uxn-utils/cli/arvelie/arvelie.tal

202 lines
3.2 KiB
Tal

|10 @Console &vector $2 &read $1 &pad $4 &type $1 &write $1 &error $1
|c0 @DateTime &year $2 &month $1 &day $1 &hour $1 &minute $1 &second $1 &dotw $1 &doty $2 &isdst $1
|0000
@buf
|0100 ( -> )
.Console/type DEI ?on-params
( today )
.DateTime/doty DEI2 .DateTime/year DEI2 emit-arv #0a18 DEO
#800f DEO
BRK
(
@|vectors )
@on-params ( -> )
;on-console .Console/vector DEO2
BRK
@on-console ( -> )
.Console/read DEI
DUP #21 LTH ?&validate
.buf zput
BRK
&validate ( c -> )
POP
.buf parse
BRK
(
@|core )
@parse ( ztr -- )
DUP zlen #05 EQU ?&on-arvgre
DUP zlen #0a EQU ?&on-grearv
#1234 phex #0a18 DEO
( error )
pztr #0a18 DEO
#010f DEO
JMP2r
&on-arvgre ( ztr -- )
( month ) INCk INC LDZk LIT "A SUB #00 SWP #000e MUL2 STH2
( date ) INC LDZ2 bytedec STH2r ADD2 INC2
( year ) ROT LDZ2 bytedec #07d6 ADD2
emit-gre
#800f DEO
JMP2r
&on-grearv ( ztr -- )
( year )
STHk LDZ2 bytedec #0064 MUL2 INCr INCr
STHkr LDZ2 bytedec ADD2 INCr INCr INCr
DUP2
( month )
STHkr LDZ2 bytedec INCr INCr INCr
( day )
STHr LDZ2 bytedec #0001 SUB2
doty SWP2 emit-arv #0a18 DEO
#800f DEO
JMP2r
@emit-gre ( doty* year* -- )
DUP2 pdec LIT "- #18 DEO
,&y STR2
STH2
#0c00
&l
DUP [ LIT2 &y $2 ] ROT diam #00 SWP
DUP2 STH2kr GTH2 ?&skip
STH2k SUB2r !&continue
&skip
POP2 !&end
&continue
POP2
INC GTHk ?&l
&end
NIP INC emit-dec LIT "- #18 DEO STH2r NIP emit-dec #0a18 DEO
JMP2r
@emit-arv ( doty* year* -- )
#07d6 SUB2 NIP
( digit1 ) DUP #0a DIV emit-num
( digit2 ) #0a [ DIVk MUL SUB ] emit-num
( month ) DUP2 #000e DIV2 NIP #11 ADD emit-num
( digit3 ) #000e [ DIV2k MUL2 SUB2 ] DUP2 #000a DIV2 NIP emit-num
( digit4 ) #000a [ DIV2k MUL2 SUB2 ] NIP
( >> )
@emit-num ( num -- )
LIT "0 ADD #18 DEO
JMP2r
@emit-dec ( byte -- )
DUP #0a DIV emit-num
#0a DIVk MUL SUB emit-num
JMP2r
(
@|utils )
@doty ( year* month* day* -- doty* )
ROT2 ,&y STR2
LIT2r 0000
SWP2 NIP #01 SUB #00
&l
#00 OVR [ LIT2 &y $2 ] ROT diam STH2 ADD2r
INC GTHk ?&l
POP2
STH2r ADD2
JMP2r
@diam ( year* month -- days )
#00 OVR ;&m ADD2 LDA
SWP #01 NEQ ?&no-feb
STH DUP2 is-leap-year STHr ADD
&no-feb
NIP NIP
JMP2r
&m [ 1f 1c 1f 1e 1f 1e 1f 1f 1e 1f 1e 1f ]
@is-leap-year ( year* -- bool )
( leap year if perfectly divisible by 400 )
DUP2 #0190 ( MOD2 ) DIV2k MUL2 SUB2 #0000 EQU2 ?&leap
( not a leap year if divisible by 100, but not divisible by 400 )
DUP2 #0064 ( MOD2 ) DIV2k MUL2 SUB2 #0000 EQU2 ?&not-leap
( leap year if not divisible by 100, but divisible by 4 )
#0003 AND2 #0000 EQU2
JMP2r
&not-leap
POP2 #00
JMP2r
&leap
POP2 #01
JMP2r
@bytedec ( byte -- dec* )
LIT "0 SUB SWP LIT "0 SUB #0a MUL ADD #00 SWP
JMP2r
(
@|stdlib )
@zlen ( ztr -- len ) DUP zcap SWP SUB JMP2r
@zcap ( ztr -- end ) LDZk ?&w JMP2r &w INC LDZk ?&w JMP2r
@zput ( c ztr -- ) zcap STZ JMP2r
@pztr ( ztr -- ) LDZk ?&w JMP2r &w LDZk #18 DEO INC LDZk ?&w POP JMP2r
@phex ( short* -- ) SWP phex/b &b DUP #04 SFT phex/c &c #0f AND DUP #09 GTH #27 MUL ADD #30 ADD #18 DEO JMP2r
@pdec ( v* -- )
#00 ,&z STR
#2710 ,&parse JSR
#03e8 ,&parse JSR
#0064 ,&parse JSR
#000a ,&parse JSR
NIP
&emit
DUP [ LIT &z $1 ] EQU ,&skip JCN
#ff ,&z STR DUP #30 ADD #18 DEO
&skip
POP
JMP2r
&parse
DIV2k DUP ,&emit JSR MUL2 SUB2
JMP2r