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Removed (pretty inconsistently used) tab chars from source code base.

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This commit is contained in:
Oliver Schmidt
2013-05-09 13:56:54 +02:00
parent 44fd1082ae
commit 85885001b1
1773 changed files with 62864 additions and 62868 deletions
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124
libsrc/c128/emd/c128-georam.s
View File

@@ -8,9 +8,9 @@
; Marco van den Heuvel, 2010-01-21
;
.include "zeropage.inc"
.include "zeropage.inc"
.include "em-kernel.inc"
.include "em-kernel.inc"
.include "em-error.inc"
@@ -25,7 +25,7 @@
; Driver signature
.byte $65, $6d, $64 ; "emd"
.byte EMD_API_VERSION ; EM API version number
.byte EMD_API_VERSION ; EM API version number
; Jump table.
@@ -62,83 +62,83 @@ pagecount: .res 2 ; Number of available pages
;
INSTALL:
ldx GR_WINDOW
ldx GR_WINDOW
cpx GR_WINDOW
bne @notpresent
inc GR_WINDOW
cpx GR_WINDOW
beq @notpresent
cpx GR_WINDOW
beq @notpresent
lda #4
jsr check
cpy GR_WINDOW
beq @has64k
lda #8
jsr check
cpy GR_WINDOW
beq @has128k
lda #16
jsr check
cpy GR_WINDOW
beq @has256k
lda #32
jsr check
cpy GR_WINDOW
beq @has512k
lda #64
jsr check
cpy GR_WINDOW
beq @has1024k
lda #128
jsr check
cpy GR_WINDOW
beq @has2048k
ldx #>16384
lda #4
jsr check
cpy GR_WINDOW
beq @has64k
lda #8
jsr check
cpy GR_WINDOW
beq @has128k
lda #16
jsr check
cpy GR_WINDOW
beq @has256k
lda #32
jsr check
cpy GR_WINDOW
beq @has512k
lda #64
jsr check
cpy GR_WINDOW
beq @has1024k
lda #128
jsr check
cpy GR_WINDOW
beq @has2048k
ldx #>16384
bne @setok
@has64k:
ldx #>256
bne @setok
ldx #>256
bne @setok
@has128k:
ldx #>512
bne @setok
ldx #>512
bne @setok
@has256k:
ldx #>1024
bne @setok
ldx #>1024
bne @setok
@has512k:
ldx #>2048
bne @setok
ldx #>2048
bne @setok
@has1024k:
ldx #>4096
bne @setok
ldx #>4096
bne @setok
@has2048k:
ldx #>8192
bne @setok
ldx #>8192
bne @setok
@notpresent:
lda #<EM_ERR_NO_DEVICE
ldx #>EM_ERR_NO_DEVICE
rts
lda #<EM_ERR_NO_DEVICE
ldx #>EM_ERR_NO_DEVICE
rts
@setok:
lda #0
sta pagecount
stx pagecount+1
lda #<EM_ERR_OK
ldx #>EM_ERR_OK
rts
lda #0
sta pagecount
stx pagecount+1
lda #<EM_ERR_OK
ldx #>EM_ERR_OK
rts
check:
ldx #0
stx GR_PAGE_LO
stx GR_PAGE_HI
ldy GR_WINDOW
iny
sta GR_PAGE_HI
sty GR_WINDOW
ldx #0
stx GR_PAGE_HI
; rts ; Run into UNINSTALL instead
ldx #0
stx GR_PAGE_LO
stx GR_PAGE_HI
ldy GR_WINDOW
iny
sta GR_PAGE_HI
sty GR_WINDOW
ldx #0
stx GR_PAGE_HI
; rts ; Run into UNINSTALL instead
; ------------------------------------------------------------------------
; UNINSTALL routine. Is called before the driver is removed from memory.

