mirror of https://github.com/zxdos/zxuno.git
Arreglo CRC
This commit is contained in:
antoniovillena
parent
c440de6754
commit
74bf3152d5
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@ -4,41 +4,40 @@
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FILE *fi, *fo;
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int i;
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unsigned char mem[0x4004+0x55], checksum, a, b;
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unsigned char mem[0x4004+0x55], checksum;
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unsigned short j, k, crc, tab[]= {
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0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
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0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
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0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
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0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
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0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
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0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
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0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
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0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
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0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
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0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
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0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
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0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
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0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
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0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
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0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
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0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
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0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
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0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
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0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
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0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
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0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
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0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
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0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
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0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
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0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
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0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
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0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
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0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
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0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
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0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
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0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
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0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
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};
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0x0000, 0x2110, 0x4220, 0x6330, 0x8440, 0xa550, 0xc660, 0xe770,
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0x0881, 0x2991, 0x4aa1, 0x6bb1, 0x8cc1, 0xadd1, 0xcee1, 0xeff1,
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0x3112, 0x1002, 0x7332, 0x5222, 0xb552, 0x9442, 0xf772, 0xd662,
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0x3993, 0x1883, 0x7bb3, 0x5aa3, 0xbdd3, 0x9cc3, 0xfff3, 0xdee3,
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0x6224, 0x4334, 0x2004, 0x0114, 0xe664, 0xc774, 0xa444, 0x8554,
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0x6aa5, 0x4bb5, 0x2885, 0x0995, 0xeee5, 0xcff5, 0xacc5, 0x8dd5,
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0x5336, 0x7226, 0x1116, 0x3006, 0xd776, 0xf666, 0x9556, 0xb446,
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0x5bb7, 0x7aa7, 0x1997, 0x3887, 0xdff7, 0xfee7, 0x9dd7, 0xbcc7,
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0xc448, 0xe558, 0x8668, 0xa778, 0x4008, 0x6118, 0x0228, 0x2338,
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0xccc9, 0xedd9, 0x8ee9, 0xaff9, 0x4889, 0x6999, 0x0aa9, 0x2bb9,
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0xf55a, 0xd44a, 0xb77a, 0x966a, 0x711a, 0x500a, 0x333a, 0x122a,
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0xfddb, 0xdccb, 0xbffb, 0x9eeb, 0x799b, 0x588b, 0x3bbb, 0x1aab,
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0xa66c, 0x877c, 0xe44c, 0xc55c, 0x222c, 0x033c, 0x600c, 0x411c,
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0xaeed, 0x8ffd, 0xeccd, 0xcddd, 0x2aad, 0x0bbd, 0x688d, 0x499d,
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0x977e, 0xb66e, 0xd55e, 0xf44e, 0x133e, 0x322e, 0x511e, 0x700e,
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0x9fff, 0xbeef, 0xdddf, 0xfccf, 0x1bbf, 0x3aaf, 0x599f, 0x788f,
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0x8891, 0xa981, 0xcab1, 0xeba1, 0x0cd1, 0x2dc1, 0x4ef1, 0x6fe1,
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0x8010, 0xa100, 0xc230, 0xe320, 0x0450, 0x2540, 0x4670, 0x6760,
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0xb983, 0x9893, 0xfba3, 0xdab3, 0x3dc3, 0x1cd3, 0x7fe3, 0x5ef3,
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0xb102, 0x9012, 0xf322, 0xd232, 0x3542, 0x1452, 0x7762, 0x5672,
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0xeab5, 0xcba5, 0xa895, 0x8985, 0x6ef5, 0x4fe5, 0x2cd5, 0x0dc5,
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0xe234, 0xc324, 0xa014, 0x8104, 0x6674, 0x4764, 0x2454, 0x0544,
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0xdba7, 0xfab7, 0x9987, 0xb897, 0x5fe7, 0x7ef7, 0x1dc7, 0x3cd7,
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0xd326, 0xf236, 0x9106, 0xb016, 0x5766, 0x7676, 0x1546, 0x3456,
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0x4cd9, 0x6dc9, 0x0ef9, 0x2fe9, 0xc899, 0xe989, 0x8ab9, 0xaba9,
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0x4458, 0x6548, 0x0678, 0x2768, 0xc018, 0xe108, 0x8238, 0xa328,
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0x7dcb, 0x5cdb, 0x3feb, 0x1efb, 0xf98b, 0xd89b, 0xbbab, 0x9abb,
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0x754a, 0x545a, 0x376a, 0x167a, 0xf10a, 0xd01a, 0xb32a, 0x923a,
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0x2efd, 0x0fed, 0x6cdd, 0x4dcd, 0xaabd, 0x8bad, 0xe89d, 0xc98d,
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0x267c, 0x076c, 0x645c, 0x454c, 0xa23c, 0x832c, 0xe01c, 0xc10c,
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0x1fef, 0x3eff, 0x5dcf, 0x7cdf, 0x9baf, 0xbabf, 0xd98f, 0xf89f,
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0x176e, 0x367e, 0x554e, 0x745e, 0x932e, 0xb23e, 0xd10e, 0xf01e};
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int main(int argc, char *argv[]) {
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if( argc==1 )
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@ -104,12 +103,10 @@ int main(int argc, char *argv[]) {
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fseek(fi, 0, SEEK_SET);
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for ( i= 0; i<j; i++ ){
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fread(mem+3, 1, 0x4000, fi);
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crc= 0x4c2b;
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crc= 0xffff;
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for ( checksum= 0xff, k= 3; k<0x4003; ++k )
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a= mem[k],
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b= a ^ crc,
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crc= tab[b] ^ (crc>>8&0xff ),
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checksum^= a;
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crc= tab[mem[k] ^ crc & 0xff] ^ crc>>8,
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checksum^= mem[k];
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*(unsigned short*)(mem+0x400c+(j-i)*2)= crc;
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mem[0x4003]= checksum;
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fwrite(mem, 1, 0x4004, fo);
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@ -119,12 +116,10 @@ int main(int argc, char *argv[]) {
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fseek(fi, 0, SEEK_SET);
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mem[1]= 0x20;
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fread(mem+3, j= 1, 0x2000, fi);
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crc= 0x4c2b;
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crc= 0xffff;
