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Merge branch 'master' into kbrepeat

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This commit is contained in:
Bob Andrews
2017-08-06 20:22:52 +02:00
committed by GitHub
parent 99e6dd18d6 f5e9b4012a
commit 5dcebbccb6
602 changed files with 20833 additions and 8109 deletions
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5
libsrc/c64/cputc.s
View File

@@ -7,7 +7,7 @@
.export _cputcxy, _cputc, cputdirect, putchar
.export newline, plot
.import popa, _gotoxy
.import gotoxy
.import PLOT
.include "c64.inc"
@@ -15,8 +15,7 @@
_cputcxy:
pha ; Save C
jsr popa ; Get Y
jsr _gotoxy ; Set cursor, drop x
jsr gotoxy ; Set cursor, drop x and y
pla ; Restore C
; Plot a character - also used as internal function

47
libsrc/c64/crt0.s
View File

@@ -6,7 +6,7 @@
.export __STARTUP__ : absolute = 1 ; Mark as startup
.import initlib, donelib
.import moveinit, zerobss, callmain
.import zerobss, callmain
.import BSOUT
.import __MAIN_START__, __MAIN_SIZE__ ; Linker generated
.import __STACKSIZE__ ; from configure file
@@ -23,11 +23,6 @@
Start:
; Switch to the second charset.
lda #14
jsr BSOUT
; Switch off the BASIC ROM.
lda $01
@@ -39,22 +34,10 @@ Start:
tsx
stx spsave ; Save the system stack ptr
; Allow some re-entrancy by skipping the next task if it already was done.
; This sometimes can let us rerun the program without reloading it.
ldx move_init
beq L0
; Move the INIT segment from where it was loaded (over the bss segments)
; into where it must be run (over the BSS segment).
jsr moveinit
dec move_init ; Set to false
; Save space by putting some of the start-up code in the INIT segment,
; Save space by putting some of the start-up code in the ONCE segment,
; which can be re-used by the BSS segment, the heap and the C stack.
L0: jsr runinit
jsr init
; Clear the BSS data.
@@ -96,9 +79,9 @@ L2: lda zpsave,x
; ------------------------------------------------------------------------
.segment "INIT"
.segment "ONCE"
runinit:
init:
; Save the zero-page locations that we need.
@@ -110,11 +93,16 @@ L1: lda sp,x
; Set up the stack.
lda #<(__MAIN_START__ + __MAIN_SIZE__ + __STACKSIZE__)
ldx #>(__MAIN_START__ + __MAIN_SIZE__ + __STACKSIZE__)
lda #<(__MAIN_START__ + __MAIN_SIZE__)
ldx #>(__MAIN_START__ + __MAIN_SIZE__)
sta sp
stx sp+1 ; Set argument stack ptr
; Switch to the second charset.
lda #14
jsr BSOUT
; Call the module constructors.
jmp initlib
@@ -123,17 +111,8 @@ L1: lda sp,x
; ------------------------------------------------------------------------
; Data
.data
; These two variables were moved out of the BSS segment, and into DATA, because
; we need to use them before INIT is moved off of BSS, and before BSS is zeroed.
.segment "INIT"
mmusave:.res 1
spsave: .res 1
move_init:
.byte 1
.segment "INITBSS"
zpsave: .res zpspace