32
libsrc/c128/emd/c128-ram.s
View File

@@ -5,9 +5,9 @@
; Ullrich von Bassewitz, 2002-12-04
;
.include "zeropage.inc"
.include "zeropage.inc"
.include "em-kernel.inc"
.include "em-kernel.inc"
.include "em-error.inc"
.include "c128.inc"
@@ -23,7 +23,7 @@
; Driver signature
.byte $65, $6d, $64 ; "emd"
.byte EMD_API_VERSION ; EM API version number
.byte EMD_API_VERSION ; EM API version number
; Jump table.
@@ -33,15 +33,15 @@
.word MAP
.word USE
.word COMMIT
.word COPYFROM
.word COPYFROM
.word COPYTO
; ------------------------------------------------------------------------
; Constants
BASE = $400
BASE = $400
TOPMEM = $FF00
PAGES = (TOPMEM - BASE) / 256
PAGES = (TOPMEM - BASE) / 256
; ------------------------------------------------------------------------
; Data.
@@ -96,10 +96,10 @@ MAP: sta curpage
stx curpage+1 ; Remember the new page
clc
adc #>BASE
sta ptr1+1
ldy #$00
sty ptr1
adc #>BASE
sta ptr1+1
ldy #$00
sty ptr1
lda #<ptr1
sta FETVEC
@@ -130,15 +130,15 @@ USE: sta curpage
; ------------------------------------------------------------------------
; COMMIT: Commit changes in the memory window to extended storage.
COMMIT: lda curpage ; Get the current page
COMMIT: lda curpage ; Get the current page
ldx curpage+1
bmi done ; Jump if no page mapped
clc
adc #>BASE
sta ptr1+1
ldy #$00
sty ptr1
adc #>BASE
sta ptr1+1
ldy #$00
sty ptr1
lda #<ptr1
sta STAVEC
@@ -212,7 +212,7 @@ COPYFROM:
ldy #$00
@L3: ldx #MMU_CFG_RAM1
jsr FETCH
sta (ptr2),y
sta (ptr2),y
iny
dec tmp1
bne @L3

24
libsrc/c128/emd/c128-ram2.s
View File

@@ -8,9 +8,9 @@
; Marco van den Heuvel, 2010-01-21
;
.include "zeropage.inc"
.include "zeropage.inc"
.include "em-kernel.inc"
.include "em-kernel.inc"
.include "em-error.inc"
.include "c128.inc"
@@ -26,7 +26,7 @@
; Driver signature
.byte $65, $6d, $64 ; "emd"
.byte EMD_API_VERSION ; EM API version number
.byte EMD_API_VERSION ; EM API version number
; Jump table.
@@ -36,13 +36,13 @@
.word MAP
.word USE
.word COMMIT
.word COPYFROM
.word COPYFROM
.word COPYTO
; ------------------------------------------------------------------------
; Constants
BASE = $400
BASE = $400
; ------------------------------------------------------------------------
; Data.
@@ -103,9 +103,9 @@ INSTALL:
ldx #$FF
stx curpage
stx curpage+1 ; Invalidate the current page
inx
txa ; A = X = EM_ERR_OK
; rts ; Run into UNINSTALL instead
inx
txa ; A = X = EM_ERR_OK
; rts ; Run into UNINSTALL instead
; ------------------------------------------------------------------------
; UNINSTALL routine. Is called before the driver is removed from memory.
@@ -175,7 +175,7 @@ USE: sta curpage
; COMMIT: Commit changes in the memory window to extended storage.
COMMIT: sei
lda curpage ; Get the current page
lda curpage ; Get the current page
ldx curpage+1
bmi done ; Jump if no page mapped
@@ -183,9 +183,9 @@ COMMIT: sei
stx curbank
clc
adc #>BASE
sta ptr1+1
ldy #$00
adc #>BASE
sta ptr1+1
ldy #$00
sty ptr1
lda #<ptr1

