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Merge pull request #24 from greg-king5/oric

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Atmos Symbol Names
This commit is contained in:
Oliver Schmidt 2013-07-26 03:01:10 -07:00
commit 1f36066946
13 changed files with 173 additions and 131 deletions
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90
asminc/atmos.inc
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@ -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
BASIC_BUF := $35
; ---------------------------------------------------------------------------
; Low memory
CAPSLOCK := $20C
IRQVec := $245
CURS_Y := $268
CURS_X := $269
STATUS := $26A
TIMER3 := $276
KEYBUF := $2DF
MODEKEY := $0209
CAPSLOCK := $020C
PATTERN := $0213
IRQVec := $0245
JOINFLAG := $025A ; 0 = don't joiu, $4A = join BASIC programs
VERIFYFLAG := $025B ; 0 = load, 1 = verify
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
TEXT := $EC21
HIRES := $EC33
CURSET := $F0C8
CURMOV := $F0FD
DRAW := $F110
CHAR := $F12D
POINT := $F1C8
PAPER := $F204
INK := $F210
PRINT := $F77C
; ---------------------------------------------------------------------------
; I/O
SCREEN := $BB80

8
libsrc/atmos/_scrsize.s
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@ -1,15 +1,17 @@
;
; Ullrich von Bassewitz, 2003-04-13
; 2003-04-13, Ullrich von Bassewitz
; 2013-07-16, Greg King
;
; Screen size variables
;
.export screensize
.include "atmos.inc"
.proc screensize
ldx #40
ldy #28
ldx #SCREEN_XSIZE
ldy #SCREEN_YSIZE
rts
.endproc

16
libsrc/atmos/atmos_load.s
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@ -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);
.export _atmos_load
.import store_filename
.include "atmos.inc"
.proc _atmos_load
sei
jsr store_filename
ldx #$00
stx $02ad
stx $02ae
stx $025a
stx $025b
stx AUTORUN ; don't try to run the file
stx LANGFLAG ; BASIC
stx JOINFLAG ; don't join it to another BASIC program
stx VERIFYFLAG ; load the file
jsr cload_bit
cli
rts

18
libsrc/atmos/atmos_save.s
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@ -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);
.export _atmos_save
.import popax, store_filename
.include "atmos.inc"
.proc _atmos_save
sei
sta $02ab ; file end lo
stx $02ac ; file end hi
sta FILEEND
stx FILEEND+1
jsr popax
sta $02a9 ; file start lo
stx $02aa ; file start hi
sta FILESTART
stx FILESTART+1
jsr popax
jsr store_filename
lda #00
sta $02ad
sta AUTORUN
jsr csave_bit
cli
rts

8
libsrc/atmos/cgetc.s
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@ -1,5 +1,6 @@
;
; Ullrich von Bassewitz, 2003-04-13
; 2003-04-13, Ullrich von Bassewitz
; 2013-07-26, Greg King
;
; char cgetc (void);
;
@ -11,7 +12,6 @@
.include "atmos.inc"
; ------------------------------------------------------------------------
;
@ -41,8 +41,8 @@
@L2: and #$7F ; Mask out avail flag
sta KEYBUF
ldy $209
cpy #$A5
ldy MODEKEY
cpy #FUNCTKEY
bne @L3
ora #$80 ; FUNCT pressed

7
libsrc/atmos/clrscr.s
View File

@ -1,5 +1,6 @@
;
; Ullrich von Bassewitz, 2003-04-13
; 2003-04-13, Ullrich von Bassewitz
; 2013-07-16, Greg King
;
.export _clrscr
@ -27,7 +28,7 @@
; Clear full pages. Y is still zero
ldx #>(28*40)
ldx #>(SCREEN_YSIZE * SCREEN_XSIZE)
lda #' '
@L1: sta (ptr2),y
iny ; Bump low byte of address
@ -40,7 +41,7 @@
@L2: sta (ptr2),y
iny
cpy #<(28*40)
cpy #<(SCREEN_YSIZE * SCREEN_XSIZE)
bne @L2
rts