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for ( checksum= 0xff, k= 3; k<0x2003; ++k )
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a= mem[k],
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b= a ^ crc,
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crc= tab[b] ^ (crc>>8&0xff ),
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checksum^= a;
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crc= tab[mem[k] ^ crc & 0xff] ^ crc>>8,
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checksum^= mem[k];
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*(unsigned short*)(mem+0x400e)= crc;
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mem[0x2003]= checksum;
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fwrite(mem, 1, 0x2004, fo);
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Binary file not shown.
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@ -92,8 +92,8 @@
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ei
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jp start
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rst18 push bc
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jp alto prnstr
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rst18 jp alto prnstr
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nop
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jmptbl
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IF recovery=0
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@ -1848,7 +1848,7 @@ upgra8 jp nc, roms12
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ld bc, $170a
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ld ix, cad53
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call_prnstr
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ld hl, $dfff
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ld hl, $e000
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call alto check0
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ld hl, (tmpbuf+7)
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sbc hl, de
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@ -2931,7 +2931,7 @@ showop ld a, (iy)
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defb $fe
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showo1 dec a
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push hl
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call z, prnstr-1
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call z, alto prnstr
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pop hl
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ld e, (hl)
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inc hl
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@ -3299,7 +3299,7 @@ hhhh push af
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call alto wtohex
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ld ix, cad199
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ld bc, $0030
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call alto prnstr-1
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call alto prnstr
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pop iy
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pop ix
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pop hl
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@ -3459,8 +3459,8 @@ conti5 ld a, (ix)
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call alto wtohex
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ld ix, cad55
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ld bc, $0015
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call alto prnstr-1
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call alto prnstr-1
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call alto prnstr
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call alto prnstr
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ld c, $fe
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conti6 in a, (c)
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or $e0
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@ -3638,7 +3638,7 @@ ramts3 ld de, cad69
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call alto wtohe1
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pop bc
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ld ixl, cad69&$ff
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call alto prnstr-1
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call alto prnstr
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dec c
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inc b
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inc b
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@ -3658,7 +3658,7 @@ ramts4 ld a, (hl)
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ramts5 inc hl
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bit 4, h
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jr z, ramts4
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call alto prnstr-1
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call alto prnstr
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inc iyh
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ld a, iyh
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and $07
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@ -3678,14 +3678,14 @@ ramts5 inc hl
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; ---------
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; CRC check
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; ---------
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check ld hl, $bfff ;4c2b > d432
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check0 ld c, alto crctab>>8
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defb $11
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check ld hl, $c000
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check0 ld a, $ff
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ld d, a
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check1 xor (hl) ;6*4+4*7+10= 62 ciclos/byte
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ld e, a
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ex de, hl
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ld a, h
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ld h, c
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ld h, alto crctab>>8
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xor (hl)
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inc h
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ld h, (hl)
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@ -3732,7 +3732,6 @@ help call window
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call_prnstr
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call_prnstr
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call_prnstr
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push bc
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; -----------------------------------------------------------------------------
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; Print string routine
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@ -3740,19 +3739,20 @@ help call window
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; BC: X coord (B) and Y coord (C)
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; IX: null terminated string
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; -----------------------------------------------------------------------------
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prnstr ld a, b
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prnstr push bc
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call alto prnstr1
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pop bc
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inc c
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ret
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prnstr1 ld a, b
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and %11111100
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ld d, a
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xor b
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ld b, a
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ld e, a
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jr z, prnch1
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dec e
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prnch1 xor $fc
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ld l, a
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ld h, alto prnstr>>8
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ld l, (hl)
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push hl
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ld a, d
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prnch1 ld a, d
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rrca
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ld d, a
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rrca
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@ -3770,77 +3770,67 @@ prnch1 xor $fc
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rrca
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add a, e
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ld e, a
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defb $3e ; salta la siguiente instruccion
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posf pop bc
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inc c
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ret
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rr b
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jr c, pos26
