Added checksum
This commit is contained in:
Devine Lu Linvega
parent
6884561c77
commit
140529c35e
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@ -0,0 +1,50 @@
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|0100
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;data1a hash emit/long #0a18 DEO
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;data1b hash emit/long #0a18 DEOk DEO
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;data2a hash emit/long #0a18 DEO
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;data2b hash emit/long #0a18 DEOk DEO
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;data3a hash emit/long #0a18 DEO
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;data3b hash emit/long #0a18 DEOk DEO
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;data4a hash emit/long #0a18 DEO
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;data4b hash emit/long #0a18 DEOk DEO
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#010f DEO BRK
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( hash function: run two 16-bit LCGs in parallel )
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( )
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( upper fn: x1=x0*9283+cc ; a is #2443 x0 is #1234 )
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( lower fn: y1=y0*4493+cc ; b is #118d y1 is #abcd )
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@hash ( s* -> x* y* )
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STH2 LIT2 2443 LIT2 1234 ( a* x0* [s*] )
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STH2r LIT2r 118d LIT2r abcd ( a* x0* s* [b* y0*] )
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&loop ( a* x* s* [b* y*] )
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LDAk DUP ?&ok ( a* x* s* c^ [b* y*] )
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POP POP2 NIP2 ( x* [b* y*] )
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STH2r POP2r JMP2r ( x* y* )
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&ok ( a* x* s* c^ [b* y*] )
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DUP STH2 STH2 ( a* x* [b* y* cc* s*] )
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OVR2 MUL2 OVR2r ( a* ax* [b* y* cc* s* cc*] )
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STH2r ADD2 STH2r STH2r ( a* ax+cc* s* cc* [b* y*] )
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OVR2r MUL2r STH2 ADD2r ( a* ax+cc* s* [b* by+cc*] )
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INC2 !&loop ( a* ax+cc s+1* [b* by+cc*] )
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@emit ( n* -> )
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&long SWP2 emit/short
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&short SWP emit/byte
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&byte DUP #04 SFT emit/char
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&char #0f AND DUP #09 GTH #27 MUL ADD #30 ADD #18 DEO JMP2r
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@data1a "abc 00
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@data1b "ebc 00
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@data2a "wigjewigjewigjewigjewigjewigjcncmnbegejgiwejgieg 00
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@data2b "wigjewigjewigjewigjewigjewigjcmcmnbegejgiwejgieg 00
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@data3a "zzjiewgew 00
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@data3b "zzjiewge 00
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@data4a "this 20 "is 20 "a 20 "test 00
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@data4b "this 20 "is 20 "a 20 "test. 00
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@ -0,0 +1,38 @@
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// verified this matches hash.tal for tests
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#include <stdint.h>
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#include <stdio.h>
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uint32_t hash(uint8_t *input) {
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uint16_t x = 0x1234;
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uint16_t y = 0xabcd;
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uint16_t a = 0x2443;
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uint16_t b = 0x118d;
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uint8_t c;
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uint16_t cc;
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while (c = *input) {
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cc = (c << 8) | c;
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x = (x * a) + cc;
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y = (y * b) + cc;
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input++;
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}
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return (x << 16) | y;
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}
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int main(int argc, char **argv) {
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printf("data1a %08x\n", hash("abc"));
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printf("data1b %08x\n", hash("ebc"));
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printf("\n");
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printf("data2a %08x\n", hash("wigjewigjewigjewigjewigjewigjcncmnbegejgiwejgieg"));
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printf("data2b %08x\n", hash("wigjewigjewigjewigjewigjewigjcmcmnbegejgiwejgieg"));
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printf("\n");
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printf("data3a %08x\n", hash("zzjiewgew"));
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printf("data3b %08x\n", hash("zzjiewge"));
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printf("\n");
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printf("data4a %08x\n", hash("this is a test"));
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printf("data4b %08x\n", hash("this is a test."));
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return 0;
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}
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@ -0,0 +1,64 @@
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( usage: uxncli checksum.rom file.bin )
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|10 @Console &vector $2 &read $1 &pad $5 &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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;await-src .Console/vector DEO2
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;dict/input pstr #0a18 DEO
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BRK
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@await-src ( -> )
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.Console/read DEI .src skey
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?on-ready
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BRK
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@on-ready ( -> )
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;src hash plong #0a18 DEO
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#010f DEO