752
libsrc/c64/emd/c64-65816.s
View File

@@ -1,376 +1,376 @@
;
; Extended memory driver for 65816 based extra RAM. Driver works without
; problems when statically linked.
;
; Marco van den Heuvel, 2015-12-01
;
.include "zeropage.inc"
.include "em-kernel.inc"
.include "em-error.inc"
.macpack generic
.macpack module
; ------------------------------------------------------------------------
; Header. Includes jump table
module_header _c64_65816_emd
; Driver signature
.byte $65, $6d, $64 ; "emd"
.byte EMD_API_VERSION ; EM API version number
; Library reference
.addr $0000
; Jump table
.addr INSTALL
.addr UNINSTALL
.addr PAGECOUNT
.addr MAP
.addr USE
.addr COMMIT
.addr COPYFROM
.addr COPYTO
; ------------------------------------------------------------------------
; Data.
.bss
isnotscpu: .res 1 ; SuperCPU not present
curpage: .res 1 ; Current page number
curbank: .res 1 ; Current bank number (+1)
bankcount: .res 1 ; Number of available banks (pages = banks * 256)
window: .res 256 ; Memory "window"
.code
; ------------------------------------------------------------------------
; INSTALL routine. Is called after the driver is loaded into memory. If
; possible, check if the hardware is present and determine the amount of
; memory available.
; Must return an EM_ERR_xx code in a/x.
;
INSTALL:
sei
clc
sed
lda #$99
adc #$01 ; on 65C02, 65SC02, 65CE02, 65802 and 65816 sets the zero flag correctly
cld
bne @not_present
clc
.P816
sep #$01 ; nop #$01 on 65C02/65SC02 and lda ($01,s),y on 65CE02
.P02
bcc @not_present
lda $d0bc
and #$80
sta isnotscpu
lda $07e8
pha ; save value incase it was used somewhere else
ldx #$ff
@fillloop: ; fill from top (bank 255) to bottom
txa
pha
.P816
plb ; pull dbr
.P02
stx $07e8
dex
cpx #$ff
bne @fillloop
inx
@compareloop: ; check from bottom to top
txa
pha
.P816
plb
.P02
cmp $07e8
bne @found_pages
.P816
inc
.P02
sta $07e8
cmp $07e8
bne @found_pages
inx
bne @compareloop
@found_pages:
dex
lda #$00
pha
.P816
plb
.P02
pla
sta $07e8
cli
lda isnotscpu
bne @noextradex
dex
@noextradex:
stx bankcount
lda #<EM_ERR_OK
ldx #>EM_ERR_OK
rts
@not_present:
cli
lda #<EM_ERR_NO_DEVICE
ldx #>EM_ERR_NO_DEVICE
; rts ; Run into UNINSTALL instead
; ------------------------------------------------------------------------
; UNINSTALL routine. Is called before the driver is removed from memory.
; Can do cleanup or whatever. Must not return anything.
;
UNINSTALL:
rts
; ------------------------------------------------------------------------
; PAGECOUNT: Return the total number of available pages in a/x.
;
PAGECOUNT:
lda #$00 ; a whole bank is either usable or not
ldx bankcount
rts
; ------------------------------------------------------------------------
; MAP: Map the page in a/x into memory and return a pointer to the page in
; a/x. The contents of the currently mapped page (if any) may be discarded
; by the driver.
;
MAP: sta curpage ; Remember the new page
stx curbank ; Remember the new bank
sta ptr2+1 ; src address low
lda #$00
sta ptr2 ; src address high
inx
ldy isnotscpu ; check if not scpu
bne @notscpu
inx
@notscpu:
stx tmp2 ; src bank
sta tmp1 ; dst bank
sta ptr3+1 ; length high
lda #$ff
sta ptr3 ; length low
lda #<window
sta ptr1 ; dst address low
ldx #>window
stx ptr1+1 ; dst address high
jsr transfer
rts
; ------------------------------------------------------------------------
; USE: Tell the driver that the window is now associated with a given page.
USE: sta curpage ; Remember the page
stx curbank ; Remember the bank
lda #<window
ldx #>window ; Return the window
rts
; ------------------------------------------------------------------------
; COMMIT: Commit changes in the memory window to extended storage.
COMMIT: lda curpage ; Get the current page
sta ptr1+1 ; dst high
ldx #$00
stx ptr1 ; dst low
lda #<window
sta ptr2 ; src low
lda #>window
sta ptr2+1 ; src high
stx ptr3+1 ; length high
lda #$ff
sta ptr3 ; length low
stx tmp2 ; src bank
ldy curbank ; Get the current bank
iny
ldx isnotscpu
bne @notascpu
iny
@notascpu:
sty tmp1 ; dst bank
jsr transfer
rts
; ------------------------------------------------------------------------
; COPYFROM: Copy from extended into linear memory. A pointer to a structure
; describing the request is passed in a/x.
; The function must not return anything.
;
COPYFROM:
sta ptr4
stx ptr4+1 ; Save the passed em_copy pointer