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jr nz, pos4
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pos0 ld a, (ix)
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inc ix
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add a, a
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jr z, posf
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ret z
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ld h, $b0 >> 2
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ld b, 8
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ld l, a
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ld h, $2c
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add hl, hl
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add hl, hl
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ld b, 4
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pos00 ld a, (hl)
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pos01 ld a, (hl)
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ld (de), a
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inc l
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inc d
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ld a, (hl)
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ld (de), a
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inc l
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inc d
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djnz pos00
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djnz pos01
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ld hl, $f800
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add hl, de
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ex de, hl
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pos1 ld a, (ix)
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inc ix
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add a, a
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jr z, posf
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ld l, a
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ld h, $2f
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add hl, hl
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add hl, hl
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ld bc, $04fc
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pos10 ld a, (de)
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xor (hl)
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and c
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xor (hl)
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ld (de), a
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inc e
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ld a, (hl)
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and c
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ld (de), a
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inc d
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inc l
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ld a, (hl)
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and c
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ld (de), a
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dec e
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ld a, (de)
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xor (hl)
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and c
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xor (hl)
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ld (de), a
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inc d
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inc l
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djnz pos10
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ld hl, $f801
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add hl, de
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ex de, hl
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pos2 ld a, (ix)
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inc ix
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add a, a
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tposf jr z, posf
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ld l, a
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ld h, $2e
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add hl, hl
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add hl, hl
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ret z
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ld h, $bc >> 2
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ld bc, $04fc
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call alto doble
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pos4 ld a, (ix)
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inc ix
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add a, a
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ret z
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ld h, $b8 >> 2
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ld bc, $04f0
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pos20 ld a, (de)
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call alto doble
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pos6 ld a, (ix)
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inc ix
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add a, a
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ret z
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ld h, $b4 >> 2
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ld b, 8
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ld l, a
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add hl, hl
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add hl, hl
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pos61 ld a, (de)
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xor (hl)
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ld (de), a
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inc d
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inc l
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djnz pos61
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ld hl, $f801
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add hl, de
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ex de, hl
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jr pos0
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pos26 rr b
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jr c, pos6
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jr pos2
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doble ld l, a
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add hl, hl
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add hl, hl
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doble2 ld a, (de)
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xor (hl)
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and c
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xor (hl)
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@ -3862,39 +3852,11 @@ pos20 ld a, (de)
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ld (de), a
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inc d
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inc l
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djnz pos20
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djnz doble2
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ld hl, $f801
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add hl, de
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ex de, hl
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pos3 ld a, (ix)
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inc ix
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add a, a
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jr z, tposf
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ld l, a
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ld h, $2d
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add hl, hl
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add hl, hl
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ld b, 4
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pos30 ld a, (de)
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xor (hl)
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ld (de), a
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inc d
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inc l
|
||||
ld a, (de)
|
||||
xor (hl)
|
||||
ld (de), a
|
||||
inc d
|
||||
inc l
|
||||
djnz pos30
|
||||
ld hl, $f801
|
||||
add hl, de
|
||||
ex de, hl
|
||||
jp alto pos0
|
||||
|
||||
defb pos0-crctab & $ff
|
||||
defb pos1-crctab & $ff
|
||||
defb pos2-crctab & $ff
|
||||
defb pos3-crctab & $ff
|
||||
ret
|
||||
|
||||
; ----------
|
||||
; CRC Table
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
cad0 defb 'Core: ',0
|
||||
cad1 defm 'http://zxuno.speccy.org', 0
|
||||
defm 'ZX-Uno BIOS v0.47', 0
|
||||
defm 'ZX-Uno BIOS v0.48', 0
|
||||
defm 'Copyleft ', 127, ' 2016 ZX-Uno Team', 0
|
||||
defm 'Processor: Z80 3.5MHz', 0
|
||||
defm 'Memory: 512K Ok', 0
|
||||
|
|
@ -37,7 +37,7 @@ cad8 defm $10, ' ', $10, ' ', $10, 0
|
|||
cad9 defb $14, $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $11
|
||||
defb $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $18, $11
|
||||
defb $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $15, 0
|
||||
defb ' BIOS v0.47 ', $7f, '2016 ZX-Uno Team', 0
|
||||
defb ' BIOS v0.48 ', $7f, '2016 ZX-Uno Team', 0
|
||||
IF recovery=0
|
||||
cad10 defb 'Hardware tests', 0
|
||||
defb $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $11, $11
|
||||
|
|
|
|||
Loading…
Reference in New Issue