mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-09-10 08:54:51 +00:00
chiptune_ update krw decode
lz4 is taking 0.6s!
This commit is contained in:
parent
f3b7a21ce2
commit
b6e4b5ac8c
@ -8,13 +8,14 @@ static unsigned char input[MAX_INPUT];
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#define LZ4_BUFFER 0x2000
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#define LZ4_BUFFER 0x2000
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#define ORGOFFSET 0x6000
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#define ORGOFFSET 0x6000
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#define src 0x0
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#define dst 0x2
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#define end 0x4
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#define end 0x4
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#define count 0x6
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#define delta 0x8
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#define LZ4_SRC 0x00
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#define LZ4_DST 0x02
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#define LZ4_END 0x04
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#define COUNT 0x06
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#define DELTA 0x08
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#define CH 0x24
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#define CH 0x24
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#define CV 0x25
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#define CV 0x25
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@ -22,249 +23,221 @@ static unsigned char input[MAX_INPUT];
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#define OUTL 0xFE
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#define OUTL 0xFE
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#define OUTH 0xFF
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#define OUTH 0xFF
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static int cycles;
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static void getsrc(void) {
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static void getsrc(void) {
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//getsrc:
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//getsrc:
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a=ram[y_indirect(src,y)]; // lda (src), y
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a=ram[y_indirect(LZ4_SRC,y)]; cycles+=5; // lda (LZ4_SRC), y
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ram[LZ4_SRC]++; cycles+=5; //inc LZ4_SRC
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printf("LOAD %02X%02X: %02X\n",ram[src+1],ram[src],a);
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cycles+=2;
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if (ram[LZ4_SRC]!=0) {
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ram[src]++; //inc src
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cycles+=1;
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if (ram[src]!=0) goto done_getsrc; //bne +
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goto done_getsrc; //bne +
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ram[src+1]++; //inc src+1
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}
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done_getsrc: ;
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ram[LZ4_SRC+1]++; cycles+=5; //inc LZ4_SRC+1
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done_getsrc:
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cycles+=6;
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//+ rts
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//+ rts
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}
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}
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void buildcount(void) {
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void buildcount(void) {
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printf("\tBUILDCOUNT: A=0x%x\n",a);
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//buildcount:
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//buildcount:
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x=1; // ?? // ldx #1
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x=1; cycles+=2; // ?? // ldx #1
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ram[count+1]=x; // ?? // stx count+1
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ram[COUNT+1]=x; cycles+=3; // ?? // stx COUNT+1
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cmp(0xf); // if 15, more complicated // cmp #$0f
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cmp(0xf); cycles+=2; // if 15, more complicated // cmp #$0f
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if (z==0) goto done_buildcount; // otherwise A is count // bne ++
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cycles+=2;
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if (z==0) {
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cycles+=1;
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goto done_buildcount; // otherwise A is count // bne ++
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}
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buildcount_loop:
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buildcount_loop:
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ram[count]=a; //- sta count
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ram[COUNT]=a; cycles+=3; //- sta count
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// printf("MBC ");
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getsrc(); cycles+=6; //jsr getsrc
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getsrc(); //jsr getsrc
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x=a; cycles+=2; //tax
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printf("\tADDITIONAL BUILDCOUNT 0x%x, adding 0x%x\n",a,ram[count]);
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c=0; cycles+=2; //clc
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x=a; //tax
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adc(ram[COUNT]);cycles+=3; //adc COUNT
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c=0; //clc
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cycles+=2;
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adc(ram[count]); //adc count
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if (c==0) {
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printf("\tGOT 0x%x c=%d\n",a,c);
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cycles+=1;
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if (c==0) goto skip_buildcount; // bcc +
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goto skip_buildcount; // bcc +
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ram[count+1]++; //inc count+1
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}
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ram[COUNT+1]++; cycles+=5; //inc COUNT+1
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skip_buildcount:
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skip_buildcount:
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printf("\tUPDATED COUNT %02X%02X\n",ram[count+1],a);
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x++; cycles+=2; // check if x is 255 //+ inx
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x++; // check if x is 255 //+ inx
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if (x==0) {
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if (x==0) goto buildcount_loop; // if so, add in next byte //beq -
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cycles+=1;
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done_buildcount: ; //++ rts
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goto buildcount_loop; // if so, add in next byte //beq -
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printf("\tBUILDCOUNT= %02X%02X r[c+1]=%02X r[c]=%02X a=%02X x=%02X\n",
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}
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ram[count+1],a,ram[count+1],ram[count],a,x);
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done_buildcount:
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cycles+=6; //++ rts