ldy #EM_COPY::COUNT+1 ; start at the end of the struct
lda (ptr4),y ; get high byte of count
tax
dey
lda (ptr4),y ; get low byte of count
bne @nodex
dex
@nodex:
.P816
dec
.P02
sta ptr3 ; length low
stx ptr3+1 ; length high
dey
lda (ptr4),y ; get bank
.P816
inc
.P02
ldx isnotscpu
bne @notscpu64
.P816
inc
.P02
@notscpu64:
sta tmp2 ; src bank
dey
lda (ptr4),y ; get page
sta ptr2+1 ; src high
dey
lda (ptr4),y ; get offset in page
sta ptr2 ; src low
dey
lda (ptr4),y ; get memory buffer high
sta ptr1+1 ; dst high
dey
lda (ptr4),y ; get memory buffer low
sta ptr1 ; dst low
lda #$00
sta tmp1 ; dst bank
jsr transfer
rts
; ------------------------------------------------------------------------
; COPYTO: Copy from linear into extended memory. A pointer to a structure
; describing the request is passed in a/x.
; The function must not return anything.
;
COPYTO: sta ptr4
stx ptr4+1 ; Save the passed em_copy pointer
ldy #EM_COPY::COUNT+1 ; start at the end of the struct
lda (ptr4),y ; get high byte of count
tax
dey
lda (ptr4),y ; get low byte of count
bne @nodex2
dex
@nodex2:
.P816
dec
.P02
sta ptr3 ; length low
txa
sta ptr3+1 ; length high
dey
lda (ptr4),y ; get bank
.P816
inc
.P02
ldx isnotscpu
bne @notascpu64
.P816
inc
.P02
@notascpu64:
sta tmp1 ; dst bank
dey
lda (ptr4),y ; get page
sta ptr1+1 ; dst high
dey
lda (ptr4),y ; get page offset
sta ptr1 ; dst low
dey
lda (ptr4),y ; get memory buffer high
sta ptr2+1 ; src low
dey
lda (ptr4),y ; get memory buffer low
sta ptr2 ; src high
lda #$00
sta tmp2 ; src bank
jsr transfer
rts
; ------------------------------------------------------------------------
; Helper function for moving a block, the following is used:
; ptr1: dst
; ptr2: src
; ptr3: length
; tmp1: dst bank
; tmp2: src bank
transfer:
.P816
.A8
.I8
sei
pha
phx
phy
ldx tmp1 ; load srcbank
stx @move+1 ; store srcbank in move + 1
ldy tmp2 ; load dstbank
sty @move+2 ; store dstbank in move + 2
clc ; switch to native mode
xce
php ; save status bits
rep #%00110000 ; set A and index to 16bit
.A16
.I16
ldy ptr1
ldx ptr2
lda ptr3
@move:
mvn 0,0
plp ; restore status bits
.A8
.I8
lda #$00
pha
plb ; restore dbr
sec
xce ; switch to emul mode
ply
plx
pla
cli
rts
.P02
;
; Extended memory driver for 65816 based extra RAM. Driver works without
; problems when statically linked.
;
; Marco van den Heuvel, 2015-12-01
;
.include "zeropage.inc"
.include "em-kernel.inc"
.include "em-error.inc"
.macpack generic
.macpack module
; ------------------------------------------------------------------------
; Header. Includes jump table
module_header _c64_65816_emd
; Driver signature
.byte $65, $6d, $64 ; "emd"
.byte EMD_API_VERSION ; EM API version number
; Library reference
.addr $0000
; Jump table
.addr INSTALL
.addr UNINSTALL
.addr PAGECOUNT
.addr MAP
.addr USE
.addr COMMIT
.addr COPYFROM
.addr COPYTO
; ------------------------------------------------------------------------
; Data.
.bss
isnotscpu: .res 1 ; SuperCPU not present
curpage: .res 1 ; Current page number
curbank: .res 1 ; Current bank number (+1)
bankcount: .res 1 ; Number of available banks (pages = banks * 256)
window: .res 256 ; Memory "window"
.code
; ------------------------------------------------------------------------
; INSTALL routine. Is called after the driver is loaded into memory. If
; possible, check if the hardware is present and determine the amount of
; memory available.
; Must return an EM_ERR_xx code in a/x.
;
INSTALL:
sei
clc
sed
lda #$99
adc #$01 ; on 65C02, 65SC02, 65CE02, 65802 and 65816 sets the zero flag correctly
cld
bne @not_present
clc
.P816
sep #$01 ; nop #$01 on 65C02/65SC02 and lda ($01,s),y on 65CE02
.P02
bcc @not_present
lda $d0bc
and #$80
sta isnotscpu
lda $07e8
pha ; save value incase it was used somewhere else
ldx #$ff
@fillloop: ; fill from top (bank 255) to bottom
txa
pha
.P816
plb ; pull dbr
.P02
stx $07e8
dex
cpx #$ff
bne @fillloop
inx
@compareloop: ; check from bottom to top
txa
pha
.P816
plb
.P02
cmp $07e8
bne @found_pages
.P816
inc
.P02
sta $07e8
cmp $07e8
bne @found_pages
inx
bne @compareloop
@found_pages:
dex
lda #$00
pha
.P816
plb
.P02
pla
sta $07e8
cli
lda isnotscpu
bne @noextradex
dex
@noextradex:
stx bankcount
lda #<EM_ERR_OK
ldx #>EM_ERR_OK
rts
@not_present:
cli
lda #<EM_ERR_NO_DEVICE
ldx #>EM_ERR_NO_DEVICE
; rts ; Run into UNINSTALL instead
