BUF := $35
|
||||||
|
|
||||||
|
|
||||||
; ---------------------------------------------------------------------------
|
; ---------------------------------------------------------------------------
|
||||||
; Low memory
|
; Low memory
|
||||||
|
|
||||||
CAPSLOCK := $20C
|
MODEKEY := $0209
|
||||||
IRQVec := $245
|
CAPSLOCK := $020C
|
||||||
CURS_Y := $268
|
PATTERN := $0213
|
||||||
CURS_X := $269
|
IRQVec := $0245
|
||||||
STATUS := $26A
|
JOINFLAG := $025A ; 0 = don't joiu, $4A = join BASIC programs
|
||||||
TIMER3 := $276
|
VERIFYFLAG := $025B ; 0 = load, 1 = verify
|
||||||
KEYBUF := $2DF
|
CURS_Y := $0268
|
||||||
|
CURS_X := $0269
|
||||||
|
STATUS := $026A
|
||||||
|
TIMER3 := $0276
|
||||||
|
CFILE_NAME := $027F
|
||||||
|
CFOUND_NAME := $0293
|
||||||
|
FILESTART := $02A9
|
||||||
|
FILEEND := $02AB
|
||||||
|
AUTORUN := $02AD ; $00 = only load, $C7 = autorun
|
||||||
|
LANGFLAG := $02AE ; $00 = BASIC, $80 = machine code
|
||||||
|
KEYBUF := $02DF
|
||||||
|
PARAM1 := $02E1 ; & $02E2
|
||||||
|
PARAM2 := $02E3 ; & $02E4
|
||||||
|
PARAM3 := $02E5 ; & $02E6
|
||||||
|
|
||||||
|
|
||||||
|
; ---------------------------------------------------------------------------
|
||||||
|
; I/O locations
|
||||||
|
|
||||||
|
; 6522
|
||||||
|
.struct VIA ; Versatile Interface Adapter
|
||||||
|
.res $0300
|
||||||
|
PRB .byte ; Port Register B
|
||||||
|
PRA .byte ; Port Register A
|
||||||
|
DDRB .byte ; Data Direction Register B
|
||||||
|
DDRA .byte ; Data Direction Register A
|
||||||
|
T1 .word ; Timer 1
|
||||||
|
T1L .word ; Timer 1 Latch
|
||||||
|
T2 .word ; Timer 2
|
||||||
|
SR .byte ; Shift Register
|
||||||
|
ACR .byte ; Auxiliary Control Register
|
||||||
|
PCR .byte ; Peripheral Control Register
|
||||||
|
IFR .byte ; Interrupt Flags Register
|
||||||
|
IER .byte ; Interrupt Enable Register
|
||||||
|
PRA2 .byte ; Port Register A without handshaking
|
||||||
|
.endstruct
|
||||||
|
|
||||||
|
; 6551
|
||||||
|
.struct ACIA ; Asynchronous Communications Interface Adapter
|
||||||
|
.res $031C
|
||||||
|
DATA .byte
|
||||||
|
STATUS .byte
|
||||||
|
CMD .byte ; Command register
|
||||||
|
CTRL .byte ; Control register
|
||||||
|
.endstruct
|
||||||
|
|
||||||
|
SCREEN := $BB80
|
||||||
|
|
||||||
|
|
||||||
; ---------------------------------------------------------------------------
|
; ---------------------------------------------------------------------------
|
||||||
; ROM entries
|
; ROM entries
|
||||||
|
|
||||||
|
TEXT := $EC21
|
||||||
|
HIRES := $EC33
|
||||||
|
CURSET := $F0C8
|
||||||
|
CURMOV := $F0FD
|
||||||
|
DRAW := $F110
|
||||||
|
CHAR := $F12D
|
||||||
|
POINT := $F1C8
|
||||||
|
PAPER := $F204
|
||||||
|
INK := $F210
|
||||||
PRINT := $F77C
|
PRINT := $F77C
|
||||||
|
|
||||||
|
|
||||||
; ---------------------------------------------------------------------------
|
|
||||||
; I/O
|
|
||||||
|
|
||||||
SCREEN := $BB80
|
|
||||||
|
|||||||
@@ -1,15 +1,17 @@
|
|||||||
;
|
;
|
||||||
; Ullrich von Bassewitz, 2003-04-13
|
; 2003-04-13, Ullrich von Bassewitz
|
||||||
|
; 2013-07-16, Greg King
|
||||||
;
|
;
|
||||||
; Screen size variables
|
; Screen size variables
|
||||||
;
|
;
|
||||||
|
|
||||||
.export screensize
|
.export screensize
|
||||||
|
.include "atmos.inc"
|
||||||
|
|
||||||
.proc screensize
|
.proc screensize
|
||||||
|
|
||||||
ldx #40
|
ldx #SCREEN_XSIZE
|
||||||
ldy #28
|
ldy #SCREEN_YSIZE
|
||||||
rts
|
rts
|
||||||
|
|
||||||
.endproc
|
.endproc
|
||||||
|
|||||||
@@ -1,20 +1,24 @@
|
|||||||
; Stefan Haubenthal, 2012-05-06
|
; Based on code by Twilighte.