13
libsrc/atmos/cputc.s
View File

@ -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 cputc (char c);
@ -41,7 +42,7 @@ output:
advance:
iny
cpy #40
cpy #SCREEN_XSIZE
bne L3
inc CURS_Y ; new line
ldy #0 ; + cr
@ -85,12 +86,12 @@ L3: sty CURS_X
.rodata
ScrTabLo:
.repeat 28, Line
.byte <(SCREEN + Line * 40)
.repeat SCREEN_YSIZE, Line
.byte <(SCREEN + Line * SCREEN_XSIZE)
.endrep
ScrTabHi:
.repeat 28, Line
.byte >(SCREEN + Line * 40)
.repeat SCREEN_YSIZE, Line
.byte >(SCREEN + Line * SCREEN_XSIZE)
.endrep

31
libsrc/atmos/joy/atmos-pase.s
View File

@ -1,14 +1,15 @@
;
; 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
; Based on Ullrich von Bassewitz, 2002-12-20
; 2002-12-20, Based on Ullrich von Bassewitz's code.
; 2009-12-21, Stefan Haubenthal
; 2013-07-15, Greg King
;
.include "joy-kernel.inc"
.include "joy-error.inc"
; .include "atmos.inc"
.include "atmos.inc"
; ------------------------------------------------------------------------
@ -49,10 +50,6 @@
JOY_COUNT = 2 ; Number of joysticks we support
PRA = $0301
DDRA = $0303
PRA2 = $030F
; ------------------------------------------------------------------------
; Data.
@ -99,24 +96,24 @@ COUNT:
READ:
tay
lda PRA
lda VIA::PRA
pha
lda DDRA
lda VIA::DDRA
pha
lda #%11000000
sta DDRA
sta VIA::DDRA
lda #%10000000
sta PRA2
lda PRA2
sta VIA::PRA2
lda VIA::PRA2
sta temp1
lda #%01000000
sta PRA2
lda PRA
sta VIA::PRA2
lda VIA::PRA
sta temp2
pla
sta DDRA
sta VIA::DDRA
pla
sta PRA2
sta VIA::PRA2
ldx #0
tya

16
libsrc/atmos/mainargs.s
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@ -1,19 +1,19 @@
;
; Ullrich von Bassewitz, 2003-03-07
; Stefan Haubenthal, 2011-01-28
; 2003-03-07, Ullrich von Bassewitz
; 2011-01-28, Stefan Haubenthal
; 2013-07-15, Greg King
;
; Setup arguments for main
;
.constructor initmainargs, 24
.import __argc, __argv
.include "atmos.inc"
.macpack generic
MAXARGS = 10 ; Maximum number of arguments allowed
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,
; we don't need to add a NUL character.
;
ldy #NAME_LEN - 1 ; limit the length
L0: lda FNAM,y
ldy #FNAME_LEN - 1 ; limit the length
L0: lda CFOUND_NAME,y
sta name,y
dey
bpl L0
@ -114,7 +114,7 @@ done: lda #<argv
;
.bss
term: .res 1
name: .res NAME_LEN + 1
name: .res FNAME_LEN + 1
.data
argv: .addr name

