From afd0350ecf48505e37793bef70fd4672fd5b1f3c Mon Sep 17 00:00:00 2001 From: hikarupsp Date: Fri, 14 Mar 2014 00:28:55 +0900 Subject: [PATCH] =?utf8?q?tek=E5=AF=BE=E5=BF=9C=E3=82=92=E8=BF=BD=E5=8A=A0?= =?utf8?q?=E4=B8=AD=E3=80=82=20=E3=82=B3=E3=83=BC=E3=83=89=E8=87=AA?= =?utf8?q?=E4=BD=93=E3=81=AF=E8=BF=BD=E5=8A=A0=E3=81=97=E3=81=9F=E3=81=8C?= =?utf8?q?=E3=80=81decomp=E3=81=8C=E6=AD=A3=E5=B8=B8=E3=81=AB=E8=A1=8C?= =?utf8?q?=E3=82=8F=E3=82=8C=E3=81=AA=E3=81=84=E3=80=82?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit --- function.c | 55 ++++-- main.c | 7 +- osecpu.h | 11 +- tek.c | 643 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ tek.h | 53 +++++ usetek.c | 86 +++++++++ 6 files changed, 832 insertions(+), 23 deletions(-) create mode 100644 tek.c create mode 100644 tek.h create mode 100644 usetek.c diff --git a/function.c b/function.c index eb80a94..c5a557d 100644 --- a/function.c +++ b/function.c @@ -360,13 +360,19 @@ void devFunc(HOSECPU_RuntimeEnvironment *r) longjmp(r->setjmpEnv, 1); break; - case 0xff07: // junkApi_putConstString0(s) DB(0xff,0x00,0x00); DB%(s,0x00); - // マシになった文字列表示.OSASK文字列に対応.offにすれば通常の文字列処理もできる.現状はonのみサポート. + case 0xff07: + // junkApi_putConstString0(s) + // DB(0xff,0x00,0x00); DB%(s,0x00); + // マシになった文字列表示. + // OSASK文字列に対応.offにすれば通常の文字列処理もできる. + // 現状はonのみサポート. checkString(r, 0x31, 0x31); devFunc0001(r->ireg[0x31], r->preg[0x31].p, r); break; - case 0xff08: // junkApi_jitc2(_rc, _p, mod, lev, di1, len, s) R31=mod; R32=lev; R33=di1; R34=len; P31=s; _rc=R30; _p=P31 + case 0xff08: + // junkApi_jitc2(_rc, _p, mod, lev, di1, len, s) + // R31=mod; R32=lev; R33=di1; R34=len; P31=s; _rc=R30; _p=P31 // JITC on JITC // R31: 言語(back-end, front-end, ... // R32: level @@ -401,14 +407,16 @@ void devFunc(HOSECPU_RuntimeEnvironment *r) r->ireg[0x30] = -1; break; - case 0xff09: //putStringDec + case 0xff09: + //putStringDec // たぶんbit7を使ったテキストはうまく処理できない（これはもはや仕様にしても問題ないかも）. checkString(r, 0x31, 0x31); len = devFunc0016(sizeof pucbuf, pucbuf, r->ireg[0x31], r->preg[0x31].p, r->ireg[0x32], (int *)r->preg[0x32].p, r); devFunc0001(len, pucbuf, r); break; - case 0xff40: // junkApi_openWin(xsiz, ysiz) R31=xsiz; R32=ysiz; + case 0xff40: + // junkApi_openWin(xsiz, ysiz) R31=xsiz; R32=ysiz; /* R31とR32でサイズを指定 */ mainWindow.xsize = r->ireg[0x31]; mainWindow.ysize = r->ireg[0x32]; @@ -426,7 +434,9 @@ void devFunc(HOSECPU_RuntimeEnvironment *r) } break; - case 0xff41: // junkApi_flushWin(xsiz, ysiz, x0, y0) R31=xsiz; R32=ysiz; R33=x0; R34=y0 + case 0xff41: + // junkApi_flushWin(xsiz, ysiz, x0, y0) + // R31=xsiz; R32=ysiz; R33=x0; R34=y0 /* R31とR32でサイズを指定、R33とR34でx0,y0指定 */ if (r->ireg[0x31] == -1) { r->ireg[0x31] = mainWindow.xsize; r->ireg[0x33] &= 0; @@ -438,7 +448,8 @@ void devFunc(HOSECPU_RuntimeEnvironment *r) drv_flshWin(r->ireg[0x31], r->ireg[0x32], r->ireg[0x33], r->ireg[0x34]); break; - case 0xff42: // junkApi_sleep(opt, msec) R31=opt; R32=msec + case 0xff42: + // junkApi_sleep(opt, msec) R31=opt; R32=msec if (r->ireg[0x32] == -1) { r->autoSleep = 1; longjmp(r->setjmpEnv, 1); @@ -462,7 +473,8 @@ void devFunc(HOSECPU_RuntimeEnvironment *r) } break; - case 0xff43: // junkApi_inkey(_i, mod) R31=mod; _i=R30 + case 0xff43: + // junkApi_inkey(_i, mod) R31=mod; _i=R30 // 1:peek // 2:stdin // 4,8: ソース指定. @@ -496,7 +508,8 @@ void devFunc(HOSECPU_RuntimeEnvironment *r) if (r->ireg[0x30] == 4135) r->ireg[0x33]++; break; - case 0xff44: // junkApi_drawPoint(mod, x, y, c) R31=mod; R32=x; R33=y; R34=c + case 0xff44: + // junkApi_drawPoint(mod, x, y, c) R31=mod; R32=x; R33=y; R34=c c = loadColor(r, 0x34); if (r->ireg[0x32] < 0 || r->ireg[0x32] >= mainWindow.xsize || r->ireg[0x33] < 0 || r->ireg[0x33] >= mainWindow.ysize){ @@ -519,7 +532,8 @@ void devFunc(HOSECPU_RuntimeEnvironment *r) } break; - case 0xff45: // junkApi_drawLine(mod, x0, y0, x1, y1, c) DB(0xfe,0x05,0x01); DDBE(0x0003); R30=0xff45; R31=mod; R32=x0; R33=y0; R34=x1; R35=y1; R36=c + case 0xff45: + // junkApi_drawLine(mod, x0, y0, x1, y1, c) DB(0xfe,0x05,0x01); DDBE(0x0003); R30=0xff45; R31=mod; R32=x0; R33=y0; R34=x1; R35=y1; R36=c //drawLine c = loadColor(r, 0x36); if (r->ireg[0x32] < 0 || r->ireg[0x32] >= mainWindow.xsize || @@ -587,7 +601,8 @@ void devFunc(HOSECPU_RuntimeEnvironment *r) } break; - case 0xff46: // fillRect(opt:R31, xsiz:R32, ysiz:R33, x0:R34, y0:R35, c:R36) + case 0xff46: + // fillRect(opt:R31, xsiz:R32, ysiz:R33, x0:R34, y0:R35, c:R36) c = loadColor(r, 0x36); if (r->ireg[0x32] == -1) { r->ireg[0x32] = mainWindow.xsize; r->ireg[0x34] &= 0; } if (r->ireg[0x33] == -1) { r->ireg[0x33] = mainWindow.ysize; r->ireg[0x35] &= 0; } @@ -603,7 +618,8 @@ void devFunc(HOSECPU_RuntimeEnvironment *r) } break; - case 0xff47: // fillOval(opt:R31, xsiz:R32, ysiz:R33, x0:R34, y0:R35, c:R36) + case 0xff47: + // fillOval(opt:R31, xsiz:R32, ysiz:R33, x0:R34, y0:R35, c:R36) // これの計算精度はアーキテクチャに依存する. c = loadColor(r, 0x36); if (r->ireg[0x32] == -1) { @@ -670,12 +686,14 @@ void devFunc(HOSECPU_RuntimeEnvironment *r) } break; - case 0xff48: // drawString(opt:R31, xsiz:R32, ysiz:R33, x0:R34, y0:R35, c:R36, s.len:R37, s.p:P31) + case 0xff48: + // drawString(opt:R31, xsiz:R32, ysiz:R33, x0:R34, y0:R35, c:R36, s.len:R37, s.p:P31) checkString(r, 0x37, 0x31); devFunc0006(r->ireg[0x31], r->ireg[0x32], r->ireg[0x33], r->ireg[0x34], r->ireg[0x35], loadColor(r, 0x36), r->ireg[0x37], r->preg[0x31].p, r); break; - case 0xff49: // junkApi_rand(_r, range) R31=range; _r=R30 + case 0xff49: + // junkApi_rand(_r, range) R31=range; _r=R30 // **** junkApi_rand(i, max) **** // 0 <= i <= maxとなるiを返す。 // max==0のとき、iはSINT32全体を範囲とする乱数となる。 @@ -685,15 +703,18 @@ void devFunc(HOSECPU_RuntimeEnvironment *r) } break; - case 0xff4a: /* seedの指定 */ + case 0xff4a: + // srand randStatInit(r->ireg[0x31]); break; - case 0xff4b: /* 適当なseedを提供 */ + case 0xff4b: + // srand(random) r->ireg[0x30] = (int)(time(NULL) ^ (long)0x55555555); break; - case 0xff4c: // drawStringDec + case 0xff4c: + // drawStringDec checkString(r, 0x37, 0x31); len = devFunc0016(sizeof pucbuf, pucbuf, r->ireg[0x37], r->preg[0x31].p, r->ireg[0x38], (int *)r->preg[0x32].p, r); devFunc0006(r->ireg[0x31], r->ireg[0x32], r->ireg[0x33], r->ireg[0x34], r->ireg[0x35], loadColor(r, 0x36), len, pucbuf, r); diff --git a/main.c b/main.c index 9763920..13f1bb0 100644 --- a/main.c +++ b/main.c @@ -98,7 +98,12 @@ int HeavyOSECPUMain(int argc, char **argv) if (env.appBin[2] == 0xf0) { // tek5圧縮がかかっている #if (USE_TEK5 != 0) - env.appSize1 = tek5Decomp(env.appBin + 2, env.appBin + env.appSize0, systmp0) + 2; + env.appSize1 = tek5Decomp(env.appBin + 2, env.appBin + env.appSize0, systmp0); + if(env.appSize1 == -1){ + fputs("tek decomp error.