; ------------------------------------------------------------------------
; UNINSTALL routine. Is called before the driver is removed from memory.
; Can do cleanup or whatever. Must not return anything.
;
UNINSTALL:
rts
; ------------------------------------------------------------------------
; PAGECOUNT: Return the total number of available pages in a/x.
;
PAGECOUNT:
lda #$00 ; a whole bank is either usable or not
ldx bankcount
rts
; ------------------------------------------------------------------------
; MAP: Map the page in a/x into memory and return a pointer to the page in
; a/x. The contents of the currently mapped page (if any) may be discarded
; by the driver.
;
MAP: sta curpage ; Remember the new page
stx curbank ; Remember the new bank
sta ptr2+1 ; src address low
lda #$00
sta ptr2 ; src address high
inx
ldy isnotscpu ; check if not scpu
bne @notscpu
inx
@notscpu:
stx tmp2 ; src bank
sta tmp1 ; dst bank
sta ptr3+1 ; length high
lda #$ff
sta ptr3 ; length low
lda #<window
sta ptr1 ; dst address low
ldx #>window
stx ptr1+1 ; dst address high
jsr transfer
rts
; ------------------------------------------------------------------------
; USE: Tell the driver that the window is now associated with a given page.
USE: sta curpage ; Remember the page
stx curbank ; Remember the bank
lda #<window
ldx #>window ; Return the window
rts
; ------------------------------------------------------------------------
; COMMIT: Commit changes in the memory window to extended storage.
COMMIT: lda curpage ; Get the current page
sta ptr1+1 ; dst high
ldx #$00
stx ptr1 ; dst low
lda #<window
sta ptr2 ; src low
lda #>window
sta ptr2+1 ; src high
stx ptr3+1 ; length high
lda #$ff
sta ptr3 ; length low
stx tmp2 ; src bank
ldy curbank ; Get the current bank
iny
ldx isnotscpu
bne @notascpu
iny
@notascpu:
sty tmp1 ; dst bank
jsr transfer
rts
; ------------------------------------------------------------------------
; COPYFROM: Copy from extended into linear memory. A pointer to a structure
; describing the request is passed in a/x.
; The function must not return anything.
;
COPYFROM:
sta ptr4
stx ptr4+1 ; Save the passed em_copy pointer
ldy #EM_COPY::COUNT+1 ; start at the end of the struct
lda (ptr4),y ; get high byte of count
tax
dey
lda (ptr4),y ; get low byte of count
bne @nodex
dex
@nodex:
.P816
dec
.P02
sta ptr3 ; length low
stx ptr3+1 ; length high
dey
lda (ptr4),y ; get bank
.P816
inc
.P02
ldx isnotscpu
bne @notscpu64
.P816
inc
.P02
@notscpu64:
sta tmp2 ; src bank
dey
lda (ptr4),y ; get page
sta ptr2+1 ; src high
dey
lda (ptr4),y ; get offset in page
sta ptr2 ; src low
dey
lda (ptr4),y ; get memory buffer high
sta ptr1+1 ; dst high
dey
lda (ptr4),y ; get memory buffer low
sta ptr1 ; dst low
lda #$00
sta tmp1 ; dst bank
jsr transfer
rts
; ------------------------------------------------------------------------
; COPYTO: Copy from linear into extended memory. A pointer to a structure
; describing the request is passed in a/x.
; The function must not return anything.
;
COPYTO: sta ptr4
stx ptr4+1 ; Save the passed em_copy pointer
ldy #EM_COPY::COUNT+1 ; start at the end of the struct
lda (ptr4),y ; get high byte of count
tax
dey
lda (ptr4),y ; get low byte of count
bne @nodex2
dex
@nodex2:
.P816
dec
.P02
sta ptr3 ; length low
txa
sta ptr3+1 ; length high
dey
lda (ptr4),y ; get bank
.P816
inc
.P02
ldx isnotscpu
bne @notascpu64
.P816
inc
.P02
@notascpu64:
sta tmp1 ; dst bank
dey
lda (ptr4),y ; get page
sta ptr1+1 ; dst high
dey
lda (ptr4),y ; get page offset
sta ptr1 ; dst low
dey
lda (ptr4),y ; get memory buffer high
sta ptr2+1 ; src low
dey
lda (ptr4),y ; get memory buffer low
sta ptr2 ; src high
lda #$00
sta tmp2 ; src bank
jsr transfer
rts
; ------------------------------------------------------------------------
; Helper function for moving a block, the following is used:
; ptr1: dst
; ptr2: src
; ptr3: length
; tmp1: dst bank
; tmp2: src bank
transfer:
.P816
.A8
.I8
sei
pha
phx
phy
ldx tmp1 ; load srcbank
stx @move+1 ; store srcbank in move + 1
ldy tmp2 ; load dstbank
sty @move+2 ; store dstbank in move + 2
clc ; switch to native mode
xce
php ; save status bits
rep #%00110000 ; set A and index to 16bit
.A16
.I16
ldy ptr1
ldx ptr2
lda ptr3
@move:
mvn 0,0
plp ; restore status bits
.A8
.I8
lda #$00
pha
plb ; restore dbr
sec
xce ; switch to emul mode
ply
plx
pla
cli
rts
.P02