41
libsrc/atmos/ser/atmos-acia.s
View File

@ -2,7 +2,8 @@
; Serial driver for the Telestrat integrated serial controller and the
; 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
; Craig Bruce device driver for the Switftlink/Turbo-232.
@ -25,6 +26,7 @@
.include "zeropage.inc"
.include "ser-kernel.inc"
.include "ser-error.inc"
.include "atmos.inc"
; ------------------------------------------------------------------------
; Header. Includes jump table
@ -45,19 +47,10 @@
.addr CLOSE
.addr GET
.addr PUT
.addr STATUS
.addr SER_STATUS
.addr IOCTL
.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
@ -142,7 +135,7 @@ CLOSE:
; Deactivate DTR and disable 6551 interrupts
lda #%00001010
sta ACIA_CMD,x
sta ACIA::CMD,x
; Done, return an error code
: lda #<SER_ERR_OK
@ -194,10 +187,10 @@ OPEN:
lda StopTable,y
ora tmp1
ora #%00010000 ; Receiver clock source = baudrate
sta ACIA_CTRL
sta ACIA::CTRL
; 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
lda (ptr1),y
tay
@ -205,7 +198,7 @@ OPEN:
ora #%00000001 ; DTR active
sta RtsOff
ora #%00001000 ; Enable receive interrupts
sta ACIA_CMD
sta ACIA::CMD
; Done
stx Index ; Mark port as open
@ -252,7 +245,7 @@ GET:
sta Stopped
lda RtsOff
ora #%00001000
sta ACIA_CMD
sta ACIA::CMD
; Get byte from buffer
: ldy RecvHead ; (41)
@ -296,11 +289,11 @@ PUT:
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.
STATUS:
lda ACIA_STATUS
SER_STATUS:
lda ACIA::STATUS
ldx #$00
sta (ptr1,x)
txa ; SER_ERR_OK
@ -325,10 +318,10 @@ IOCTL:
IRQ:
ldx Index ; Check for open port
beq Done
lda ACIA_STATUS,x ; Check ACIA status for receive interrupt
lda ACIA::STATUS,x ; Check ACIA status for receive interrupt
and #$08
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
beq Flow ; Jump if no space in receive buffer
ldy RecvTail ; Load buffer pointer
@ -342,7 +335,7 @@ IRQ:
; Assert flow control if buffer space too low
Flow: lda RtsOff
sta ACIA_CMD,x
sta ACIA::CMD,x
sta Stopped
sec ; Interrupt handled
Done: rts
@ -361,7 +354,7 @@ Again: lda SendFreeCnt
bne Quit ; Bail out
; Check that ACIA is ready to send
lda ACIA_STATUS
lda ACIA::STATUS
and #$10
bne Send
bit tmp1 ; Keep trying if must try hard
@ -371,7 +364,7 @@ Quit: rts
; Send byte and try again
Send: ldy SendHead
lda SendBuf,y
sta ACIA_DATA
sta ACIA::DATA
inc SendHead
inc SendFreeCnt
jmp Again

8
libsrc/atmos/store_filename.s
View File

@ -1,12 +1,16 @@
; Helper function
.export store_filename
.importzp ptr1
.include "atmos.inc"
store_filename:
sta ptr1
stx ptr1+1
ldy #$0f ;store filename
ldy #FNAME_LEN - 1 ; store filename
: lda (ptr1),y
sta $027f,y
sta CFILE_NAME,y
dey
bpl :-
rts

18
libsrc/atmos/tgi/atmos-228-200-3.s
View File

@ -2,7 +2,7 @@
; Graphics driver for the 228x200x3 palette mode on the Atmos
;
; 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"
@ -79,21 +79,7 @@ ERROR: .res 1 ; Error code
MODE: .res 1 ; Graphics mode
PALETTE: .res 2
; Constants and 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
; Constant table
.rodata

30
libsrc/atmos/tgi/atmos-240-200-2.s
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@ -2,7 +2,7 @@
; Graphics driver for the 240x200x2 monochrome mode on the Atmos
;
; 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"
@ -66,10 +66,10 @@ YSIZE = 8 ; System font height
; Variables mapped to the zero page segment variables. Some of these are
; used for passing parameters to the driver.
X1 = ptr1
Y1 = ptr2
X2 = ptr3
Y2 = ptr4
X1 := ptr1
Y1 := ptr2
X2 := ptr3
Y2 := ptr4
; Absolute variables used in the code
@ -78,19 +78,7 @@ Y2 = ptr4
ERROR: .res 1 ; Error code
MODE: .res 1 ; Graphics mode
; Constants and tables
PARAM1 = $2E1
PARAM2 = $2E3
PARAM3 = $2E5
TEXT = $EC21
HIRES = $EC33
CURSET = $F0C8
CURMOV = $F0FD
DRAW = $F110
CHAR = $F12D
POINT = $F1C8
PAPER = $F204
INK = $F210
; Constant table
.rodata
@ -152,7 +140,7 @@ INIT:
; Must set an error code: NO
;
DONE = TEXT
DONE := TEXT
; ------------------------------------------------------------------------
; GETERROR: Return the error code in A and clear it.
@ -170,7 +158,7 @@ GETERROR:
;
CONTROL:
sta $213
sta PATTERN
lda #TGI_ERR_OK
sta ERROR
rts
@ -181,7 +169,7 @@ CONTROL:
; Must set an error code: NO
;
CLEAR = HIRES
CLEAR := HIRES
; ------------------------------------------------------------------------
; SETVIEWPAGE: Set the visible page. Called with the new page in A (0..n).