\n", stderr); + return 1; + } + env.appSize1++; #else env.appSize1 = -9; #endif diff --git a/osecpu.h b/osecpu.h index cbffd07..5b42b4e 100644 --- a/osecpu.h +++ b/osecpu.h @@ -52,7 +52,7 @@ #define SIGN1 0xe1 #define USE_DEBUGGER 1 -#define USE_TEK5 0 //元々は1 +#define USE_TEK5 1 /* JITC mode flags */ #define JITC_LV_SLOWEST 0 /* デバッグ支援は何でもやる */ @@ -213,11 +213,12 @@ void checkString(HOSECPU_RuntimeEnvironment *r, int rxx, int pxx); void checkRect(HOSECPU_RuntimeEnvironment *r, int rxx); int loadColor(HOSECPU_RuntimeEnvironment *r, int rxx); +// @usetek.c #if (USE_TEK5 != 0) -/* tek.cを移植するのは大変だと思ったので、断念 */ -#error "tek is not supported. edit switch.h and set USE_TEK5=0" -// #include "tek.c" -// int tek5Decomp(unsigned char *buf, unsigned char *buf1, unsigned char *tmp); +#include "tek.h" +int appackSub2(const UCHAR **pp, char *pif); +int appackSub3u(const UCHAR **pp, char *pif); +int tek5Decomp(UCHAR *buf, UCHAR *buf1, UCHAR *tmp); #endif diff --git a/tek.c b/tek.c new file mode 100644 index 0000000..36f8c75 --- /dev/null +++ b/tek.c @@ -0,0 +1,643 @@ +#include "tek.h" + +static unsigned int tek_getnum_s7s(UCHAR **pp); +/* +// not used. +static int tek_lzrestore_stk1(int srcsiz, UCHAR *src, int outsiz, UCHAR *q); +static int tek_decode1(int siz, UCHAR *p, UCHAR *q); +static unsigned int tek_getnum_s7(UCHAR **pp); +static int tek_lzrestore_stk2(int srcsiz, UCHAR *src, int outsiz, UCHAR *q); +static int tek_decode2(int siz, UCHAR *p, UCHAR *q); + */ +static int tek_lzrestore_tek5(int srcsiz, UCHAR *src, int outsiz, UCHAR *outbuf); +static void tek_setbm5(struct tek_STR_BITMODEL *bm, int t, int m); +static int tek_rdget0(struct tek_STR_RNGDEC *rd, int n, int i); +static int tek_rdget1(struct tek_STR_RNGDEC *rd, tek_TPRB *prob0, int n, int j, struct tek_STR_BITMODEL *bm); +static UINT32 tek_revbit(UINT32 data, int len); +static int tek_getlen5(struct tek_STR_RNGDEC *rd, int m, int s_pos, int stk); +static int tek_decmain5(int *work, UCHAR *src, int osiz, UCHAR *q, int lc, int pb, int lp, int flags); +static int tek_decode5(int siz, UCHAR *p, UCHAR *q); + +static unsigned int tek_getnum_s7s(UCHAR **pp) +/* これは必ずbig-endian */ +/* 下駄がないので中身をいじりやすい */ +{ + unsigned int s = 0; + UCHAR *p = *pp; + do { + s = s << 7 | *p++; + } while ((s & 1) == 0); + s >>= 1; + *pp = p; + return s; +} + +#if 0 + +int tek_getsize(unsigned char *p) +{ + static char header[15] = { + 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, 0x4f, 0x53, 0x41, 0x53, 0x4b, 0x43, 0x4d, 0x50 + }; + int size = -1; + if (memcmp(p + 1, header, 15) == 0 && (*p == 0x83 || *p == 0x85 || *p == 0x89)) { + p += 16; + size = tek_getnum_s7s(&p); + } + return size; +} /* （註）memcmpはstrncmpの仲間で、文字列中に0があっても指定された15文字まで比較する関数 */ + +#endif + +int tek_decomp(unsigned char *p, unsigned char *q, int size) +{ + int err = -1; +#if 0 + if (*p == 0x83) { + err = tek_decode1(size, p, q); + } else if (*p == 0x85) { + err = tek_decode2(size, p, q); + } else if (*p == 0x89) { + err = tek_decode5(size, p, q); + } +#else + if (*p == 0x89) { + err = tek_decode5(size, p, q); + } +#endif + if (err != 0) { + return -1; /* 失敗 */ + } + return 0; /* 成功 */ +} + +#if 0 + +static int tek_lzrestore_stk1(int srcsiz, UCHAR *src, int outsiz, UCHAR *q) +{ + int by, lz, cp, ds; + UCHAR *q1 = q + outsiz, *s7ptr = src, *q0 = q; + do { + if ((by = (lz = *s7ptr++) & 0x0f) == 0) + by = tek_getnum_s7s(&s7ptr); + if ((lz >>= 4) == 0) + lz = tek_getnum_s7s(&s7ptr); + do { + *q++ = *s7ptr++; + } while (--by); + if (q >= q1) + break; + do { + ds = (cp = *s7ptr++) & 0x0f; + if ((ds & 1) == 0) { + do { + ds = ds << 7 | *s7ptr++; + } while ((ds & 1) == 0); + } + ds = ‾(ds >> 1); + if ((cp >>= 4) == 0) { + do { + cp = cp << 7 | *s7ptr++; + } while ((cp & 1) == 0); + cp >>= 1; + } /* 0がこないことをあてにする */ + cp++; + if (q + ds < q0) + goto err; + if (q + cp > q1) + cp = q1 - q; + do { + *q = *(q + ds); + q++; + } while (--cp); + } while (--lz); + } while (q < q1); + return 0; +err: + return 1; +} + +static int tek_decode1(int siz, UCHAR *p, UCHAR *q) +{ + int dsiz, hed, bsiz; + UCHAR *p1 = p + siz; + p += 16; + if ((dsiz = tek_getnum_s7s(&p)) > 0) { + hed = tek_getnum_s7s(&p); + bsiz = 1 << (((hed >> 1) & 0x0f) + 8); + if (dsiz > bsiz || (hed & 0x21) != 0x01) + return 1; + if (hed & 0x40) + tek_getnum_s7s(&p); /* オプション情報へのポインタを読み飛ばす */ + if (tek_getnum_s7s(&p) != 0) + return 1; /* 補助バッファ使用 */ + return tek_lzrestore_stk1(p1 - p, p, dsiz, q); + } + return 0; +} + +static unsigned int tek_getnum_s7(UCHAR **pp) +/* これは必ずbig-endian */ +{ + unsigned int s = 0, b = 0, a = 1; + UCHAR *p = *pp; + for (;;) { + s = s << 7 | *p++; + if (s & 1) + break; + a <<= 7; + b += a; + } + s >>= 1; + *pp = p; + return s + b; +} + +static int tek_lzrestore_stk2(int srcsiz, UCHAR *src, int outsiz, UCHAR *q) +{ + int cp, ds, repdis[4], i, j; + UCHAR *q1 = q + outsiz, *s7ptr = src, *q0 = q, bylz, cbylz; + for (j = 0; j < 4; j++) + repdis[j] = -1 - j; + bylz = cbylz = 0; + if (outsiz) { + if (tek_getnum_s7s(&s7ptr)) + return 1; + do { + /* byフェーズ */ + j = 0; + do { + j++; + if (j >= 17) { + j += tek_getnum_s7s(&s7ptr); + break; + } + if (cbylz == 0) { + cbylz = 8; + bylz = *s7ptr++; + } + cbylz--; + i = bylz & 1; + bylz >>= 1; + } while (i == 0); + do { + *q++ = *s7ptr++; + } while (--j); + if (q >= q1) + break; + + /* lzフェーズ */ + j = 0; + do { + j++; + if (j >= 17) { + j += tek_getnum_s7s(&s7ptr); + break; + } + if (cbylz == 0) { + cbylz = 8; + bylz = *s7ptr++; + } + cbylz--; + i = bylz & 1; + bylz >>= 1; + } while (i == 0); + do { + i = *s7ptr++; + cp = i >> 4; + i &= 0x0f; + if ((i & 1) == 0) + i |= (tek_getnum_s7(&s7ptr) + 1) << 4; + i >>= 1; + ds = ‾(i - 6); + if (i < 4) + ds = repdis[i]; + if (i == 4) + ds = repdis[0] - tek_getnum_s7(&s7ptr) - 1; + if (i == 5) + ds = repdis[0] + tek_getnum_s7(&s7ptr) + 1; + if (cp == 0) + cp = tek_getnum_s7(&s7ptr) + 16; + cp++; + if (i > 0) { + if (i > 1) { + if (i > 2) + repdis[3] = repdis[2]; + repdis[2] = repdis[1]; + } + repdis[1] = repdis[0]; + repdis[0] = ds; + } + if (q + ds < q0) + goto err; + if (q + cp > q1) + cp = q1 - q; + do { + *q = *(q + ds); + q++; + } while (--cp); + } while (--j); + } while (q < q1); + } + return 0; +err: + return 1; +} + +static int tek_decode2(int siz, UCHAR *p, UCHAR *q) +{ + UCHAR *p1 = p + siz; + int dsiz, hed, bsiz, st = 0; + p += 16; + if ((dsiz = tek_getnum_s7s(&p)) > 0) { + hed = tek_getnum_s7s(&p); + bsiz = 1 << (((hed >> 1) & 