114
libsrc/c128/emd/c128-ramcart.s
View File

@@ -7,10 +7,10 @@
;
.include "zeropage.inc"
.include "zeropage.inc"
.include "em-kernel.inc"
.include "em-error.inc"
.include "em-kernel.inc"
.include "em-error.inc"
.macpack generic
@@ -24,7 +24,7 @@
; Driver signature
.byte $65, $6d, $64 ; "emd"
.byte EMD_API_VERSION ; EM API version number
.byte EMD_API_VERSION ; EM API version number
; Jump table.
@@ -32,9 +32,9 @@
.word UNINSTALL
.word PAGECOUNT
.word MAP
.word USE
.word USE
.word COMMIT
.word COPYFROM
.word COPYFROM
.word COPYTO
; ------------------------------------------------------------------------
@@ -61,46 +61,46 @@ pagecount: .res 2 ; Number of pages available
;
INSTALL:
ldx RAMC_WINDOW
cpx RAMC_WINDOW
bne @notpresent
ldx RAMC_WINDOW
cpx RAMC_WINDOW
bne @notpresent
lda #0
sta RAMC_PAGE_LO
sta RAMC_PAGE_HI
ldx RAMC_WINDOW
cpx RAMC_WINDOW
bne @notpresent
lda #2
sta RAMC_WINDOW
cmp RAMC_WINDOW
beq @cont
cpx RAMC_WINDOW
beq @readonly
@cont: ldy #1
sty RAMC_PAGE_HI
sty RAMC_WINDOW
dey
sty RAMC_PAGE_HI
iny
cpy RAMC_WINDOW
beq @rc64
; we're on rc128
ldx #>512
bne @setsize
@rc64: ldx #>256
lda #0
sta RAMC_PAGE_LO
sta RAMC_PAGE_HI
ldx RAMC_WINDOW
cpx RAMC_WINDOW
bne @notpresent
lda #2
sta RAMC_WINDOW
cmp RAMC_WINDOW
beq @cont
cpx RAMC_WINDOW
beq @readonly
@cont: ldy #1
sty RAMC_PAGE_HI
sty RAMC_WINDOW
dey
sty RAMC_PAGE_HI
iny
cpy RAMC_WINDOW
beq @rc64
; we're on rc128
ldx #>512
bne @setsize
@rc64: ldx #>256
@setsize:
lda #0
sta pagecount
stx pagecount+1
lda #0
sta pagecount
stx pagecount+1
lda #<EM_ERR_OK
ldx #>EM_ERR_OK
rts
@notpresent:
@readonly:
lda #<EM_ERR_NO_DEVICE
ldx #>EM_ERR_NO_DEVICE
; rts ; Run into UNINSTALL instead
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.
@@ -134,8 +134,8 @@ USE = MAP
; by the driver.
;
MAP: sta RAMC_PAGE_LO
stx RAMC_PAGE_HI
MAP: sta RAMC_PAGE_LO
stx RAMC_PAGE_HI
lda #<RAMC_WINDOW
ldx #>RAMC_WINDOW
@@ -185,14 +185,14 @@ COPYFROM:
; Bump page register
@L4: inc tmp1
bne @L5
inc tmp2
@L5: lda tmp1
sta RAMC_PAGE_LO
lda tmp2
sta RAMC_PAGE_HI
jmp @L3
@L4: inc tmp1
bne @L5
inc tmp2
@L5: lda tmp1
sta RAMC_PAGE_LO
lda tmp2
sta RAMC_PAGE_HI
jmp @L3
; ------------------------------------------------------------------------
; COPYTO: Copy from linear into extended memory. A pointer to a structure
@@ -233,14 +233,14 @@ COPYTO:
; Bump page register
@L4: inc tmp1
bne @L5
inc tmp2
@L5: lda tmp1
sta RAMC_PAGE_LO
lda tmp2
sta RAMC_PAGE_HI
jmp @L3
@L4: inc tmp1
bne @L5
inc tmp2
@L5: lda tmp1
sta RAMC_PAGE_LO
lda tmp2
sta RAMC_PAGE_HI
jmp @L3
; ------------------------------------------------------------------------
; Helper function for COPYFROM and COPYTO: Store the pointer to the request

34
libsrc/c128/emd/c128-reu.s
View File

@@ -5,11 +5,11 @@
; Ullrich von Bassewitz, 2002-11-29
;
.include "zeropage.inc"
.include "zeropage.inc"
.include "em-kernel.inc"
.include "em-kernel.inc"
.include "em-error.inc"
.include "c128.inc"
.include "c128.inc"
.macpack generic
@@ -23,7 +23,7 @@
; Driver signature
.byte $65, $6d, $64 ; "emd"
.byte EMD_API_VERSION ; EM API version number
.byte EMD_API_VERSION ; EM API version number
; Jump table.
@@ -33,7 +33,7 @@
.word MAP
.word USE
.word COMMIT
.word COPYFROM
.word COPYFROM
.word COPYTO
; ------------------------------------------------------------------------
@@ -61,12 +61,12 @@ curpage: .res 2 ; Current page number
window: .res 256 ; Memory "window"
reu_params: .word $0000 ; Host address, lo, hi
.word $0000 ; Exp address, lo, hi
.byte $00 ; Expansion bank no.
.word $0000 ; # bytes to move, lo, hi
.byte $00 ; Interrupt mask reg.
.byte $00 ; Adress control reg.
reu_params: .word $0000 ; Host address, lo, hi
.word $0000 ; Exp address, lo, hi
.byte $00 ; Expansion bank no.
.word $0000 ; # bytes to move, lo, hi
.byte $00 ; Interrupt mask reg.
.byte $00 ; Adress control reg.
.code
@@ -221,14 +221,14 @@ transfer1:
; Transfer subroutine for the REU. Expects command in Y.
transfer:
sty REU_COMMAND ; Issue command
sty REU_COMMAND ; Issue command
ldy MMU_CR ; Save the current MMU settings
lda #MMU_CFG_RAM0 ;
sei ;
sta MMU_CR ; Enable RAM in bank #0
ldy MMU_CR ; Save the current MMU settings
lda #MMU_CFG_RAM0 ;
sei ;
sta MMU_CR ; Enable RAM in bank #0
lda REU_TRIGGER ; Don't change $FF00
sta REU_TRIGGER ; Start the transfer...
sta REU_TRIGGER ; Start the transfer...
sty MMU_CR ; Restore the old configuration
cli