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}
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}
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static void putdst(void) {
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static void putdst(void) {
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// printf("PUTADDR=%04X\n",y_indirect(dst,y));
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// putdst:
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// putdst:
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ram[y_indirect(LZ4_DST,y)]=a; cycles+=6; // sta (LZ4_DST), y
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ram[y_indirect(dst,y)]=a; // sta (dst), y
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ram[LZ4_DST]++; cycles+=5; // inc LZ4_DST
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if (y!=0) printf("ERROR ERROR ERROR ERROR ERROR\n");
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cycles+=2;
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printf("\t\tPUT: %02X%02X = %02X\n",ram[dst+1],ram[dst],a);
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if (ram[LZ4_DST]!=0) {
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ram[dst]++; // inc dst
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cycles+=1;
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if (ram[dst]!=0) goto putdst_end; // bne +
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goto putdst_end; // bne +
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ram[dst+1]++; // inc dst+1
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}
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ram[LZ4_DST+1]++; cycles+=5; // inc LZ4_DST+1
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putdst_end:;
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putdst_end:;
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//+ rts
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cycles+=6; //+ rts
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}
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}
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static void getput(void) {
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static void getput(void) {
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// getput:
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// getput:
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printf("GP ");
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getsrc(); // jsr getsrc
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getsrc(); // jsr getsrc
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cycles+=6;
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putdst(); // ; fallthrough
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putdst(); // ; fallthrough
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}
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}
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// 202 -> 201 -> 100 -> 1FF
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// 201 -> 100 -> 1FF
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// 200 -> 2ff -> 2fe
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// 1ff -> 1fe
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static void docopy(void) {
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static void docopy(void) {
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printf("\tDOCOPY ENTRY: %02X%02X\n",ram[count+1],x);
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// docopy:
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// docopy:
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docopy_label:
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docopy_label:
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printf("\tDOCOPY %02X%02X: ",ram[count+1],x);
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getput(); cycles+=6; // jsr getput
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getput(); // jsr getput
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x--; cycles+=2; // dex
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x--; // dex
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cycles+=2;
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if (x!=0) goto docopy_label; // bne docopy
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if (x!=0) {
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ram[count+1]--; // dec count+1
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cycles+=1;
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if (ram[count+1]!=0) goto docopy_label; //bne docopy
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goto docopy_label; // bne docopy
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}
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ram[COUNT+1]--; cycles+=5; // dec COUNT+1
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cycles+=2;
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if (ram[COUNT+1]!=0) {
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cycles++;
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goto docopy_label; //bne docopy
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}
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cycles+=6;
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//rts
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//rts
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}
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}
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#define orgoff 0x6000
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int lz4_decode(void) {
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int lz4_decode(void) {
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FILE *fff;
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FILE *fff;
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int size;
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cycles=0;
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short orgoff,paksize,pakoff;
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//LZ4 data decompressor for Apple II
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//LZ4 data decompressor for Apple II
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//Peter Ferrie (peter.ferrie@gmail.com)
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//Peter Ferrie (peter.ferrie@gmail.com)
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// lz4_decode:
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//init = 0 ;set to 1 if you know the values
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a=ram[LZ4_SRC]; cycles+=3; // lda LZ4_SRC
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//hiunp = 0 ;unpacker entirely in high memory
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c=0; cycles+=2; // clc
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//hipak = 0 ;packed data entirely in high memory (requires hiunp)
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adc(ram[LZ4_END]); cycles+=3; // adc LZ4_END
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ram[LZ4_END]=a; cycles+=3; // sta LZ4_END
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a=ram[LZ4_SRC+1]; cycles+=3; // lda LZ4_SRC+1
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adc(ram[LZ4_END+1]); cycles+=3; // adc LZ4_END+1
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ram[LZ4_END+1]=a; cycles+=3; // sta LZ4_END+1
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//oep = 0; //first unpacked byte to run, you must set this by yourself
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a=high(orgoff); cycles+=2; // lda #>orgoff ; original unpacked data offset
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orgoff = ORGOFFSET; //offset of first unpacked byte, you must set this by yourself
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ram[LZ4_DST+1]=a; cycles+=3; // sta LZ4_DST+1
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paksize = size-0xb-8;
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a=low(orgoff); cycles+=2; // lda #<orgoff
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// minus 4 for checksum at end
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ram[LZ4_DST]=a; cycles+=3; // sta LZ4_DST
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// not sure what other 4 is from?
