75 lines
1.4 KiB
Tal
75 lines
1.4 KiB
Tal
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|10 @Console &vector $2 &read $1 &pad $4 &type $1 &write $1 &error $1
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|a0 @File &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
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|0000
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@src $40
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|0100
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@on-reset ( -> )
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;on-console .Console/vector DEO2
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BRK
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@on-console ( -> )
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.Console/read DEI DUP #20 LTH OVR #7f GTH ORA ?{
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;src scap STA
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BRK }
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POP
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( | get size )
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;src scap #0009 SUB2 get-size
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( h ) ;img/height STA
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( w ) ;img/width STA
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( | load data )
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;src .File/name DEO2
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#00 ;img/width LDA #00 ;img/height LDA #30 SFT2 MUL2 .File/length DEO2
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;img/data .File/read DEO2
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#010e DEO
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#010f DEO
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BRK
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@get-size ( 00x00* -- w h )
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DUP2 sbyte #00 EQU ?&cancel
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INC2k INC2 LDA LIT "x NEQ ?&cancel
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INC2k INC2 INC2 sbyte #00 EQU ?&cancel
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( y ) INC2k INC2 INC2 sbyte STH
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( x ) sbyte STHr JMP2r
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&cancel POP2 #0000 JMP2r
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(
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@|stdlib )
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@sbyte ( str* -- byte )
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( hn ) LDAk chex #40 SFT STH INC2
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( ln ) LDA chex STHr ORA JMP2r
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@chex ( c -- val? )
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( dec ) [ LIT "0 ] SUB DUP #09 GTH ?{ JMP2r }
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( hex ) #27 SUB DUP #0f GTH ?{ JMP2r }
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( err ) POP #ff JMP2r
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@slen ( str* -- len* )
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DUP2 scap SWP2 SUB2 JMP2r
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@scap ( str* -- end* )
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LDAk #00 NEQ [ JMP JMP2r ] &w INC2 LDAk ?&w
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JMP2r
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@phex ( short* -- )
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SWP phex/b &b DUP #04 SFT phex/c &c #0f AND DUP #09 GTH #27 MUL ADD #30 ADD #18 DEO
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JMP2r
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@<pstr> ( str* -- )
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&w ( -- )
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LDAk #18 DEO
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INC2 LDAk ?&w
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POP2 JMP2r
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(
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@|memory )
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@img &size &width $1
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&height $1
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&data
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