0x0f) + 8); + if (dsiz > bsiz || (hed & 0x21) != 0x01) + return 1; + if (hed & 0x40) + tek_getnum_s7s(&p); /* オプション情報へのポインタを読み飛ばす */ + st = tek_lzrestore_stk2(p1 - p, p, dsiz, q); + } + return st; +} + +#endif + +static int tek_lzrestore_tek5(int srcsiz, UCHAR *src, int outsiz, UCHAR *outbuf) +{ + int wrksiz, lc, lp, pb, flags = 0, *work, prop0, fl; + + if ((fl = (prop0 = *src) & 0x0f) == 0x01) /* 0001 */ + flags |= -1; + else if (fl == 0x05) + flags = -2; + else if (fl == 0x09) + flags &= 0; + else + return 1; + src++; + prop0 >>= 4; + if (prop0 == 0) + prop0 = *src++; + else { + static UCHAR prop0_table[] = { 0x5d, 0x00 }, prop1_table[] = { 0x00 }; + if (flags == -1) { + if (prop0 >= 3) + return 1; + prop0 = prop0_table[prop0 - 1]; + } else { + if (prop0 >= 2) + return 1; + prop0 = prop1_table[prop0 - 1]; + } + } + lp = prop0 / (9 * 5); + prop0 %= 9 * 5; + pb = prop0 / 9; + lc = prop0 % 9; + if (flags == 0) /* tek5:z2 */ + flags = *src++; + if (flags == -1) { /* stk5 */ + wrksiz = lp; + lp = pb; + pb = wrksiz; + } + wrksiz = 0x180 * sizeof (UINT32) + (0x840 + (0x300 << (lc + lp))) * sizeof (tek_TPRB); /* 最低15KB, lc+lp=3なら、36KB */ + work = (int *) malloc(wrksiz); + if (work == NULL) + return -1; + flags = tek_decmain5(work, src, outsiz, outbuf, lc, pb, lp, flags); + free(work); + return flags; +} + +static void tek_setbm5(struct tek_STR_BITMODEL *bm, int t, int m) +{ + bm->t = t; + bm->m = m; + bm->prb1 = -1 << (m + t); + bm->prb0 = ~bm->prb1; + bm->prb1 |= 1 << t; + bm->tmsk = (-1 << t) & 0xffff; + bm->prb0 &= bm->tmsk; + bm->prb1 &= bm->tmsk; + bm->ntm = ~bm->tmsk; + return; +} + +static int tek_rdget0(struct tek_STR_RNGDEC *rd, int n, int i) +{ + do { + while (rd->range < (UINT32) (1 << 24)) { + rd->range <<= 8; + rd->code = rd->code << 8 | *rd->p++; + } + rd->range >>= 1; + i += i; + if (rd->code >= rd->range) { + rd->code -= rd->range; + i |= 1; + } + } while (--n); + return ~i; +} + +static int tek_rdget1(struct tek_STR_RNGDEC *rd, tek_TPRB *prob0, int n, int j, struct tek_STR_BITMODEL *bm) +{ + UINT32 p, i, *prob, nm = n >> 4; + n &= 0x0f; + prob0 -= j; + do { + p = *(prob = prob0 + j); + if (bm->lt > 0) { + if (--bm->lt == 0) { + /* 寿命切れ */ + if (tek_rdget1(rd, &rd->probs.fchglt, 0x71, 0, &rd->bm[3]) == 0) { + /* 寿命変更はまだサポートしてない */ + err: + longjmp(rd->errjmp, 1); + } + i = bm - rd->bm; + if ((bm->s = tek_rdget1(rd, &rd->probs.fchgprm[i * 2 + bm->s], 0x71, 0, &rd->bm[1])) == 0) { + i = tek_rdget1(rd, rd->probs.tbmt, 0x74, 1, &rd->bm[2]) & 15; + if (i == 15) + goto err; + tek_setbm5(bm, i, ((tek_rdget1(rd, rd->probs.tbmm, 0x74, 1, &rd->bm[2]) - 1) & 15) + 1); + } + bm->lt = bm->lt0; + } + if (p < bm->prb0) { + p = bm->prb0; + goto fixprob; + } + if (p > bm->prb1) { + p = bm->prb1; + goto fixprob; + } + if (p & bm->ntm) { + p &= bm->tmsk; + fixprob: + *prob = p; + } + } + + while (rd->range < (UINT32) (1 << 24)) { + rd->range <<= 8; + rd->code = rd->code << 8 | *rd->p++; + } + j += j; + i = (UINT32)((rd->range & rd->rmsk) * p) >> 16; + if (rd->code < i) { + j |= 1; + rd->range = i; + *prob += ((0x10000 - p) >> bm->m) & bm->tmsk; + } else { + rd->range -= i; + rd->code -= i; + *prob -= (p >> bm->m) & bm->tmsk; + } + --n; + if ((n & nm) == 0) + bm++; + } while (n); + return j; +} + +static