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// block checksum? though had that disabled?
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//size of packed data, you must set this by yourself if hiunp=0
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// printf("packed size: raw=%x, adj=%x\n",size,paksize);
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pakoff = LZ4_BUFFER+11; // 11 byte offset to data?
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printf("packed addr: %02X%02X\n",ram[LZ4_SRC+1],ram[LZ4_SRC]);
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//LCBANK2 = $c083
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//MOVE = $fe2c
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a=(pakoff&0xff); //lda #<pakoff ;packed data offset
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ram[src]=a; //sta src
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a=(pakoff+paksize)&0xff;//lda #<(pakoff+paksize) ;packed data size
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ram[end]=a; // sta end
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a=(pakoff>>8); //lda #>pakoff
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ram[src+1]=a; //sta src+1
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a=(pakoff+paksize)>>8; //lda #>(pakoff+paksize)
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ram[end+1]=a; // sta end+1
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a=(orgoff>>8); //lda #>orgoff ;original unpacked data offset
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ram[dst+1]=a; //sta dst+1
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a=(orgoff&0xff); //lda #<orgoff
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ram[dst]=a; // sta dst
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printf("packed size: raw=%x, adj=%x\n",size,paksize);
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printf("packed addr: %02X%02X\n",ram[src+1],ram[src]);
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printf("packed end : %02X%02X\n",ram[end+1],ram[end]);
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printf("packed end : %02X%02X\n",ram[end+1],ram[end]);
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printf("dest addr : %02X%02X\n",ram[dst+1],ram[dst]);
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printf("dest addr : %02X%02X\n",ram[LZ4_DST+1],ram[LZ4_DST]);
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// https://github.com/lz4/lz4/wiki/lz4_Frame_format.md
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//unpmain:
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y=0; cycles+=2; // used for offset //ldy #0
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// Should: check for magic number 04 22 4d 18
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// FLG: 64 in our case (01=version, block.index=1, block.checksum=0
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// size=0, checksum=1, reserved
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// MAX Blocksize: 40 (64kB)
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// HEADER CHECKSUM: a7
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// BLOCK HEADER: 4 bytes (le) If highest bit set, uncompressed!
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//unpack: //;unpacker entrypoint
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// goto unpmain; // jmp unpmain
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//unpack:
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y=0; // used for offset //ldy #0
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parsetoken:
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parsetoken:
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printf("LOAD TOKEN: ");
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getsrc(); cycles+=6; // jsr getsrc
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getsrc(); // jsr getsrc
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// get token
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// get token
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pha(); // save for later // pha
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pha(); cycles+=3; // save for later // pha
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lsr(); // num literals in top 4 // lsr
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lsr(); cycles+=2; // num literals in top 4// lsr
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lsr(); // lsr
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lsr(); cycles+=2; // lsr
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lsr(); // lsr
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lsr(); cycles+=2; // lsr
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lsr(); // lsr
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lsr(); cycles+=2; // lsr
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if (a==0) goto copymatches; // if zero, no literals // beq copymatches
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cycles+=2;
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if (a==0) {
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cycles+=1;
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goto copymatches; // if zero, no literals // beq copymatches
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}
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buildcount(); // otherwise, build the count // jsr buildcount
