A2osX/SYS/KERNEL.S.TIME.txt

628 lines
12 KiB
Plaintext
Raw Normal View History

PR#3
PREFIX /A2OSX.BUILD
LOMEM $A00
INC 1
AUTO 6
*--------------------------------------
2016-08-31 15:38:48 +00:00
* https://www.cise.ufl.edu/~cop4600/cgi-bin/lxr/http/source.cgi/lib/ansi/gmtime.c
*--------------------------------------
2016-08-31 15:38:48 +00:00
SECSDAY .EQ 86400 60*60*24
CENTURY0 .EQ 19
YEAR0 .EQ 70
DAY0 .EQ 4 day 0 was a thursday
*/--------------------------------------
* # Time.YA
* Get System Time in Buffer
* ## In :
* Y,A = PTR to S.TIME
* ## Out :
* S.TIME filled with System date/time
*\--------------------------------------
K.Time.YA >STYA ZPPtr2
>MLICALL MLIGETTIME
>LDYAI DATELO
2017-01-12 17:43:45 +00:00
>STYA ZPPtr1
bra TIME.PTime2TimeP1P2
*/--------------------------------------
* # PTime2Time
* Convert ProDOS Time To S.TIME
* ## In :
* PUSHW = Dst PTR To S.TIME
* PUSHW = Src PTR to ProDOS DATE/TIME (DWORD)
*\--------------------------------------
2017-10-27 14:56:46 +00:00
K.PTime2Time jsr PullP1P2
TIME.PTime2TimeP1P2
ldy #1
2017-01-12 17:43:45 +00:00
lda (ZPPtr1),y Get Year
lsr C is high bit of month
2016-09-21 15:20:37 +00:00
ldy #S.Time.YEAR
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y set year
2016-09-21 15:20:37 +00:00
sta K.CTime.Year for conputing Century/WDAY later
2017-01-12 17:43:45 +00:00
lda (ZPPtr1) Get Month/day
pha save Day
ror
lsr
lsr
lsr
lsr
2016-09-21 15:20:37 +00:00
ldy #S.Time.MONTH
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y set month
pla get back day
and #$1F
iny
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y set day
2016-09-21 15:20:37 +00:00
lda K.CTime.Year get back year
cmp #69 if before 70 CC,if > 70, CS
lda #0
rol get back C in bit 0
eor #1 toggle C
adc #19 set date before 1970 -> 20xx
2017-01-12 17:43:45 +00:00
sta (ZPPtr2) set Century
2016-09-21 15:20:37 +00:00
sta K.CTime.Century for conputing WDAY later
ldy #2
2017-01-12 17:43:45 +00:00
lda (ZPPtr1),y Get Min
tax
iny
2017-01-12 17:43:45 +00:00
lda (ZPPtr1),y Get Hour
2016-09-21 15:20:37 +00:00
ldy #S.Time.HOUR
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y set hour
iny
txa
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y set min
iny
lda #0
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y set seconds (ProDOS does not provide it)
* 1/1/1970 was Thursday...if not leap, add one, if leap add 2
2016-09-21 15:20:37 +00:00
K.ComputeWDAY lda #3 Thursday : 4 (-1 for mod 7)
pha
lda #19
2016-09-21 15:20:37 +00:00
sta K.CTime.DWORD
lda #70
2016-09-21 15:20:37 +00:00
sta K.CTime.DWORD+1
2016-09-21 15:20:37 +00:00
.1 ldy K.CTime.DWORD
lda K.CTime.DWORD+1
2016-09-21 15:20:37 +00:00
cpy K.CTime.Century
bne .2
2016-09-21 15:20:37 +00:00
cmp K.CTime.Year
beq .4
.2 jsr TIME.IsLeapYearYA CC = Leap
lda #0
rol
eor #1
lsr
pla
adc #1
cmp #7
bcc .3
sbc #7 MOD 7
.3 pha
2016-09-21 15:20:37 +00:00
inc K.CTime.DWORD+1
lda K.CTime.DWORD+1
cmp #100
bne .1
lda #0
2016-09-21 15:20:37 +00:00
sta K.CTime.DWORD+1
inc K.CTime.DWORD
bra .1
2016-09-21 15:20:37 +00:00
.4 ldy #S.Time.MONTH
2017-01-12 17:43:45 +00:00
lda (ZPPtr2),y get month
tax
2016-09-21 15:20:37 +00:00
.5 lda K.StrFTime.MDAY-1,x get day count in this month
bne .6 february ?