UINT32 tek_revbit(UINT32 data, int len) +{ + UINT32 rev = 0; + do { + rev += rev + (data & 1); + data >>= 1; + } while (--len); + return rev; +} + +static int tek_getlen5(struct tek_STR_RNGDEC *rd, int m, int s_pos, int stk) +{ + int i; + if (tek_rdget1(rd, &rd->probs.lensel[m][0], 0x71, 0, rd->ptbm[3]) ^ stk) /* low */ + i = tek_rdget1(rd, rd->probs.pb[s_pos].lenlow[m], 0x73, 1, rd->ptbm[4]) & 7; + else if (tek_rdget1(rd, &rd->probs.lensel[m][1], 0x71, 0, rd->ptbm[3]) ^ stk) /* mid */ + i = tek_rdget1(rd, rd->probs.pb[s_pos].lenmid[m], 0x73, 1, rd->ptbm[5]); + else { + /* high */ + i = tek_rdget1(rd, rd->probs.lenhigh[m], 0x78, 1, rd->ptbm[6]) - (256 + 256 - 8); + if (i > 0) { + if (i < 6 && stk == 0) + i = tek_rdget1(rd, &rd->probs.lenext[(1 << i) - 2], i | 0x70, 1, rd->ptbm[7]) - 1; + else + i = tek_rdget0(rd, i, ~1) - 1; + i = tek_rdget0(rd, i, ~1) - 1; + } + i += 256 - 8 + 16; + } + return i; +} + +static int tek_decmain5(int *work, UCHAR *src, int osiz, UCHAR *q, int lc, int pb, int lp, int flags) +{ + static int state_table[] = { 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5 }; + int i, j, k, pmch, rep[4], s, pos, m_pos = (1 << pb) - 1, m_lp = (1 << lp) - 1; + int stk = (flags == -1), lcr = 8 - lc, s_pos, lit0cntmsk = 0x78; + UINT32 *lit1; + struct tek_STR_RNGDEC *rd = (struct tek_STR_RNGDEC *) work; + struct tek_STR_PRB *prb = &rd->probs; + + rd->p = &src[4]; + rd->range |= -1; + rd->code = src[0] << 24 | src[1] << 16 | src[2] << 8 | src[3]; + for (i = 0; i < 4; i++) + rep[i] = ~i; + if (setjmp(rd->errjmp)) + goto err; + for (i = sizeof (struct tek_STR_PRB) / sizeof (tek_TPRB) + (0x300 << (lc + lp)) - 2; i >= 0; i--) + ((tek_TPRB *) prb)[i] = 1 << 15; + for (i = 0; i < 32; i++) { + rd->bm[i].lt = (i >= 4); /* 0..3は寿命なし */ + rd->bm[i].lt0 = (i < 24) ? 16 * 1024 : 8 * 1024; + rd->bm[i].s &= 0; + rd->bm[i].t = rd->bm[i].m = 5; + } + lit1 = prb->lit + ((256 << (lc + lp)) - 2); + if (stk) { + rd->rmsk = -1 << 11; + for (i = 0; i < 32; i++) + rd->bm[i].lt = 0; /* 全て寿命なし */ + for (i = 0; i < 14; i++) + rd->ptbm[i] = &rd->bm[0]; + } else { + UCHAR pt[14]; + static UCHAR pt1[14] = { + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 18, 18, 18, 8 + }; + static UCHAR pt2[14] = { + 8, 8, 10, 11, 12, 12, 14, 15, + 16, 16, 18, 18, 20, 21 + }; + /* + 0- 7:mch, mch, lit1, lensel, lenlow, lenmid, lenhigh, lenext + 8-15:pslot, pslot, sdis, sdis, align, rep-repg2 + */ + rd->rmsk |= -1; + rd->bm[1].t = 5; rd->bm[1].m = 3; /* for fchgprm */ + rd->bm[2].t = 9; rd->bm[2].m = 2; /* for tbmt, tbmm */ + if (flags & 0x40) { /* lt-flag */ + rd->bm[3].t = 0; rd->bm[3].m = 1; + prb->fchglt = 0xffff; + } + rd->bm[22].t = 0; rd->bm[22].m = 1; + prb->repg3 = 0xffff; + if (flags == -2) { /* z1 */ + rd->bm[22].lt = 0; /* repg3のltを0に */ + for (i = 0; i < 14; i++) + pt[i] = pt1[i]; + } else { + for (i = 0; i < 14; i++) + pt[i] = pt2[i]; + lit0cntmsk = (7 >> (flags & 3)) << 4 | 8; + pt[ 1] = 8 + ((flags & 0x04) != 0); /* mch */ + pt[ 5] = 12 + ((flags & 0x08) != 0); /* llm */ + pt[ 9] = 16 + ((flags & 0x10) != 0); /* pst */ + pt[11] = 18 + ((flags & 0x20) != 0); /* sds */ + } + for (i = 0; i < 14; i++) + rd->ptbm[i] = &rd->bm[pt[i]]; + } + for (i = 0; i < 32; i++) + tek_setbm5(&rd->bm[i], rd->bm[i].t, rd->bm[i].m); + + if ((tek_rdget1(rd, &prb->pb[0].st[0].mch, 0x71, 0, rd->ptbm[0]) ^ stk) == 0) + goto err; + *q++ = tek_rdget1(rd, prb->lit, lit0cntmsk, 1, &rd->bm[24]) & 0xff; + pmch &= 0; s &= 0; pos = 1; + while (pos < osiz) { + s_pos = pos & m_pos; + if (tek_rdget1(rd, &prb->pb[s_pos].st[s].mch, 0x71, 0, rd->ptbm[s > 0]) ^ stk) { /* 非lz */ + i = (q[-1] >> lcr | (pos & m_lp) << lc) << 8; + s = state_table[s]; + if (pmch == 0) + *q = tek_rdget1(rd, &prb->lit[i], lit0cntmsk, 1, &rd->bm[24]) & 0xff; + else { + struct tek_STR_BITMODEL *bm = &rd->bm[24]; + j = 1; /* lit1は最初から2を減じてある */ + k = 8; + pmch = q[rep[0]]; + do { + j += j + tek_rdget1(rd, &lit1[(i + j) << 1 | pmch >> 7], 0x71, 0, rd->ptbm[2]); + k--; + if ((k & (lit0cntmsk >> 4)) == 0) + bm++; + if ((((pmch >> 7) ^ j) & 1) != 0 && k != 0) { + j = tek_rdget1(rd, &prb->lit[i + j - 1], k | (lit0cntmsk & 0x70), j, bm); + break; + } + pmch <<= 1; + } while (k); + *q = j & 0xff; + pmch &= 0; + } + pos++; + q++; + } else { /* lz */ + pmch |= 1; + if (tek_rdget1(rd, &prb->st[s].rep, 0x71, 0, rd->ptbm[13]) ^ stk) { /* len/dis */ + rep[3] = rep[2]; + rep[2] = rep[1]; + rep[1] = rep[0]; + j = i = tek_getlen5(rd, 0, s_pos, stk); + s = s < 7 ? 7 : 10; + if (j >= 4) + j = 3; + rep[0] = j = tek_rdget1(rd, prb->pslot[j], 0x76, 1, rd->ptbm[8 + (j == 3)]) & 0x3f; + if (j >= 4) { + k = (j >> 1) - 1; /* k = [1, 30] */ + rep[0] = (2 | (j & 1)) << k; + if (j < 14) /* k < 6 */ + rep[0] |= tek_revbit(tek_rdget1(rd, &prb->spdis[j & 1][(1 << k) - 2], k | 0x70, 1, rd->ptbm[10 + (k >= 4)]), k); + else { + if (stk == 0) { + if (k -= 6) + rep[0] |= tek_rdget0(rd, k, ~0) << 6; + rep[0] |= tek_revbit(tek_rdget1(rd, prb->algn, 0x76, 1, rd->ptbm[12]), 6); + } else { + rep[0] |= tek_rdget0(rd, k - 4, ~0) << 4; + rep[0] |= tek_revbit(tek_rdget1(rd, prb->algn, 0x74, 1, rd->ptbm[12]), 4); + } + } + } + rep[0] = ~rep[0]; + } else { /* repeat-dis */ + if (tek_rdget1(rd, &prb->st[s].repg0, 0x71, 0, rd->ptbm[13]) ^ stk) { /* rep0 */ + i |= -1; + if (tek_rdget1(rd, &prb->pb[s_pos].st[s].rep0l1, 0x71, 0, rd->ptbm[13]) == 0) { + s = s < 7 ? 9 : 11; + goto skip; + } + } else { + if (tek_rdget1(rd, &prb->st[s].repg1, 0x71, 0, rd->ptbm[13]) ^ stk) /* rep1 */ + i = rep[1]; + else { + if (tek_rdget1(rd, &prb->st[s].repg2, 0x71, 0, rd->ptbm[13]) ^ stk) /* rep2 */ + i = rep[2]; + else { + if (stk == 0) { + if (tek_rdget1(rd, &prb->repg3, 0x71, 0, &rd->bm[22]) == 0) + goto err; + } + i = rep[3]; /* rep3 */ + rep[3] = rep[2]; + } + rep[2] = rep[1]; + } + rep[1] = rep[0]; + rep[0] = i; + } + i = tek_getlen5(rd, 1, s_pos, stk); + s = s < 7 ? 8 : 11; + } + skip: + i += 2; + if (pos + rep[0] < 0) + goto err; + if (pos + i > osiz) + i = osiz - pos; + pos += i; + do { + *q = q[rep[0]]; + q++; + } while (--i); + } + } + return 0; +err: + return 1; +} + +static int tek_decode5(int siz, UCHAR *p, UCHAR *q) +{ + UCHAR *p1 = p + siz; + int dsiz, hed, bsiz, st = 0; + p += 16; + if ((dsiz = tek_getnum_s7s(&p)) > 0) { + hed = tek_getnum_s7s(&p); + if ((hed & 1) == 0) + st = tek_lzrestore_tek5(p1 - p + 1, p - 1, dsiz, q); + else { + bsiz = 1 << (((hed >> 1) & 0x0f) + 8); + if (hed & 0x20) + return 1; + if (bsiz == 256) + st = tek_lzrestore_tek5(p1 - p, p, dsiz, q); + else { + if (dsiz > bsiz) + return 1; + if (hed & 