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Merge branch 'master' into popptr1

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This commit is contained in:
Irgendwer
2018-05-21 13:33:14 +02:00
committed by GitHub
parent 839aa93198 a795a27689
commit 32bbacbb78
321 changed files with 9563 additions and 2667 deletions
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6
libsrc/cbm/c_untlk.s
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@@ -1,11 +1,11 @@
;
; Ullrich von Bassewitz, 03.06.1999
;
; void cbm_untlk (void);
; void cbm_k_untlk (void);
;
.export _cbm_untlk
.export _cbm_k_untlk
.import UNTLK
_cbm_untlk = UNTLK
_cbm_k_untlk = UNTLK

2
libsrc/cbm/close.s
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@@ -40,7 +40,7 @@
lda #LFN_CLOSED
sta fdtab,x
lda tmp2 ; Get the handle
txa ; Get handle
clc
adc #LFN_OFFS ; Make LFN from handle
jsr CLOSE

53
libsrc/cbm/cpeekc.s Normal file
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@@ -0,0 +1,53 @@
;
; 2016-02-28, Groepaz
; 2017-06-22, Greg King
;
; char cpeekc (void);
;
.export _cpeekc
; Get a system-specific file.
; Note: The cbm610, and c128 targets need special
; versions that handle RAM banking and the 80-column VDC.
.if .def(__C16__)
.include "plus4.inc" ; both C16 and Plus4
.elseif .def(__C64__)
.include "c64.inc"
.elseif .def(__CBM510__)
.import CURS_X: zp, SCREEN_PTR: zp
.include "cbm510.inc"
.elseif .def(__PET__)
.include "pet.inc"
.elseif .def(__VIC20__)
.include "vic20.inc"
.endif
_cpeekc:
ldy CURS_X
lda (SCREEN_PTR),y ; get screen code
ldx #>$0000
and #<~$80 ; remove reverse bit
; Convert the screen code into a PetSCII code.
; $00 - $1F: +$40
; $20 - $3F
; $40 - $5f: +$20
; $60 - $7F: +$40
cmp #$20
bcs @sk1 ;(bge)
ora #$40
rts
@sk1: cmp #$40
bcc @end ;(blt)
cmp #$60
bcc @sk2 ;(blt)
;sec
adc #$20 - $01
@sk2: ;clc ; both above cmp and adc clear carry flag
adc #$20
@end: rts

28
libsrc/cbm/cpeekcolor.s Normal file
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@@ -0,0 +1,28 @@
;
; 2016-02-28, Groepaz
; 2017-06-22, Greg King
;
; unsigned char cpeekcolor (void);
;
.export _cpeekcolor
; Get a system-specific file.
; Note: The cbm510, cbm610, c128, and Pet targets need special
; versions that handle RAM banking, the 80-column VDC, and monochrome.
.if .def(__C16__)
.include "plus4.inc" ; both C16 and Plus4
.elseif .def(__C64__)
.include "c64.inc"
.elseif .def(__VIC20__)
.include "vic20.inc"
.endif
_cpeekcolor:
ldy CURS_X
lda (CRAM_PTR),y ; get color
and #$0F
ldx #>$0000
rts

35
libsrc/cbm/cpeekrevers.s Normal file
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@@ -0,0 +1,35 @@
;
; 2016-02-28, Groepaz
; 2017-06-15, Greg King
;
; unsigned char cpeekrevers (void);
;
.export _cpeekrevers
; Get a system-specific file.
; Note: The cbm610, and c128 targets need special
; versions that handle RAM banking and the 80-column VDC.
.if .def(__C16__)
.include "plus4.inc" ; both C16 and Plus4
.elseif .def(__C64__)
.include "c64.inc"
.elseif .def(__CBM510__)
.import CURS_X: zp, SCREEN_PTR: zp
.include "cbm510.inc"
.elseif .def(__PET__)
.include "pet.inc"
.elseif .def(__VIC20__)
.include "vic20.inc"
.endif
_cpeekrevers:
ldy CURS_X
lda (SCREEN_PTR),y ; get screen code
and #$80 ; get reverse bit
asl a
tax ; ldx #>$0000
rol a ; return boolean value
rts

93
libsrc/cbm/cpeeks.s Normal file
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@@ -0,0 +1,93 @@
;
; 2017-07-05, Greg King
;
; void cpeeks (char* s, unsigned length);
;
.export _cpeeks
.import popax
.importzp ptr1, ptr2, ptr3, tmp1, tmp2
.macpack generic
; Get a system-specific file.
; Note: The cbm610, and c128 targets need special
; versions that handle RAM banking and the 80-column VDC.
.if .def(__C16__)
.include "plus4.inc" ; both C16 and Plus4
.elseif .def(__C64__)
.include "c64.inc"
.elseif .def(__CBM510__)
.import CURS_X: zp, SCREEN_PTR: zp
.include "cbm510.inc"
.elseif .def(__PET__)
.include "pet.inc"
.elseif .def(__VIC20__)
.include "vic20.inc"
.endif
_cpeeks:
eor #<$FFFF ; counting a word upward is faster
sta ptr3 ; so, we use -(length + 1)
txa
eor #>$FFFF
sta ptr3+1
lda SCREEN_PTR
ldx SCREEN_PTR+1
sta ptr2
stx ptr2+1
ldy CURS_X
sty tmp2
jsr popax
sta tmp1 ; (will be a .Y index)
stx ptr1+1
ldx #<$0000
stx ptr1
bze L3 ; branch always
L4: ldy tmp2
lda (ptr2),y ; get char
iny
bnz L2
inc ptr2+1
L2: sty tmp2
and #<~$80 ; remove reverse bit
; Convert the screen code into a PetSCII code.
; $00 - $1F: +$40
; $20 - $3F
; $40 - $5f: +$20
; $60 - $7F: +$40
cmp #$20
blt @sk1 ;(bcc)
cmp #$40
blt L5
cmp #$60
blt @sk2 ;(bcc)
clc
@sk1: adc #$20
@sk2: ;clc ; both above cmp and adc clear carry flag
adc #$20
L5: ldy tmp1
sta (ptr1),y
iny
bnz L1
inc ptr1+1
L1: sty tmp1
L3: inc ptr3 ; count length
bnz L4
inc ptr3+1
bnz L4
txa ; terminate the string
ldy tmp1
sta (ptr1),y
rts

4
libsrc/cbm/open.s
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@@ -2,10 +2,6 @@
; Ullrich von Bassewitz, 16.11.2002
;
; int open (const char* name, int flags, ...); /* May take a mode argument */
;
; Be sure to keep the value priority of closeallfiles lower than that of
; closeallstreams (which is the high level C file I/O counterpart and must be
; called before closeallfiles).
.export _open