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BRK
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@hash ( filename* -- x* y* )
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.File/name DEO2
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#0001 .File/length DEO2
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#1234 ,&x STR2 #abcd ,&y STR2
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#2443 ,&a STR2 #118d ,&b STR2
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&w
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;&c .File/read DEO2
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.File/success DEI2 #0000 EQU2 ?&end
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[ LIT &c $1 ] DUP DUP2
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[ LIT2 &x $2 ] [ LIT2 &a $2 ] MUL2 ADD2 ,&x STR2
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[ LIT2 &y $2 ] [ LIT2 &b $2 ] MUL2 ADD2 ,&y STR2
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!&w
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&end
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,&x LDR2 ,&y LDR2
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JMP2r
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@scap ( str* -- end* )
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LDAk #00 NEQ [ JMP JMP2r ] &w INC2 LDAk ?&w JMP2r
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@sput ( chr str* -- )
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scap STA JMP2r
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@skey ( key buf -- proc )
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OVR #21 LTH ?&eval #00 SWP sput #00 JMP2r &eval POP2 #01 JMP2r
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@pstr ( str* -- )
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&w LDAk #18 DEO INC2 LDAk ?&w POP2 JMP2r
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@plong ( a* b* -> )
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SWP2 plong/s
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&s SWP plong/b
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&b DUP #04 SFT plong/c
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&c #0f AND DUP #09 GTH #27 MUL ADD #30 ADD #18 DEO JMP2r
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@dict
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&input "Input(.tal): 20 $1
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@ -0,0 +1 @@
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wigjewigjewigjewigjewigjewigjcncmnbegejgiwejgieg
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Binary file not shown.
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@ -0,0 +1 @@
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aabbccddŒ
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@ -0,0 +1,102 @@
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( decompressor )
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|10 @Console &vector $2 &read $1 &pad $5 &write $1 &err $1
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|a0 @File1 &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
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|b0 @File2 &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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@input-size $2
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@src $30
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@ptr $1
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|0100
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(
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@|vectors )
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@ready-src ( -> ) ;&await .Console/vector DEO2 BRK
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&await ( -> ) .Console/read DEI .src skey ?on-ready BRK
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@on-ready ( -> )
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;src decompress
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;mem pstr #0a18 DEO
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( halt ) #010f DEO
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BRK
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@decompress ( str* -- )
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;mem .ptr STZ2
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.File1/name DEO2
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#0001 .input-size STZ2
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&stream
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.input-size LDZ2 .File1/length DEO2
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;&b
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DUP2 .File1/read DEO2
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LDA decompress/run
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.File1/success DEI2 ORA ?&stream
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JMP2r
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&b $1
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&run ( byte -- )
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DUP #80 AND ?&dict
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( literal )
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#00 SWP INC2
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DUP2 .File1/length DEO2
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.ptr LDZ2
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DUP2 .File1/read DEO2
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ADD2 .ptr STZ2
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JMP2r
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&dict ( byte -- )
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#7f AND
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DUP #40 AND ?&dict3
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( byte )
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#00 SWP !&opc
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&dict3 ( byte -- )
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( hb )
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#3f AND
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( lb )
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#0001 .File1/length DEO2
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;&b
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DUP2 .File1/read DEO2
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LDA
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&opc #0004 ADD2
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;&b
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DUP2 .File1/read DEO2
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LDA INC
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© ( length* offset -- )
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#00 SWP #0000 SWP2 SUB2 .ptr LDZ2 ADD2 STH2
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#0000
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&l
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DUP2 STH2kr ADD2 LDA .ptr LDZ2 STH2k STA
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STH2r INC2 .ptr STZ2
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INC2 GTH2k ?&l
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POP2 POP2