2016-09-21 15:20:37 +00:00
ldy K.CTime.Century
lda K.CTime.Year
jsr TIME.IsLeapYearYA CC = Leap
lda #0
rol
eor #1
lsr
.6 pla
2016-09-21 15:20:37 +00:00
adc K.StrFTime.MDAY-1,x
cmp #7
bcc .7
sbc #7
.7 pha
dex
bne .5
pla
2016-09-21 15:20:37 +00:00
ldy #S.Time.DAY
2017-01-12 17:43:45 +00:00
adc (ZPPtr2),y get month (1..31)
dec adjust range 0.31 for MOD 7
.8 cmp #7 MOD 7
bcc .80
sbc #7
bra .8
.80 inc adjust range 1..7
2016-09-21 15:20:37 +00:00
ldy #S.Time.WDAY
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y
clc
rts
*/--------------------------------------
* # CTime2Time
* Convert CTIME to S.TIME
* ## In :
* PUSHW = Dst PTR To S.TIME
* PUSHW = Src CTIME DWORD
*\--------------------------------------
2017-10-27 14:56:46 +00:00
K.CTime2Time jsr PullP1P2
2016-08-31 15:38:48 +00:00
ldy #3
2017-01-12 17:43:45 +00:00
.1 lda (ZPPtr1),y
2016-09-21 15:20:37 +00:00
sta K.CTime.DWORD,y
2016-08-31 15:38:48 +00:00
dey
bpl .1
2016-09-21 15:20:37 +00:00
stz K.CTime.DivDay
stz K.CTime.DivDay+1
2016-08-31 15:38:48 +00:00
2016-09-21 15:20:37 +00:00
.2 lda K.CTime.DWORD
sta K.CTime.ModDay
2016-08-31 15:38:48 +00:00
sec
sbc #SECSDAY
pha
2016-09-21 15:20:37 +00:00
lda K.CTime.DWORD+1
sta K.CTime.ModDay+1
2016-08-31 15:38:48 +00:00
sbc /SECSDAY
pha
2016-09-21 15:20:37 +00:00
lda K.CTime.DWORD+2
sta K.CTime.ModDay+2
2016-08-31 15:38:48 +00:00
sbc #0
pha
2016-09-21 15:20:37 +00:00
lda K.CTime.DWORD+3
2016-08-31 15:38:48 +00:00
sbc #0
bcc .3 end of DIV/MOD ?
2016-09-21 15:20:37 +00:00
sta K.CTime.DWORD+3
ldx #2
.21 pla
sta K.CTime.DWORD,x
dex
bpl .21
2016-08-31 15:38:48 +00:00
2016-09-21 15:20:37 +00:00
inc K.CTime.DivDay
2016-08-31 15:38:48 +00:00
bne .2
2016-09-21 15:20:37 +00:00
inc K.CTime.DivDay+1
2016-08-31 15:38:48 +00:00
bne .2
.3 pla
pla
pla
2016-09-21 15:20:37 +00:00
stz K.CTime.Div60
stz K.CTime.Div60+1
2016-08-31 15:38:48 +00:00
2016-09-21 15:20:37 +00:00
.4 lda K.CTime.ModDay
sta K.CTime.Mod
2016-08-31 15:38:48 +00:00
sec
sbc #60
pha
2016-09-21 15:20:37 +00:00
lda K.CTime.ModDay+1
2016-08-31 15:38:48 +00:00
sbc #0
pha
2016-09-21 15:20:37 +00:00
lda K.CTime.ModDay+2
2016-08-31 15:38:48 +00:00
sbc #0
bcc .5
2016-09-21 15:20:37 +00:00
sta K.CTime.ModDay+2
2016-08-31 15:38:48 +00:00
pla
2016-09-21 15:20:37 +00:00
sta K.CTime.ModDay+1
2016-08-31 15:38:48 +00:00
pla
2016-09-21 15:20:37 +00:00
sta K.CTime.ModDay
2016-08-31 15:38:48 +00:00
2016-09-21 15:20:37 +00:00
inc K.CTime.Div60
2016-08-31 15:38:48 +00:00
bne .4
2016-09-21 15:20:37 +00:00
inc K.CTime.Div60+1
2016-08-31 15:38:48 +00:00
bne .4
.5 pla
pla
2016-09-21 15:20:37 +00:00
lda K.CTime.Mod
ldy #S.Time.SECOND
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y
2016-08-31 15:38:48 +00:00
2016-09-21 15:20:37 +00:00
stz K.CTime.Div3600
2016-08-31 15:38:48 +00:00
2016-09-21 15:20:37 +00:00