|
||||||
; based on code by Twilighte
|
; 2012-05-06, Stefan Haubenthal
|
||||||
|
; 2013-07-22, Greg King
|
||||||
|
;
|
||||||
; void __fastcall__ atmos_load(const char* name);
|
; void __fastcall__ atmos_load(const char* name);
|
||||||
|
|
||||||
.export _atmos_load
|
.export _atmos_load
|
||||||
.import store_filename
|
.import store_filename
|
||||||
|
|
||||||
|
.include "atmos.inc"
|
||||||
|
|
||||||
|
|
||||||
.proc _atmos_load
|
.proc _atmos_load
|
||||||
|
|
||||||
sei
|
sei
|
||||||
jsr store_filename
|
jsr store_filename
|
||||||
ldx #$00
|
ldx #$00
|
||||||
stx $02ad
|
stx AUTORUN ; don't try to run the file
|
||||||
stx $02ae
|
stx LANGFLAG ; BASIC
|
||||||
stx $025a
|
stx JOINFLAG ; don't join it to another BASIC program
|
||||||
stx $025b
|
stx VERIFYFLAG ; load the file
|
||||||
jsr cload_bit
|
jsr cload_bit
|
||||||
cli
|
cli
|
||||||
rts
|
rts
|
||||||
|
|||||||
@@ -1,23 +1,27 @@
|
|||||||
; Stefan Haubenthal, 2012-05-06
|
; Based on code by Twilighte.
|
||||||
; based on code by Twilighte
|
; 2012-05-06, Stefan Haubenthal
|
||||||
|
; 2013-07-22, Greg King
|
||||||
|
;
|
||||||
; void __fastcall__ atmos_save(const char* name, const void* start, const void* end);
|
; void __fastcall__ atmos_save(const char* name, const void* start, const void* end);
|
||||||
|
|
||||||
.export _atmos_save
|
.export _atmos_save
|
||||||
.import popax, store_filename
|
.import popax, store_filename
|
||||||
|
|
||||||
|
.include "atmos.inc"
|
||||||
|
|
||||||
|
|
||||||
.proc _atmos_save
|
.proc _atmos_save
|
||||||
|
|
||||||
sei
|
sei
|
||||||
sta $02ab ; file end lo
|
sta FILEEND
|
||||||
stx $02ac ; file end hi
|
stx FILEEND+1
|
||||||
jsr popax
|
jsr popax
|
||||||
sta $02a9 ; file start lo
|
sta FILESTART
|
||||||
stx $02aa ; file start hi
|
stx FILESTART+1
|
||||||
jsr popax
|
jsr popax
|
||||||
jsr store_filename
|
jsr store_filename
|
||||||
lda #00
|
lda #00
|
||||||
sta $02ad
|
sta AUTORUN
|
||||||
jsr csave_bit
|
jsr csave_bit
|
||||||
cli
|
cli
|
||||||
rts
|
rts
|
||||||
|
|||||||
@@ -1,5 +1,6 @@
|
|||||||
;
|
;
|
||||||
; Ullrich von Bassewitz, 2003-04-13
|
; 2003-04-13, Ullrich von Bassewitz
|
||||||
|
; 2013-07-26, Greg King
|
||||||
;
|
;
|
||||||
; char cgetc (void);
|
; char cgetc (void);
|
||||||
;
|
;
|
||||||
@@ -11,7 +12,6 @@
|
|||||||
.include "atmos.inc"
|
.include "atmos.inc"
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
; ------------------------------------------------------------------------
|
; ------------------------------------------------------------------------