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POP2r
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JMP2r
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(
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@|stdlib )
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@pstr ( str* -- ) LDAk ?&w POP2 JMP2r &w LDAk #18 DEO INC2 LDAk ?&w POP2 JMP2r
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@skey ( key buf -- proc ) OVR #21 LTH ?&eval #00 SWP sput #00 JMP2r &eval POP2 #01 JMP2r
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@scap ( str* -- end* ) LDAk ?&w JMP2r &w INC2 LDAk ?&w JMP2r
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@sput ( chr str* -- ) scap INC2k #00 ROT ROT STA STA JMP2r
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@mem
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@ -0,0 +1,118 @@
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( decompressor )
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|10 @Console &vector $2 &read $1 &pad $5 &write $1 &err $1
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|a0 @File1 &vector $2 &success $2 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2
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|b0 @File2 &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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@input-size $2
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@src $30
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@dst $30
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@ptr $1
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|0100
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(
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@|vectors )
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@ready-src ( -> ) ;&await .Console/vector DEO2 BRK
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&await ( -> ) .Console/read DEI .src skey ?ready-dst BRK
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@ready-dst ( -> ) ;&await .Console/vector DEO2 BRK
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&await ( -> ) .Console/read DEI .dst skey ?on-ready BRK
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@on-ready ( -> )
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;src decompress
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;mem pstr #0a18 DEO
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( debug ) #010e DEO
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( halt ) #010f DEO
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BRK
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@decompress ( str* -- )
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;mem .ptr STZ2
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.File1/name DEO2
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#0001 .input-size STZ2
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&stream
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.input-size LDZ2 .File1/length DEO2
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;&b
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DUP2 .File1/read DEO2
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LDA decompress/run
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.File1/success DEI2 ORA ?&stream
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JMP2r
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&b $1
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&run ( byte -- )
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DUP #80 AND ?&dict
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( literal )
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#00 SWP INC2 !do-literal
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&dict ( byte -- )
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#7f AND
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DUP #40 AND ?&dict3
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( 1 byte )
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#00 SWP #0004 ADD2
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( offset )
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;&b .File1/read DEO2
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;&b LDA INC
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!do-copy
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&dict3 ( byte -- )
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( hb )
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#3f AND
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( lb )
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#0001 .File1/length DEO2
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;&b .File1/read DEO2
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;&b LDA #0004 ADD2
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( offset )
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;&b .File1/read DEO2
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;&b LDA INC
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!do-copy
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@do-copy ( length* offset -- )
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#00 SWP #0000 SWP2 SUB2 .ptr LDZ2 ADD2 STH2
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#0000
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&l
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DUP2 STH2kr ADD2 LDA do-append
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INC2 GTH2k ?&l
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POP2 POP2
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POP2r
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JMP2r
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@do-append ( byte -- )
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.ptr LDZ2 STH2k STA
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STH2r INC2 .ptr STZ2
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JMP2r
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@do-literal ( length* -- )
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DUP2 .File1/length DEO2
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.ptr LDZ2
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DUP2 .File1/read DEO2
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ADD2 .ptr STZ2
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JMP2r
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(
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@|stdlib )
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@pstr ( str* -- ) LDAk ?&w POP2 JMP2r &w LDAk #18 DEO INC2 LDAk ?&w POP2 JMP2r
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@skey ( key buf -- proc ) OVR #21 LTH ?&eval #00 SWP sput #00 JMP2r &eval POP2 #01 JMP2r
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@scap ( str* -- end* ) LDAk ?&w JMP2r &w INC2 LDAk ?&w JMP2r
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@sput ( chr str* -- ) scap INC2k #00 ROT ROT STA STA JMP2r
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@mem
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@ -0,0 +1 @@
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aabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaabbccddaab
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