0x40) + tek_getnum_s7s(&p); /* オプション情報へのポインタを読み飛ばす */ + st = tek_lzrestore_tek5(p1 - p, p, dsiz, q); + } + } + } + return st; +} diff --git a/tek.h b/tek.h new file mode 100644 index 0000000..18b9cbe --- /dev/null +++ b/tek.h @@ -0,0 +1,53 @@ +// +// tek.h +// HeavyOSECPU +// +// Created by 西田　耀 on 2014/03/13. +// Copyright (c) 2014年 CHNOSProject. All rights reserved. +// + +#ifndef HeavyOSECPU_tek_h +#define HeavyOSECPU_tek_h + +#include "stdio.h" +#include "stdlib.h" +#include "setjmp.h" + +typedef unsigned char UCHAR; +typedef unsigned int UINT32; +typedef UINT32 tek_TPRB; + +struct tek_STR_BITMODEL { + UCHAR t, m, s, dmy; + UINT32 prb0, prb1, tmsk, ntm, lt, lt0, dmy4; +}; + +struct tek_STR_PRB { + struct tek_STR_PRB_PB { + struct tek_STR_PRB_PBST { + tek_TPRB mch, rep0l1; + } st[12]; + tek_TPRB lenlow[2][8], lenmid[2][8]; + } pb[16]; + struct tek_STR_PRB_ST { + tek_TPRB rep, repg0, repg1, repg2; + } st[12]; + tek_TPRB lensel[2][2], lenhigh[2][256], pslot[4][64], algn[64]; + tek_TPRB spdis[2][2+4+8+16+32], lenext[2+4+8+16+32]; + tek_TPRB repg3, fchgprm[2 * 32], tbmt[16], tbmm[16], fchglt; + tek_TPRB lit[1]; +}; + +struct tek_STR_RNGDEC { + UCHAR *p; + UINT32 range, code, rmsk; + jmp_buf errjmp; + struct tek_STR_BITMODEL bm[32], *ptbm[16]; + struct tek_STR_PRB probs; +}; + + +int tek_getsize(unsigned char *p); +int tek_decomp(unsigned char *p, unsigned char *q, int size); + +#endif diff --git a/usetek.c b/usetek.c new file mode 100644 index 0000000..3de0eb9 --- /dev/null +++ b/usetek.c @@ -0,0 +1,86 @@ + +#include "osecpu.h" +#if (USE_TEK5 != 0) +/*----For using tek Begin----*/ +#include "tek.h" + +int appackSub2(const UCHAR **pp, char *pif) +{ + int r = 0; + const UCHAR *p = *pp; + if (*pif == 0) { + r = *p >> 4; + } else { + r = *p & 0x0f; + p++; + *pp = p; + } + *pif ^= 1; + return r; +} + +int appackSub3u(const UCHAR **pp, char *pif) +{ + int r = 0, i; + + r = appackSub2(pp, pif); + if (0x8 <= r && r <= 0xb) { + r = r << 4 | appackSub2(pp, pif); + r &= 0x3f; + } else if (0xc <= r && r <= 0xd) { + r = r << 4 | appackSub2(pp, pif); + r = r << 4 | appackSub2(pp, pif); + r &= 0x1ff; + } else if (r == 0xe) { + r = appackSub2(pp, pif); + r = r << 4 | appackSub2(pp, pif); + r = r << 4 | appackSub2(pp, pif); + } else if (r == 0x7) { + i = appackSub3u(pp, pif); + r = 0; + while (i > 0) { + r = r << 4 | appackSub2(pp, pif); + i--; + } + } + + return r; +} + +int tek5Decomp(UCHAR *buf, UCHAR *buf1, UCHAR *tmp) +{ + static char tek5head[16] = { + 0x89, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, + 0x4f, 0x53, 0x41, 0x53, 0x4b, 0x43, 0x4d, 0x50 + }; + memcpy(tmp, tek5head, 16); + UCHAR *q = tmp + 16; + char iif = 0; + int i, tmpsiz; + const UCHAR *p = &buf[1]; + i = appackSub3u(&p, &iif); + tmpsiz = appackSub3u(&p, &iif); + tmpsiz = tmpsiz << 8 | *p++; + *q++ = (tmpsiz >> 27) & 0xfe; + *q++ = (tmpsiz >> 20) & 0xfe; + *q++ = (tmpsiz >> 13) & 0xfe; + *q++ = (tmpsiz >> 6) & 0xfe; + *q++ = (tmpsiz << 1 | 1) & 0xff; + if (i == 1) *q++ = 0x15; + if (i == 2) *q++ = 0x19; + if (i == 3) *q++ = 0x21; + if (i >= 4) return -9; + while (p < buf1){ + *q++ = *p++; + } + if(tek_decomp(tmp, buf, tmpsiz) != 0){ + // failed + return -1; + } + //success + return tmpsiz; +} + +/*----For using tek End----*/ +#endif + -- 2.11.0