|
||||||
;
|
;
|
||||||
|
|
||||||
@@ -41,8 +41,8 @@
|
|||||||
|
|
||||||
@L2: and #$7F ; Mask out avail flag
|
@L2: and #$7F ; Mask out avail flag
|
||||||
sta KEYBUF
|
sta KEYBUF
|
||||||
ldy $209
|
ldy MODEKEY
|
||||||
cpy #$A5
|
cpy #FUNCTKEY
|
||||||
bne @L3
|
bne @L3
|
||||||
ora #$80 ; FUNCT pressed
|
ora #$80 ; FUNCT pressed
|
||||||
|
|
||||||
|
|||||||
@@ -1,5 +1,6 @@
|
|||||||
;
|
;
|
||||||
; Ullrich von Bassewitz, 2003-04-13
|
; 2003-04-13, Ullrich von Bassewitz
|
||||||
|
; 2013-07-16, Greg King
|
||||||
;
|
;
|
||||||
|
|
||||||
.export _clrscr
|
.export _clrscr
|
||||||
@@ -27,7 +28,7 @@
|
|||||||
|
|
||||||
; Clear full pages. Y is still zero
|
; Clear full pages. Y is still zero
|
||||||
|
|
||||||
ldx #>(28*40)
|
ldx #>(SCREEN_YSIZE * SCREEN_XSIZE)
|
||||||
lda #' '
|
lda #' '
|
||||||
@L1: sta (ptr2),y
|
@L1: sta (ptr2),y
|
||||||
iny ; Bump low byte of address
|
iny ; Bump low byte of address
|
||||||
@@ -40,7 +41,7 @@
|
|||||||
|
|
||||||
@L2: sta (ptr2),y
|
@L2: sta (ptr2),y
|
||||||
iny
|
iny
|
||||||
cpy #<(28*40)
|
cpy #<(SCREEN_YSIZE * SCREEN_XSIZE)
|
||||||
bne @L2
|
bne @L2
|
||||||
rts
|
rts
|
||||||
|
|
||||||
|
|||||||
@@ -1,5 +1,6 @@
|
|||||||
;
|
;
|
||||||
; Ullrich von Bassewitz, 2003-04-13
|
; 2003-04-13, Ullrich von Bassewitz
|
||||||
|
; 2013-07-16, Greg King
|
||||||
;
|
;
|
||||||
; void cputcxy (unsigned char x, unsigned char y, char c);
|
; void cputcxy (unsigned char x, unsigned char y, char c);
|
||||||
; void cputc (char c);
|
; void cputc (char c);
|
||||||
@@ -41,7 +42,7 @@ output:
|
|||||||
|
|
||||||
advance:
|
advance:
|
||||||
iny
|
iny
|
||||||
cpy #40
|
cpy #SCREEN_XSIZE
|
||||||
bne L3
|
bne L3
|
||||||
inc CURS_Y ; new line
|
inc CURS_Y ; new line
|
||||||
ldy #0 ; + cr
|
ldy #0 ; + cr
|
||||||
@@ -85,12 +86,12 @@ L3: sty CURS_X
|
|||||||
|
|
||||||
.rodata
|
.rodata
|
||||||
ScrTabLo:
|
ScrTabLo:
|
||||||
.repeat 28, Line
|
.repeat SCREEN_YSIZE, Line
|
||||||
.byte <(SCREEN + Line * 40)
|
.byte <(SCREEN + Line * SCREEN_XSIZE)
|
||||||
.endrep
|
.endrep
|
||||||
|
|
||||||
ScrTabHi:
|
ScrTabHi:
|
||||||
.repeat 28, Line
|
.repeat SCREEN_YSIZE, Line
|
||||||
.byte >(SCREEN + Line * 40)
|
.byte >(SCREEN + Line * SCREEN_XSIZE)
|
||||||
.endrep
|
.endrep
|
||||||
|
|
||||||
|
|||||||
@@ -1,14 +1,15 @@
|
|||||||
;
|
;
|
||||||
; P.A.S.E. joystick driver for the Atmos
|
; P.A.S.E. joystick driver for the Atmos
|
||||||
; May be used multiple times when linked to the statically application.