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buildcount(); cycles+=6; // otherwise, build the count // jsr buildcount
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x=a; // tax
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x=a; cycles+=2; // tax
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docopy(); // jsr docopy
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docopy(); cycles+=6; // jsr docopy
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a=ram[src]; // lda src
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a=ram[LZ4_SRC]; cycles+=3; // lda LZ4_SRC
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cmp(ram[end]); // cmp end
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cmp(ram[end]); cycles+=3; // cmp end
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a=ram[src+1]; // lda src+1
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a=ram[LZ4_SRC+1]; cycles+=3; // lda LZ4_SRC+1
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sbc(ram[end+1]); // sbc end+1
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sbc(ram[end+1]); cycles+=3; // sbc end+1
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cycles+=2;
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if (c) {
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if (c) {
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printf("Done!\n");
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printf("Done!\n");
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printf("src : %02X%02X\n",ram[src+1],ram[src]);
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printf("src : %02X%02X\n",ram[LZ4_SRC+1],ram[LZ4_SRC]);
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printf("packed end : %02X%02X\n",ram[end+1],ram[end]);
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printf("packed end : %02X%02X\n",ram[end+1],ram[end]);
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cycles+=1;
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goto done; // bcs done
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goto done; // bcs done
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}
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}
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copymatches:
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copymatches:
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printf("\tDELTAL ");
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getsrc(); cycles+=6; // jsr getsrc
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getsrc(); // jsr getsrc
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ram[DELTA]=a; cycles+=3; // sta DELTA
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ram[delta]=a; // sta delta
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getsrc(); cycles+=6; // jsr getsrc
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printf("\tDELTAH ");
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ram[DELTA+1]=a; cycles+=3; // sta DELTA+1
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getsrc(); // jsr getsrc
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pla(); cycles+=3; // restore token // pla
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ram[delta+1]=a; // sta delta+1
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a=a&0xf; cycles+=2; // get bottom 4 bits // and #$0f
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printf("\tDELTA is %02X%02X\n",ram[delta+1],ram[delta]);
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buildcount(); cycles+=6; // jsr buildcount
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pla(); // restore token // pla
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a=a&0xf; // get bottom 4 bits // and #$0f
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buildcount(); // jsr buildcount
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c=0; // clc
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c=0; cycles+=2; // clc
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adc(4); // adc #4
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adc(4); cycles+=2; // adc #4
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x=a; // tax
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x=a; cycles+=2; // tax
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if (x==0) goto copy_skip; //BUGFIX // beq +
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cycles+=2;
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if (c==0) goto copy_skip; // bcc +
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if (x==0) {
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ram[count+1]++; // inc count+1
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cycles+=1;
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goto copy_skip; //BUGFIX // beq +
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}
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cycles+=2;
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if (c==0) {
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cycles+=1;
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goto copy_skip; // bcc +
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}
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ram[COUNT+1]++; cycles+=5; // inc count+1
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copy_skip:
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copy_skip:
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a=ram[src+1]; //+ lda src+1