338
libsrc/c128/emd/c128-vdc.s
View File

@@ -4,10 +4,10 @@
; Maciej 'YTM/Elysium' Witkowiak <ytm@elysium.pl>
; 06,20.12.2002
.include "zeropage.inc"
.include "zeropage.inc"
.include "em-kernel.inc"
.include "em-error.inc"
.include "em-kernel.inc"
.include "em-error.inc"
.macpack generic
@@ -21,7 +21,7 @@
; Driver signature
.byte $65, $6d, $64 ; "emd"
.byte EMD_API_VERSION ; EM API version number
.byte EMD_API_VERSION ; EM API version number
; Jump table.
@@ -29,33 +29,33 @@
.word DEINSTALL
.word PAGECOUNT
.word MAP
.word USE
.word USE
.word COMMIT
.word COPYFROM
.word COPYFROM
.word COPYTO
; ------------------------------------------------------------------------
; Constants
VDC_ADDR_REG = $D600 ; VDC address
VDC_DATA_REG = $D601 ; VDC data
VDC_ADDR_REG = $D600 ; VDC address
VDC_DATA_REG = $D601 ; VDC data
VDC_DATA_HI = 18 ; used registers
VDC_DATA_LO = 19
VDC_CSET = 28
VDC_DATA = 31
VDC_DATA_HI = 18 ; used registers
VDC_DATA_LO = 19
VDC_CSET = 28
VDC_DATA = 31
; ------------------------------------------------------------------------
; Data.
.data
pagecount: .word 64 ; $0000-$3fff as 16k default
curpage: .word $ffff ; currently mapped-in page (invalid)
pagecount: .word 64 ; $0000-$3fff as 16k default
curpage: .word $ffff ; currently mapped-in page (invalid)
.bss
window: .res 256 ; memory window
window: .res 256 ; memory window
.code
@@ -67,78 +67,78 @@ window: .res 256 ; memory window
;
INSTALL:
; do test for VDC presence here???
; do test for VDC presence here???
ldx #VDC_CSET ; determine size of RAM...
jsr vdcgetreg
sta tmp1
ora #%00010000
jsr vdcputreg ; turn on 64k
ldx #VDC_CSET ; determine size of RAM...
jsr vdcgetreg
sta tmp1
ora #%00010000
jsr vdcputreg ; turn on 64k
jsr settestadr1 ; save original value of test byte
jsr vdcgetbyte
sta tmp2
jsr settestadr1 ; save original value of test byte
jsr vdcgetbyte
sta tmp2
lda #$55 ; write $55 here
ldy #ptr1
jsr test64k ; read it here and there
lda #$aa ; write $aa here
ldy #ptr2
jsr test64k ; read it here and there
lda #$55 ; write $55 here
ldy #ptr1
jsr test64k ; read it here and there
lda #$aa ; write $aa here
ldy #ptr2
jsr test64k ; read it here and there
jsr settestadr1
lda tmp2
jsr vdcputbyte ; restore original value of test byte
jsr settestadr1
lda tmp2
jsr vdcputbyte ; restore original value of test byte
lda ptr1 ; do bytes match?
cmp ptr1+1
bne @have64k
lda ptr2
cmp ptr2+1
bne @have64k
lda ptr1 ; do bytes match?
cmp ptr1+1
bne @have64k
lda ptr2
cmp ptr2+1
bne @have64k
ldx #VDC_CSET
lda tmp1
jsr vdcputreg ; restore 16/64k flag
jmp @endok ; and leave default values for 16k
ldx #VDC_CSET
lda tmp1
jsr vdcputreg ; restore 16/64k flag
jmp @endok ; and leave default values for 16k
@have64k:
lda #<256
ldx #>256
sta pagecount
stx pagecount+1
lda #<256
ldx #>256
sta pagecount
stx pagecount+1