|
; Can be used multiple times when statically linked to the application.
|
||||||
;
|
;
|
||||||
; Stefan Haubenthal, 2009-12-21
|
; 2002-12-20, Based on Ullrich von Bassewitz's code.
|
||||||
; Based on Ullrich von Bassewitz, 2002-12-20
|
; 2009-12-21, Stefan Haubenthal
|
||||||
|
; 2013-07-15, Greg King
|
||||||
;
|
;
|
||||||
|
|
||||||
.include "joy-kernel.inc"
|
.include "joy-kernel.inc"
|
||||||
.include "joy-error.inc"
|
.include "joy-error.inc"
|
||||||
; .include "atmos.inc"
|
.include "atmos.inc"
|
||||||
|
|
||||||
|
|
||||||
; ------------------------------------------------------------------------
|
; ------------------------------------------------------------------------
|
||||||
@@ -49,10 +50,6 @@
|
|||||||
|
|
||||||
JOY_COUNT = 2 ; Number of joysticks we support
|
JOY_COUNT = 2 ; Number of joysticks we support
|
||||||
|
|
||||||
PRA = $0301
|
|
||||||
DDRA = $0303
|
|
||||||
PRA2 = $030F
|
|
||||||
|
|
||||||
; ------------------------------------------------------------------------
|
; ------------------------------------------------------------------------
|
||||||
; Data.
|
; Data.
|
||||||
|
|
||||||
@@ -99,24 +96,24 @@ COUNT:
|
|||||||
READ:
|
READ:
|
||||||
tay
|
tay
|
||||||
|
|
||||||
lda PRA
|
lda VIA::PRA
|
||||||
pha
|
pha
|
||||||
lda DDRA
|
lda VIA::DDRA
|
||||||
pha
|
pha
|
||||||
lda #%11000000
|
lda #%11000000
|
||||||
sta DDRA
|
sta VIA::DDRA
|
||||||
lda #%10000000
|
lda #%10000000
|
||||||
sta PRA2
|
sta VIA::PRA2
|
||||||
lda PRA2
|
lda VIA::PRA2
|
||||||
sta temp1
|
sta temp1
|
||||||
lda #%01000000
|
lda #%01000000
|
||||||
sta PRA2
|
sta VIA::PRA2
|
||||||
lda PRA
|
lda VIA::PRA
|
||||||
sta temp2
|
sta temp2
|
||||||
pla
|
pla
|
||||||
sta DDRA
|
sta VIA::DDRA
|
||||||
pla
|
pla
|
||||||
sta PRA2
|
sta VIA::PRA2
|
||||||
|
|
||||||
ldx #0
|
ldx #0
|
||||||
tya
|
tya
|
||||||
|
|||||||
@@ -1,19 +1,19 @@
|
|||||||
;
|
;
|
||||||
; Ullrich von Bassewitz, 2003-03-07
|
; 2003-03-07, Ullrich von Bassewitz
|
||||||
; Stefan Haubenthal, 2011-01-28
|
; 2011-01-28, Stefan Haubenthal
|
||||||
|
; 2013-07-15, Greg King
|
||||||
;
|
;
|
||||||
; Setup arguments for main
|
; Setup arguments for main
|
||||||
;
|
;
|
||||||
|
|
||||||
.constructor initmainargs, 24
|
.constructor initmainargs, 24
|
||||||
.import __argc, __argv
|
.import __argc, __argv
|
||||||
|
|
||||||
|
.include "atmos.inc"
|
||||||
.macpack generic
|
.macpack generic
|
||||||
|
|
||||||
MAXARGS = 10 ; Maximum number of arguments allowed
|
MAXARGS = 10 ; Maximum number of arguments allowed
|
||||||
REM = $9d ; BASIC token-code
|
REM = $9d ; BASIC token-code
|
||||||
NAME_LEN = 16 ; maximum length of command-name
|
|
||||||
BASIC_BUF = $35
|
|
||||||
FNAM = $293
|
|
||||||
|
|
||||||
|
|
||||||
;---------------------------------------------------------------------------
|
;---------------------------------------------------------------------------
|
||||||
@@ -29,8 +29,8 @@ FNAM = $293
|
|||||||
; Because the buffer, that we're copying into, was zeroed out,
|
; Because the buffer, that we're copying into, was zeroed out,
|
||||||
; we don't need to add a NUL character.