21
libsrc/c64/extra/tgimousedata.s Normal file
View File

@@ -0,0 +1,21 @@
; C64 sprite addresses for the TGI mouse pointer
;
; 2017-01-13, Greg King
; In order to provide a visible mouse pointer during TGI's graphics mode,
; the object file "c64-tgimousedata.o" must be linked explicitly into
; a program file. Example:
;
; cl65 -t c64 -o program-file main-code.c subroutines.s c64-tgimousedata.o
;
; Note: Currently, a program cannot have default
; pointers for both text and graphic modes.
; The TGI graphics mode uses VIC-II's 16K bank number three.
;
; Address of the TGI bitmap's color RAM
COLORMAP := $D000
.export mcb_spritepointer := COLORMAP + $03F8
.export mcb_spritememory := COLORMAP + $0400

2
libsrc/c64/irq.s
View File

@@ -9,7 +9,7 @@
; ------------------------------------------------------------------------
.segment "INIT"
.segment "ONCE"
initirq:
lda IRQVec

6
libsrc/c64/mainargs.s
View File

@@ -32,10 +32,10 @@ MAXARGS = 10 ; Maximum number of arguments allowed
REM = $8f ; BASIC token-code
NAME_LEN = 16 ; Maximum length of command-name
; Get possible command-line arguments. Goes into the special INIT segment,
; Get possible command-line arguments. Goes into the special ONCE segment,
; which may be reused after the startup code is run
.segment "INIT"
.segment "ONCE"
initmainargs:
@@ -125,7 +125,7 @@ done: lda #<argv
stx __argv + 1
rts
.segment "INITBSS"
.segment "INIT"
term: .res 1
name: .res NAME_LEN + 1

2
libsrc/c64/mcbdefault.s
View File

@@ -30,7 +30,7 @@ VIC_SPR_Y = (VIC_SPR0_Y + 2*MOUSE_SPR) ; Sprite Y register
; --------------------------------------------------------------------------
; Initialize the mouse sprite.
.segment "INIT"
.segment "ONCE"
initmcb:

2
libsrc/c64/soft80_charset.s
View File

@@ -43,7 +43,7 @@
.export soft80_charset
.segment "INIT"
.segment "ONCE"
soft80_charset:
.byte $0f,$03,$0f,$00,$0f,$07,$05,$0e
.byte $0f,$05,$0e,$0b,$0f,$0b,$0f,$0f