@endok:
lda #<EM_ERR_OK
lda #<EM_ERR_OK
ldx #>EM_ERR_OK
rts
test64k:
sta tmp1
sty ptr3
lda #0
sta ptr3+1
jsr settestadr1
lda tmp1
jsr vdcputbyte ; write $55
jsr settestadr1
jsr vdcgetbyte ; read here
pha
jsr settestadr2
jsr vdcgetbyte ; and there
ldy #1
sta (ptr3),y
pla
dey
sta (ptr3),y
rts
sta tmp1
sty ptr3
lda #0
sta ptr3+1
jsr settestadr1
lda tmp1
jsr vdcputbyte ; write $55
jsr settestadr1
jsr vdcgetbyte ; read here
pha
jsr settestadr2
jsr vdcgetbyte ; and there
ldy #1
sta (ptr3),y
pla
dey
sta (ptr3),y
rts
settestadr1:
ldy #$02 ; test page 2 (here)
.byte $2c
ldy #$02 ; test page 2 (here)
.byte $2c
settestadr2:
ldy #$42 ; or page 64+2 (there)
lda #0
jmp vdcsetsrcaddr
ldy #$42 ; or page 64+2 (there)
lda #0
jmp vdcsetsrcaddr
; ------------------------------------------------------------------------
; DEINSTALL routine. Is called before the driver is removed from memory.
@@ -146,7 +146,7 @@ settestadr2:
;
DEINSTALL:
;on C128 restore font and clear the screen?
;on C128 restore font and clear the screen?
rts
; ------------------------------------------------------------------------
@@ -164,42 +164,42 @@ PAGECOUNT:
; by the driver.
;
MAP: sta curpage
stx curpage+1
sta ptr1+1
ldy #0
sty ptr1
MAP: sta curpage
stx curpage+1
sta ptr1+1
ldy #0
sty ptr1
lda #<window
sta ptr2
lda #>window
sta ptr2+1
lda #<window
sta ptr2
lda #>window
sta ptr2+1
jsr transferin
jsr transferin
lda #<window
ldx #>window
rts
rts
; copy a single page from (ptr1):VDCRAM to (ptr2):RAM
transferin:
lda ptr1
ldy ptr1+1
jsr vdcsetsrcaddr ; set source address in VDC
ldy #0
ldx #VDC_DATA
stx VDC_ADDR_REG
@L0: bit VDC_ADDR_REG
bpl @L0
lda VDC_DATA_REG ; get 2 bytes at a time to speed-up
sta (ptr2),y ; (in fact up to 8 bytes could be fetched with special VDC config)
iny
lda VDC_DATA_REG
sta (ptr2),y
iny
bne @L0
rts
lda ptr1
ldy ptr1+1
jsr vdcsetsrcaddr ; set source address in VDC
ldy #0
ldx #VDC_DATA
stx VDC_ADDR_REG
@L0: bit VDC_ADDR_REG
bpl @L0
lda VDC_DATA_REG ; get 2 bytes at a time to speed-up
sta (ptr2),y ; (in fact up to 8 bytes could be fetched with special VDC config)
iny
lda VDC_DATA_REG
sta (ptr2),y
iny
bne @L0
rts
; ------------------------------------------------------------------------
; USE: Tell the driver that the window is now associated with a given page.
@@ -214,36 +214,36 @@ done: rts
; COMMIT: Commit changes in the memory window to extended storage.
COMMIT:
lda curpage ; jump if no page mapped
ldx curpage+1
bmi done
sta ptr1+1
ldy #0
sty ptr1
lda curpage ; jump if no page mapped
ldx curpage+1
bmi done
sta ptr1+1
ldy #0
sty ptr1
lda #<window
sta ptr2
lda #>window
sta ptr2+1
lda #<window
sta ptr2
lda #>window
sta ptr2+1
; fall through to transferout
; copy a single page from (ptr2):RAM to (ptr1):VDCRAM
transferout:
lda ptr1
ldy ptr1+1
jsr vdcsetsrcaddr ; set source address in VDC