|
; we don't need to add a NUL character.
|
||||||
;
|
;
|
||||||
ldy #NAME_LEN - 1 ; limit the length
|
ldy #FNAME_LEN - 1 ; limit the length
|
||||||
L0: lda FNAM,y
|
L0: lda CFOUND_NAME,y
|
||||||
sta name,y
|
sta name,y
|
||||||
dey
|
dey
|
||||||
bpl L0
|
bpl L0
|
||||||
@@ -114,7 +114,7 @@ done: lda #<argv
|
|||||||
;
|
;
|
||||||
.bss
|
.bss
|
||||||
term: .res 1
|
term: .res 1
|
||||||
name: .res NAME_LEN + 1
|
name: .res FNAME_LEN + 1
|
||||||
|
|
||||||
.data
|
.data
|
||||||
argv: .addr name
|
argv: .addr name
|
||||||
|
|||||||
@@ -2,7 +2,8 @@
|
|||||||
; Serial driver for the Telestrat integrated serial controller and the
|
; Serial driver for the Telestrat integrated serial controller and the
|
||||||
; Atmos with a serial add-on.
|
; Atmos with a serial add-on.
|
||||||
;
|
;
|
||||||
; Stefan Haubenthal, 2012-03-05
|
; 2012-03-05, Stefan Haubenthal
|
||||||
|
; 2013-07-15, Greg King
|
||||||
;
|
;
|
||||||
; The driver is based on the cc65 rs232 module, which in turn is based on
|
; The driver is based on the cc65 rs232 module, which in turn is based on
|
||||||
; Craig Bruce device driver for the Switftlink/Turbo-232.
|
; Craig Bruce device driver for the Switftlink/Turbo-232.
|
||||||
@@ -25,6 +26,7 @@
|
|||||||
.include "zeropage.inc"
|
.include "zeropage.inc"
|
||||||
.include "ser-kernel.inc"
|
.include "ser-kernel.inc"
|
||||||
.include "ser-error.inc"
|
.include "ser-error.inc"
|
||||||
|
.include "atmos.inc"
|
||||||
|
|
||||||
; ------------------------------------------------------------------------
|
; ------------------------------------------------------------------------
|
||||||
; Header. Includes jump table
|
; Header. Includes jump table
|
||||||
@@ -45,19 +47,10 @@
|
|||||||
.addr CLOSE
|
.addr CLOSE
|
||||||
.addr GET
|
.addr GET
|
||||||
.addr PUT
|
.addr PUT
|
||||||
.addr STATUS
|
.addr SER_STATUS
|
||||||
.addr IOCTL
|
.addr IOCTL
|
||||||
.addr IRQ
|
.addr IRQ
|
||||||
|
|
||||||
;----------------------------------------------------------------------------
|
|
||||||
; I/O definitions
|
|
||||||
|
|
||||||
ACIA = $031C
|
|
||||||
ACIA_DATA = ACIA+0 ; Data register
|
|
||||||
ACIA_STATUS = ACIA+1 ; Status register
|
|
||||||
ACIA_CMD = ACIA+2 ; Command register
|
|
||||||
ACIA_CTRL = ACIA+3 ; Control register
|
|
||||||
|
|
||||||
;----------------------------------------------------------------------------
|
;----------------------------------------------------------------------------
|
||||||
; Global variables
|
; Global variables
|
||||||
|
|
||||||
@@ -142,7 +135,7 @@ CLOSE:
|
|||||||
|
|
||||||
; Deactivate DTR and disable 6551 interrupts
|
; Deactivate DTR and disable 6551 interrupts
|
||||||
lda #%00001010
|
lda #%00001010
|
||||||
sta ACIA_CMD,x
|
sta ACIA::CMD,x
|
||||||
|
|
||||||
; Done, return an error code
|
; Done, return an error code
|
||||||
: lda #<SER_ERR_OK
|
: lda #<SER_ERR_OK
|
||||||
@@ -194,10 +187,10 @@ OPEN:
|
|||||||
lda StopTable,y
|
lda StopTable,y
|
||||||
ora tmp1
|
ora tmp1
|
||||||
ora #%00010000 ; Receiver clock source = baudrate
|
ora #%00010000 ; Receiver clock source = baudrate
|
||||||
sta ACIA_CTRL
|
sta ACIA::CTRL
|
||||||
|
|
||||||
; Set the value for the command register. We remember the base value
|
; Set the value for the command register. We remember the base value
|
||||||
; in RtsOff, since we will have to manipulate ACIA_CMD often.