.6 lda K.CTime.Div60
sta K.CTime.Mod
2016-08-31 15:38:48 +00:00
sec
sbc #60
pha
2016-09-21 15:20:37 +00:00
lda K.CTime.Div60+1
2016-08-31 15:38:48 +00:00
sbc #0
pha
bcc .7
2016-09-21 15:20:37 +00:00
sta K.CTime.Div60+1
2016-08-31 15:38:48 +00:00
pla
2016-09-21 15:20:37 +00:00
sta K.CTime.Div60
2016-08-31 15:38:48 +00:00
2016-09-21 15:20:37 +00:00
inc K.CTime.Div3600
2016-08-31 15:38:48 +00:00
bne .6
.7 pla
2016-09-21 15:20:37 +00:00
lda K.CTime.Mod
dey ldy #S.Time.MINUTE
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y
2016-08-31 15:38:48 +00:00
2016-09-21 15:20:37 +00:00
lda K.CTime.Div3600
dey ldy #S.Time.HOUR
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y
2016-08-31 15:38:48 +00:00
2016-09-21 15:20:37 +00:00
lda K.CTime.DivDay WDAY computation : (DivDay + DAY0) mod 7
clc
2016-08-31 15:38:48 +00:00
adc #DAY0
pha
2016-09-21 15:20:37 +00:00
lda K.CTime.DivDay+1
2016-08-31 15:38:48 +00:00
adc /DAY0
eor #$ff
tax
pla
2016-09-21 15:20:37 +00:00
.8 sta K.CTime.Mod
2016-08-31 15:38:48 +00:00
sec
sbc #7
bcs .8
inx
bne .8
2016-09-21 15:20:37 +00:00
lda K.CTime.Mod
ldy #S.Time.WDAY
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y
2016-08-31 15:38:48 +00:00
lda #CENTURY0
2016-09-21 15:20:37 +00:00
sta K.CTime.Century
2016-08-31 15:38:48 +00:00
lda #YEAR0
2016-09-21 15:20:37 +00:00
sta K.CTime.Year
2016-09-02 06:09:44 +00:00
2016-09-21 15:20:37 +00:00
K.CTime2Time.Year
.1 ldy K.CTime.Century
lda K.CTime.Year
jsr TIME.IsLeapYearYA if Leap year CC
2016-09-21 15:20:37 +00:00
lda K.CTime.DivDay
2016-09-01 05:42:28 +00:00
sbc #365
pha
2016-09-21 15:20:37 +00:00
lda K.CTime.DivDay+1
2016-09-01 05:42:28 +00:00
sbc /365
2016-09-02 06:09:44 +00:00
bcc .2
2016-08-31 15:38:48 +00:00
2016-09-21 15:20:37 +00:00
sta K.CTime.DivDay+1
2016-09-01 05:42:28 +00:00
pla
2016-09-21 15:20:37 +00:00
sta K.CTime.DivDay
2016-09-01 05:42:28 +00:00
2016-09-21 15:20:37 +00:00
inc K.CTime.Year
lda K.CTime.Year
2016-09-01 05:42:28 +00:00
cmp #100
2016-09-02 06:09:44 +00:00
bne .1
2016-09-21 15:20:37 +00:00
stz K.CTime.Year
inc K.CTime.Century
2016-09-02 06:09:44 +00:00
bne .1
2016-09-01 05:42:28 +00:00
2016-09-02 06:09:44 +00:00
.2 pla
2016-09-21 15:20:37 +00:00
lda K.CTime.Century
* ldy #S.Time.CENTURY
2017-01-12 17:43:45 +00:00
sta (ZPPtr2)
2016-09-21 15:20:37 +00:00
ldy #S.Time.YEAR
lda K.CTime.Year
2017-01-12 17:43:45 +00:00
sta (ZPPtr2),y
2016-09-01 05:42:28 +00:00
2016-09-02 06:09:44 +00:00
clc
rts
2016-09-01 05:42:28 +00:00
*--------------------------------------
* In :
* Y = Century
* A = Year (0..99)
2016-09-01 05:42:28 +00:00
* if (year mod 400 = 0)
* or
* if not (year mod 100 = 0) and (year mod 4 = 0)
* Out :
* CC = Leap
* CS = Not Leap
2016-08-31 15:38:48 +00:00
*--------------------------------------
TIME.IsLeapYearYA
cmp #0 Year = 00 ?