ldy #0
ldx #VDC_DATA
stx VDC_ADDR_REG
@L0: bit VDC_ADDR_REG
bpl @L0
lda (ptr2),y ; speedup does not work for writing
sta VDC_DATA_REG
iny
bne @L0
rts
lda ptr1
ldy ptr1+1
jsr vdcsetsrcaddr ; set source address in VDC
ldy #0
ldx #VDC_DATA
stx VDC_ADDR_REG
@L0: bit VDC_ADDR_REG
bpl @L0
lda (ptr2),y ; speedup does not work for writing
sta VDC_DATA_REG
iny
bne @L0
rts
; ------------------------------------------------------------------------
; COPYFROM: Copy from extended into linear memory. A pointer to a structure
@@ -252,8 +252,8 @@ transferout:
;
COPYFROM:
jsr setup
beq @L2 ; Skip if no full pages
jsr setup
beq @L2 ; Skip if no full pages
; Copy full pages
@@ -268,18 +268,18 @@ COPYFROM:
@L2: ldy #EM_COPY::COUNT
lda (ptr3),y ; Get bytes in last page
beq @L4
sta tmp1
sta tmp1
; Transfer the bytes in the last page
ldy #0
@L3: jsr vdcgetbyte
sta (ptr2),y
iny
dec tmp1
lda tmp1
bne @L3
@L4: rts
ldy #0
@L3: jsr vdcgetbyte
sta (ptr2),y
iny
dec tmp1
lda tmp1
bne @L3
@L4: rts
; ------------------------------------------------------------------------
; COPYTO: Copy from linear into extended memory. A pointer to a structure
@@ -288,8 +288,8 @@ COPYFROM:
;
COPYTO:
jsr setup
beq @L2 ; Skip if no full pages
jsr setup
beq @L2 ; Skip if no full pages
; Copy full pages
@@ -304,52 +304,52 @@ COPYTO:
@L2: ldy #EM_COPY::COUNT
lda (ptr3),y ; Get bytes in last page
beq @L4
sta tmp1
sta tmp1
; Transfer the bytes in the last page
ldy #0
@L3: lda (ptr2),y
jsr vdcputbyte
iny
dec tmp1
lda tmp1
bne @L3
@L4: rts
ldy #0
@L3: lda (ptr2),y
jsr vdcputbyte
iny
dec tmp1
lda tmp1
bne @L3
@L4: rts
;-------------------------------------------------------------------------
; Helper functions to handle VDC ram
;
vdcsetsrcaddr:
ldx #VDC_DATA_LO
stx VDC_ADDR_REG
@L0: bit VDC_ADDR_REG
bpl @L0
sta VDC_DATA_REG
dex
tya
stx VDC_ADDR_REG
sta VDC_DATA_REG
rts
ldx #VDC_DATA_LO
stx VDC_ADDR_REG
@L0: bit VDC_ADDR_REG
bpl @L0
sta VDC_DATA_REG
dex
tya
stx VDC_ADDR_REG
sta VDC_DATA_REG
rts
vdcgetbyte:
ldx #VDC_DATA
ldx #VDC_DATA
vdcgetreg:
stx VDC_ADDR_REG
@L0: bit VDC_ADDR_REG
bpl @L0
lda VDC_DATA_REG
rts
stx VDC_ADDR_REG
@L0: bit VDC_ADDR_REG
bpl @L0
lda VDC_DATA_REG
rts
vdcputbyte:
ldx #VDC_DATA
ldx #VDC_DATA
vdcputreg:
stx VDC_ADDR_REG
@L0: bit VDC_ADDR_REG
bpl @L0
sta VDC_DATA_REG
rts
stx VDC_ADDR_REG
@L0: bit VDC_ADDR_REG
bpl @L0
sta VDC_DATA_REG
rts
; ------------------------------------------------------------------------
; Helper function for COPYFROM and COPYTO: Store the pointer to the request
@@ -357,7 +357,7 @@ vdcputreg:
;
setup:
sta ptr3
sta ptr3
stx ptr3+1 ; Save the passed em_copy pointer
ldy #EM_COPY::OFFS
@@ -374,8 +374,8 @@ setup:
lda (ptr3),y
sta ptr2+1 ; To
ldy #EM_COPY::COUNT+1
ldy #EM_COPY::COUNT+1
lda (ptr3),y ; Get number of pages
sta tmp1
rts
rts