|
; in RtsOff, since we will have to manipulate ACIA::CMD often.
|
||||||
ldy #SER_PARAMS::PARITY ; Parity
|
ldy #SER_PARAMS::PARITY ; Parity
|
||||||
lda (ptr1),y
|
lda (ptr1),y
|
||||||
tay
|
tay
|
||||||
@@ -205,7 +198,7 @@ OPEN:
|
|||||||
ora #%00000001 ; DTR active
|
ora #%00000001 ; DTR active
|
||||||
sta RtsOff
|
sta RtsOff
|
||||||
ora #%00001000 ; Enable receive interrupts
|
ora #%00001000 ; Enable receive interrupts
|
||||||
sta ACIA_CMD
|
sta ACIA::CMD
|
||||||
|
|
||||||
; Done
|
; Done
|
||||||
stx Index ; Mark port as open
|
stx Index ; Mark port as open
|
||||||
@@ -252,7 +245,7 @@ GET:
|
|||||||
sta Stopped
|
sta Stopped
|
||||||
lda RtsOff
|
lda RtsOff
|
||||||
ora #%00001000
|
ora #%00001000
|
||||||
sta ACIA_CMD
|
sta ACIA::CMD
|
||||||
|
|
||||||
; Get byte from buffer
|
; Get byte from buffer
|
||||||
: ldy RecvHead ; (41)
|
: ldy RecvHead ; (41)
|
||||||
@@ -296,11 +289,11 @@ PUT:
|
|||||||
rts
|
rts
|
||||||
|
|
||||||
;----------------------------------------------------------------------------
|
;----------------------------------------------------------------------------
|
||||||
; STATUS: Return the status in the variable pointed to by ptr1.
|
; SER_STATUS: Return the status in the variable pointed to by ptr1.
|
||||||
; Must return an SER_ERR_xx code in a/x.
|
; Must return an SER_ERR_xx code in a/x.
|
||||||
|
|
||||||
STATUS:
|
SER_STATUS:
|
||||||
lda ACIA_STATUS
|
lda ACIA::STATUS
|
||||||
ldx #$00
|
ldx #$00
|
||||||
sta (ptr1,x)
|
sta (ptr1,x)
|
||||||
txa ; SER_ERR_OK
|
txa ; SER_ERR_OK
|
||||||
@@ -325,10 +318,10 @@ IOCTL:
|
|||||||
IRQ:
|
IRQ:
|
||||||
ldx Index ; Check for open port
|
ldx Index ; Check for open port
|
||||||
beq Done
|
beq Done
|
||||||
lda ACIA_STATUS,x ; Check ACIA status for receive interrupt
|
lda ACIA::STATUS,x ; Check ACIA status for receive interrupt
|
||||||
and #$08
|
and #$08
|
||||||
beq Done ; Jump if no ACIA interrupt
|
beq Done ; Jump if no ACIA interrupt
|
||||||
lda ACIA_DATA,x ; Get byte from ACIA
|
lda ACIA::DATA,x ; Get byte from ACIA
|
||||||
ldy RecvFreeCnt ; Check if we have free space left
|
ldy RecvFreeCnt ; Check if we have free space left
|
||||||
beq Flow ; Jump if no space in receive buffer
|
beq Flow ; Jump if no space in receive buffer
|
||||||
ldy RecvTail ; Load buffer pointer
|
ldy RecvTail ; Load buffer pointer
|
||||||
@@ -342,7 +335,7 @@ IRQ:
|
|||||||
|
|
||||||
; Assert flow control if buffer space too low
|
; Assert flow control if buffer space too low
|
||||||
Flow: lda RtsOff
|
Flow: lda RtsOff
|
||||||
sta ACIA_CMD,x
|
sta ACIA::CMD,x
|
||||||
sta Stopped
|
sta Stopped
|
||||||
sec ; Interrupt handled
|