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a=ram[LZ4_SRC+1]; cycles+=3; //+ lda src+1
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pha(); // pha
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pha(); cycles+=3; // pha
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a=ram[src]; // lda src
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a=ram[LZ4_SRC]; cycles+=3; // lda src
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pha(); // pha
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pha(); cycles+=3; // pha
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printf("\tSAVED SRC: %02X%02X\n",ram[src+1],ram[src]);
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c=1; cycles+=2; // sec
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// printf("CALCULATING: DST %02X%02X - DELTA %02X%02X\n",ram[dst+1],ram[dst],ram[delta+1],ram[delta]);
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a=ram[LZ4_DST]; cycles+=3; // lda LZ4_DST
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c=1; // sec
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sbc(ram[DELTA]); cycles+=3; // sbc DELTA
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a=ram[dst]; // lda dst
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ram[LZ4_SRC]=a; cycles+=3; // sta LZ4_SRC
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sbc(ram[delta]); // sbc delta
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a=ram[LZ4_DST+1]; cycles+=3; // lda LZ4_DST+1
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ram[src]=a; // sta src
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sbc(ram[DELTA+1]); cycles+=3; // sbc DELTA+1
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a=ram[dst+1]; // lda dst+1
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ram[LZ4_SRC+1]=a; cycles+=3; // sta LZ4_SRC+1
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sbc(ram[delta+1]); // sbc delta+1
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ram[src+1]=a; // sta src+1
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docopy(); cycles+=6; // jsr docopy
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printf("\tNEW SRC: %02X%02X\n",ram[src+1],ram[src]);
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pla(); cycles+=3; // pla
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docopy(); // jsr docopy
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ram[LZ4_SRC]=a; cycles+=3; // sta LZ4_SRC
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pla(); // pla
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pla(); cycles+=3; // pla
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ram[src]=a; // sta src
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ram[LZ4_SRC+1]=a; cycles+=3; // sta LZ4_SRC+1
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pla(); // pla
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cycles+=3;
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ram[src+1]=a; // sta src+1
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||||||
printf("\tRESTORED SRC: %02X%02X\n",ram[src+1],ram[src]);
|
|
||||||
goto parsetoken; // jmp parsetoken
|
goto parsetoken; // jmp parsetoken
|
||||||
|
|
||||||
done:
|
done:
|
||||||
|
cycles+=3;
|
||||||
pla(); // pla
|
pla(); // pla
|
||||||
|
cycles+=6; // rts
|
||||||
|
|
||||||
|
int out_size=(ram[LZ4_DST+1]<<8)+ram[LZ4_DST];
|
||||||
int out_size=(ram[dst+1]<<8)+ram[dst];
|
|
||||||
out_size-=ORGOFFSET;
|
out_size-=ORGOFFSET;
|
||||||
|
|
||||||
printf("dest addr : %02X%02X\n",ram[dst+1],ram[dst]);
|
printf("dest addr : %02X%02X\n",ram[LZ4_DST+1],ram[LZ4_DST]);
|
||||||
|
|
||||||
int i,j,addr,temp;
|
|
||||||
addr=ORGOFFSET;
|
|
||||||
|
|
||||||
printf("\n");
|
|
||||||
for(i=0;i<256;i++) {
|
|
||||||
if (i%16==0) printf("%04X: ",addr+i);
|
|
||||||
printf("%02X ",ram[addr+i]);
|
|
||||||
if (i%16==15) {
|
|
||||||
for(j=0;j<16;j++) {
|
|
||||||
temp=ram[((addr+i)&0xfff0)+j];
|
|
||||||
if ((temp<' ') || (temp>127)) printf(".");
|
|
||||||
else printf("%c",temp);
|
|
||||||
}
|
|
||||||
printf("\n");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
printf("\n");
|
|
||||||
// rts
|
|
||||||
|
|
||||||
fff=fopen("out.out","w");
|
fff=fopen("out.out","w");
|
||||||
if (fff==NULL) {
|
if (fff==NULL) {
|
||||||
@ -278,6 +251,9 @@ done:
|
|||||||
|
|
||||||
fclose(fff);
|
fclose(fff);
|
||||||
|
|
||||||
|
printf("Cycles: %d\t %lfs\n",cycles,(double)cycles/1023000.0);
|
||||||
|
printf("\t50Hz\t %lfs\n",(double)1/50.0);
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -362,6 +338,40 @@ int main(int argc, char **argv) {
|
|||||||
a=23;
|
a=23;
|
||||||
print_header_info();
|
print_header_info();
|
||||||
|
|
||||||
|
y=0;
|
||||||
|
a=high(LZ4_BUFFER+3);
|
||||||
|
ram[LZ4_SRC+1]=a;
|
||||||
|
a=low(LZ4_BUFFER+3);
|
||||||
|
ram[LZ4_SRC]=a;
|
||||||
|
|
||||||
|
a=ram[y_indirect(LZ4_SRC,y)];
|
||||||
|
c=0;
|
||||||
|
adc(ram[LZ4_SRC]);
|
||||||
|
ram[LZ4_SRC]=a;
|
||||||
|
a=ram[LZ4_SRC+1];
|
||||||
|
adc(0);
|
||||||
|
ram[LZ4_SRC+1]=a;
|
||||||
|
|
||||||
|
// next_subsong:
|
||||||
|
|
||||||
|
y=0;
|
||||||
|
|
||||||
|
a=ram[y_indirect(LZ4_SRC,y)];
|
||||||
|
ram[LZ4_END]=a;
|
||||||
|
y++;
|
||||||
|
a=ram[y_indirect(LZ4_SRC,y)];
|
||||||
|
ram[LZ4_END+1]=a;
|
||||||
|
y++;
|
||||||
|
|
||||||
|
a=2;
|
||||||
|
c=0;
|
||||||
|
adc(ram[LZ4_SRC]);
|
||||||
|
ram[LZ4_SRC]=a;
|
||||||
|
a=(ram[LZ4_SRC+1]);
|
||||||
|
adc(0);
|
||||||
|
ram[LZ4_SRC+1]=a;
|
||||||
|
|
||||||
|
lz4_decode();
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user