4
libsrc/c64/soft80_conio.s
View File

@@ -56,7 +56,7 @@ soft80_shutdown:
sta CIA2_PRA
jmp $FF5B ; Initialize video I/O
.segment "INIT"
.segment "ONCE"
firstinit:
; copy charset to RAM under I/O
sei
@@ -146,7 +146,7 @@ soft80_bitmapyhi_data:
soft80_tables_data_end:
;-------------------------------------------------------------------------------
.segment "INITBSS"
.segment "INIT"
soft80_internal_cellcolor:
.res 1
soft80_internal_bgcolor:

5
libsrc/c64/soft80_cputc.s
View File

@@ -12,7 +12,7 @@
.export soft80_newline, soft80_plot
.export soft80_checkchar
.import popa, _gotoxy
.import gotoxy
.import soft80_kplot
.import soft80_internal_bgcolor, soft80_internal_cellcolor
@@ -25,8 +25,7 @@
soft80_cputcxy:
pha ; Save C
jsr popa ; Get Y
jsr _gotoxy ; Set cursor, drop x
jsr gotoxy ; Set cursor, drop x and y
pla ; Restore C
; Plot a character - also used as internal function

4
libsrc/c64/soft80mono_conio.s
View File

@@ -60,7 +60,7 @@ soft80mono_shutdown:
sta VIC_VIDEO_ADR
rts
.segment "INIT"
.segment "ONCE"
firstinit:
; copy charset to RAM under I/O
sei
@@ -150,7 +150,7 @@ soft80_bitmapyhi_data:
soft80_tables_data_end:
;-------------------------------------------------------------------------------
.segment "INITBSS"
.segment "INIT"
soft80mono_internal_cellcolor:
.res 1
soft80mono_internal_bgcolor:

5
libsrc/c64/soft80mono_cputc.s
View File

@@ -11,7 +11,7 @@
.export soft80mono_cputdirect, soft80mono_putchar
.export soft80mono_newline, soft80mono_plot
.import popa, _gotoxy
.import gotoxy
.import soft80mono_kplot
.import soft80mono_internal_bgcolor, soft80mono_internal_cellcolor
@@ -24,8 +24,7 @@
soft80mono_cputcxy:
pha ; Save C
jsr popa ; Get Y
jsr _gotoxy ; Set cursor, drop x
jsr gotoxy ; Set cursor, drop x and y
pla ; Restore C
; Plot a character - also used as internal function

2
libsrc/c64/systime.s
View File

@@ -63,7 +63,7 @@ BCD2dec:tax
; Constructor that writes to the 1/10 sec register of the TOD to kick it
; into action. If this is not done, the clock hangs. We will read the register
; and write it again, ignoring a possible change in between.
.segment "INIT"
.segment "ONCE"
.proc initsystime

10
libsrc/c64/tgi/c64-hi.s
View File

@@ -1,7 +1,9 @@
;
; Graphics driver for the 320x200x2 mode on the C64.
;
; Based on Stephen L. Judds GRLIB code
; Based on Stephen L. Judd's GRLIB code.
;
; 2017-01-13, Greg King
;
.include "zeropage.inc"
@@ -351,7 +353,7 @@ SETPALETTE:
@L2: sta CBASE+$0000,y
sta CBASE+$0100,y
sta CBASE+$0200,y
sta CBASE+$0300,y
sta CBASE+$02e8,y
iny
bne @L2
pla
@@ -872,7 +874,7 @@ TEXTSTYLE:
OUTTEXT:
; Calculate a pointer to the representation of the character in the
; character ROM
; character ROM
ldx #((>(CHARROM + $0800)) >> 3)
ldy #0
@@ -957,5 +959,3 @@ CALC: lda Y1
lda #00
@L9: sta INRANGE
rts

18
libsrc/c64/waitvsync.s Normal file
View File

@@ -0,0 +1,18 @@
;
; Written by Groepaz <groepaz@gmx.net>
;
; void waitvsync (void);
;
.export _waitvsync
.include "c64.inc"
_waitvsync:
@l1:
bit VIC_CTRL1
bpl @l1
@l2:
bit VIC_CTRL1
bmi @l2
rts