sec ; Interrupt handled
|
||||||
Done: rts
|
Done: rts
|
||||||
@@ -361,7 +354,7 @@ Again: lda SendFreeCnt
|
|||||||
bne Quit ; Bail out
|
bne Quit ; Bail out
|
||||||
|
|
||||||
; Check that ACIA is ready to send
|
; Check that ACIA is ready to send
|
||||||
lda ACIA_STATUS
|
lda ACIA::STATUS
|
||||||
and #$10
|
and #$10
|
||||||
bne Send
|
bne Send
|
||||||
bit tmp1 ; Keep trying if must try hard
|
bit tmp1 ; Keep trying if must try hard
|
||||||
@@ -371,7 +364,7 @@ Quit: rts
|
|||||||
; Send byte and try again
|
; Send byte and try again
|
||||||
Send: ldy SendHead
|
Send: ldy SendHead
|
||||||
lda SendBuf,y
|
lda SendBuf,y
|
||||||
sta ACIA_DATA
|
sta ACIA::DATA
|
||||||
inc SendHead
|
inc SendHead
|
||||||
inc SendFreeCnt
|
inc SendFreeCnt
|
||||||
jmp Again
|
jmp Again
|
||||||
|
|||||||
@@ -1,12 +1,16 @@
|
|||||||
|
; Helper function
|
||||||
|
|
||||||
.export store_filename
|
.export store_filename
|
||||||
.importzp ptr1
|
.importzp ptr1
|
||||||
|
|
||||||
|
.include "atmos.inc"
|
||||||
|
|
||||||
store_filename:
|
store_filename:
|
||||||
sta ptr1
|
sta ptr1
|
||||||
stx ptr1+1
|
stx ptr1+1
|
||||||
ldy #$0f ;store filename
|
ldy #FNAME_LEN - 1 ; store filename
|
||||||
: lda (ptr1),y
|
: lda (ptr1),y
|
||||||
sta $027f,y
|
sta CFILE_NAME,y
|
||||||
dey
|
dey
|
||||||
bpl :-
|
bpl :-
|
||||||
rts
|
rts
|
||||||
|
|||||||
@@ -2,7 +2,7 @@
|
|||||||
; Graphics driver for the 228x200x3 palette mode on the Atmos
|
; Graphics driver for the 228x200x3 palette mode on the Atmos
|
||||||
;
|
;
|
||||||
; Stefan Haubenthal <polluks@sdf.lonestar.org>
|
; Stefan Haubenthal <polluks@sdf.lonestar.org>
|
||||||
; 2012-08-11, Greg King <greg.king5@verizon.net>
|
; 2013-07-15, Greg King <gregdk@users.sf.net>
|
||||||
;
|
;
|
||||||
|
|
||||||
.include "zeropage.inc"
|
.include "zeropage.inc"
|
||||||
@@ -79,21 +79,7 @@ ERROR: .res 1 ; Error code
|
|||||||
MODE: .res 1 ; Graphics mode
|
MODE: .res 1 ; Graphics mode
|
||||||
PALETTE: .res 2
|
PALETTE: .res 2
|
||||||
|
|
||||||
; Constants and table
|
; Constant table
|
||||||
; BASIC 1.1 addresses
|
|
||||||
PATTERN := $213
|
|
||||||
PARAM1 := $2E1 ; & $2E2
|
|
||||||
PARAM2 := $2E3 ; & $2E4
|
|
||||||
PARAM3 := $2E5 ; & $2E6
|
|
||||||
TEXT := $EC21
|
|
||||||
HIRES := $EC33
|
|
||||||
CURSET := $F0C8
|
|
||||||
CURMOV := $F0FD
|
|
||||||
DRAW := $F110
|
|
||||||
CHAR := $F12D
|
|
||||||
POINT := $F1C8
|
|
||||||
PAPER := $F204
|
|
||||||
INK := $F210
|
|
||||||
|
|
||||||
.rodata
|
.rodata
|
||||||
|
|
||||||
|
|||||||
@@ -2,7 +2,7 @@
|
|||||||
; Graphics driver for the 240x200x2 monochrome mode on the Atmos
|
; Graphics driver for the 240x200x2 monochrome mode on the Atmos