2016-09-01 05:42:28 +00:00
bne .1 no
tya year = 00, get century in a
and #$3 mod 4 = 0 ?
beq .9 leap year
.8 sec not leap
rts
2016-08-31 15:38:48 +00:00
2016-09-01 05:42:28 +00:00
.1 and #$3 mod 4 = 0 ?
bne .8
.9 clc Leap
2016-08-31 15:38:48 +00:00
rts
*--------------------------------------
K.StrFTime.MDAY .DA #3,#0,#3,#2,#3,#2,#3,#3,#2,#3,#2,#3
2016-09-21 15:20:37 +00:00
K.CTime.DWORD .BS 4
K.CTime.DivDay .BS 2
K.CTime.ModDay .BS 3
K.CTime.Div60 .BS 2
K.CTime.Div3600 .BS 1
K.CTime.Mod .BS 1
K.CTime.Century .BS 1
K.CTime.Year .BS 1
*/--------------------------------------
* # StrFTime
* Convert S.TIME struct to CSTR
* ## In:
* PUSHW = Dst PTR To CSTR Buf
* PUSHW = Src PTR To Format String
* %a : Abbreviated weekday name : Thu
* %A : Full weekday name : Thursday
* %b : Abbreviated month name : Aug
* %B : Full month name : August
* %d : Day of the month, zero-padded (01-31)
* %H : Hour in 24h format (00-23) 14
* %I : Hour in 12h format (01-12) 02
* %m : Month as a decimal number (01-12) 08
* %M : Minute (00-59) 55
* %p : AM or PM designation PM
* %S : Second (00-61) 02
* %w : Weekday as a decimal number with Sunday as 0 (0-6)
* %y : Year, last two digits (00-99)
* %Y : Year four digits 2001
* PUSHW = Src PTR To S.Time
* ## Out:
* none. always succeed.
*\--------------------------------------
2017-10-27 14:56:46 +00:00
K.StrFTime jsr PullP1P2P3
ldy #0
.1 lda (ZPPtr2),y
beq .8
iny
cmp #'%'
beq .2
jsr K.StrFTime.addChar
bra .1
.2 ldx #K.StrFTime.JMPL-K.StrFTime.Tbl-1
lda (ZPPtr2),y
beq .8
iny
.3 cmp K.StrFTime.Tbl,x
beq .4
dex
bpl .3
bra .1
.4 lda K.StrFTime.JMPL,x
sta .5+1
lda K.StrFTime.JMPH,x
sta .5+2
phy
.5 jsr $ffff
ply
bra .1
.8 lda #0 Terminate C string
sta (ZPPtr3)
rts
*--------------------------------------
K.StrFTime.TBL .AS "aAbBdHImMpSwyY"
K.StrFTime.JMPL .DA #K.StrFTime.A
.DA #K.StrFTime.AA
.DA #K.StrFTime.B
.DA #K.StrFTime.BB
.DA #K.StrFTime.D
.DA #K.StrFTime.HH
.DA #K.StrFTime.II
.DA #K.StrFTime.M
.DA #K.StrFTime.MM
.DA #K.StrFTime.P
.DA #K.StrFTime.SS
.DA #K.StrFTime.W
.DA #K.StrFTime.Y
.DA #K.StrFTime.YY
*--------------------------------------
K.StrFTime.JMPH .DA /K.StrFTime.A
.DA /K.StrFTime.AA
.DA /K.StrFTime.B
.DA /K.StrFTime.BB
.DA /K.StrFTime.D
.DA /K.StrFTime.HH
.DA /K.StrFTime.II
.DA /K.StrFTime.M
.DA /K.StrFTime.MM
.DA /K.StrFTime.P
.DA /K.StrFTime.SS
.DA /K.StrFTime.W
.DA /K.StrFTime.Y
.DA /K.StrFTime.YY
*--------------------------------------
K.StrFTime.A ldx #3 Short day of week, 3 chars...