|
||||||
;
|
;
|
||||||
; Stefan Haubenthal <polluks@sdf.lonestar.org>
|
; Stefan Haubenthal <polluks@sdf.lonestar.org>
|
||||||
; 2012-08-11, Greg King <greg.king5@verizon.net>
|
; 2013-07-16, Greg King <gregdk@users.sf.net>
|
||||||
;
|
;
|
||||||
|
|
||||||
.include "zeropage.inc"
|
.include "zeropage.inc"
|
||||||
@@ -66,10 +66,10 @@ YSIZE = 8 ; System font height
|
|||||||
; Variables mapped to the zero page segment variables. Some of these are
|
; Variables mapped to the zero page segment variables. Some of these are
|
||||||
; used for passing parameters to the driver.
|
; used for passing parameters to the driver.
|
||||||
|
|
||||||
X1 = ptr1
|
X1 := ptr1
|
||||||
Y1 = ptr2
|
Y1 := ptr2
|
||||||
X2 = ptr3
|
X2 := ptr3
|
||||||
Y2 = ptr4
|
Y2 := ptr4
|
||||||
|
|
||||||
; Absolute variables used in the code
|
; Absolute variables used in the code
|
||||||
|
|
||||||
@@ -78,19 +78,7 @@ Y2 = ptr4
|
|||||||
ERROR: .res 1 ; Error code
|
ERROR: .res 1 ; Error code
|
||||||
MODE: .res 1 ; Graphics mode
|
MODE: .res 1 ; Graphics mode
|
||||||
|
|
||||||
; Constants and tables
|
; Constant table
|
||||||
PARAM1 = $2E1
|
|
||||||
PARAM2 = $2E3
|
|
||||||
PARAM3 = $2E5
|
|
||||||
TEXT = $EC21
|
|
||||||
HIRES = $EC33
|
|
||||||
CURSET = $F0C8
|
|
||||||
CURMOV = $F0FD
|
|
||||||
DRAW = $F110
|
|
||||||
CHAR = $F12D
|
|
||||||
POINT = $F1C8
|
|
||||||
PAPER = $F204
|
|
||||||
INK = $F210
|
|
||||||
|
|
||||||
.rodata
|
.rodata
|
||||||
|
|
||||||
@@ -152,7 +140,7 @@ INIT:
|
|||||||
; Must set an error code: NO
|
; Must set an error code: NO
|
||||||
;
|
;
|
||||||
|
|
||||||
DONE = TEXT
|
DONE := TEXT
|
||||||
|
|
||||||
; ------------------------------------------------------------------------
|
; ------------------------------------------------------------------------
|
||||||
; GETERROR: Return the error code in A and clear it.
|
; GETERROR: Return the error code in A and clear it.
|
||||||
@@ -170,7 +158,7 @@ GETERROR:
|
|||||||
;
|
;
|
||||||
|
|
||||||
CONTROL:
|
CONTROL:
|
||||||
sta $213
|
sta PATTERN
|
||||||
lda #TGI_ERR_OK
|
lda #TGI_ERR_OK
|
||||||
sta ERROR
|
sta ERROR
|
||||||
rts
|
rts
|
||||||
@@ -181,7 +169,7 @@ CONTROL:
|
|||||||
; Must set an error code: NO
|
; Must set an error code: NO
|
||||||
;
|
;
|
||||||
|
|
||||||
CLEAR = HIRES
|
CLEAR := HIRES
|
||||||
|
|
||||||
; ------------------------------------------------------------------------
|
; ------------------------------------------------------------------------
|
||||||
; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).
|
; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).
|
||||||
|
|||||||
Reference in New Issue
Block a user