.HS 2C Bit abs
K.StrFTime.AA ldx #15 full DoW
>LDYAI K.StrFTime.DAY
>STYA ZPPtr4
ldy #S.Time.WDAY
bra K.StrFTime.STR
K.StrFTime.B ldx #3 Short Month, 3 chars....
.HS 2C Bit abs
K.StrFTime.BB ldx #15 full Month....
>LDYAI K.StrFTime.MON
>STYA ZPPtr4
ldy #S.Time.MONTH
K.StrFTime.STR lda (ZPPtr1),y get required S.Time field value
tay
beq .9 Illegal value
.1 dey range 0..x
beq .2
lda (ZPPtr4)
sec
adc ZPPtr4
sta ZPPtr4
bcc .1
inc ZPPtr4+1
bra .1
.2 ldy #0
.3 iny
lda (ZPPtr4),y
phy
jsr K.StrFTime.addChar
pla
cmp (ZPPtr4)
beq .8
tay
dex
bne .3
.8 rts
.9 ldx #3
lda #'?'
.99 jsr K.StrFTime.addChar
dex
bne .99
rts
*--------------------------------------
K.StrFTime.D ldy #S.Time.DAY
bra K.StrFTime.addDecPtr1Y
K.StrFTime.HH ldy #S.Time.HOUR
bra K.StrFTime.addDecPtr1Y
K.StrFTime.II ldy #S.Time.HOUR
lda (ZPPtr1),y
cmp #12
bcc .1
sbc #12
.1 bra K.StrFTime.addDecA
K.StrFTime.M ldy #S.Time.MONTH
bra K.StrFTime.addDecPtr1Y
K.StrFTime.MM ldy #S.Time.MINUTE
bra K.StrFTime.addDecPtr1Y
K.StrFTime.P ldy #S.Time.HOUR
lda (ZPPtr1),y
cmp #12
bcc .1
lda #'p'
.HS 2C bit abs
.1 lda #'a'
jsr K.StrFTime.addChar
lda #'m'
bra K.StrFTime.addChar
K.StrFTime.SS ldy #S.Time.SECOND
bra K.StrFTime.addDecPtr1Y
K.StrFTime.W ldy #S.Time.WDAY
bra K.StrFTime.addDecPtr1Y
K.StrFTime.YY ldy #S.Time.CENTURY
jsr K.StrFTime.addDecPtr1Y
K.StrFTime.Y ldy #S.Time.YEAR
*--------------------------------------
K.StrFTime.addDecPtr1Y
lda (ZPPtr1),y
K.StrFTime.addDecA
sta K.StrFTime.BIN
stz K.StrFTime.DEC
sed
ldx #8
.1 asl K.StrFTime.BIN
lda K.StrFTime.DEC
adc K.StrFTime.DEC
sta K.StrFTime.DEC
dex
bne .1
cld
* lda K.StrFTime.DEC already in A
pha
lsr
lsr
lsr
lsr
ora #$30
jsr K.StrFTime.addChar
pla
and #$0f
ora #$30
*--------------------------------------
K.StrFTime.addChar
sta (ZPPtr3)
inc ZPPtr3
bne .8
inc ZPPtr3+1
.8 rts
*--------------------------------------
K.StrFTime.DAY >PSTR "Monday"
>PSTR "Tuesday"
>PSTR "Wednesday"
>PSTR "Thursday"
>PSTR "Friday"
>PSTR "Saturday"
>PSTR "Sunday"
*--------------------------------------
K.StrFTime.MON >PSTR "January"
>PSTR "February"
>PSTR "March"
>PSTR "April"
>PSTR "May"
>PSTR "June"
>PSTR "July"
>PSTR "August"
>PSTR "September"
>PSTR "October"
>PSTR "November"
>PSTR "December"
*--------------------------------------
K.StrFTime.BIN .BS 1
K.StrFTime.DEC .BS 1 always < 100
*--------------------------------------
MAN
SAVE /A2OSX.SRC/SYS/KERNEL.S.TIME
LOAD /A2OSX.SRC/SYS/KERNEL.S
ASM