/* i7090_sys.c: IBM 7090 Simulator system interface. Copyright (c) 2005, Richard Cornwell Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "i7090_defs.h" #include t_stat parse_sym(char *cptr, t_addr addr, UNIT * uptr, t_value * val, int32 sw); /* SCP data structures and interface routines sim_name simulator name string sim_PC pointer to saved PC register descriptor sim_emax number of words for examine sim_devices array of pointers to simulated devices sim_stop_messages array of pointers to stop messages sim_load binary loader */ #ifdef I704 char sim_name[] = "IBM 704"; #else char sim_name[] = "IBM 7090"; #endif REG *sim_PC = &cpu_reg[0]; int32 sim_emax = 1; DEVICE *sim_devices[] = { &cpu_dev, &chan_dev, #ifdef NUM_DEVS_CDR &cdr_dev, #endif #ifdef NUM_DEVS_CDP &cdp_dev, #endif #ifdef NUM_DEVS_LPR &lpr_dev, #endif #if NUM_DEVS_MT > 0 &mta_dev, #if NUM_DEVS_MT > 1 &mtb_dev, #if NUM_DEVS_MT > 2 &mtc_dev, #if NUM_DEVS_MT > 3 &mtd_dev, #if NUM_DEVS_MT > 4 &mte_dev, #if NUM_DEVS_MT > 5 &mtf_dev, #endif /* 5 */ #endif /* 4 */ #endif /* 3 */ #endif /* 2 */ #endif /* 1 */ #endif /* 0 */ #ifdef MT_CHANNEL_ZERO &mtz_dev, #endif #if NUM_DEVS_HT > 0 &hta_dev, #if NUM_DEVS_HT > 1 &htb_dev, #endif #endif #ifdef NUM_DEVS_HD &hsdrm_dev, #endif #ifdef NUM_DEVS_DR &drm_dev, #endif #ifdef NUM_DEVS_DSK &dsk_dev, #endif #ifdef NUM_DEVS_COM &coml_dev, &com_dev, #endif #ifdef NUM_DEVS_CHRON &chron_dev, #endif NULL }; /* Device addressing words */ #ifdef NUM_DEVS_DR DIB drm_dib = { CH_TYP_PIO, 1, 0301, 0740, &drm_cmd, &drm_ini }; #endif #ifdef NUM_DEVS_CDP DIB cdp_dib = { CH_TYP_PIO|CH_TYP_76XX, 1, 0341, 0777, &cdp_cmd, &cdp_ini }; #endif #ifdef NUM_DEVS_CDR DIB cdr_dib = { CH_TYP_PIO|CH_TYP_76XX, 1, 0321, 0777, &cdr_cmd, NULL }; #endif #ifdef NUM_DEVS_LPR DIB lpr_dib = { CH_TYP_PIO|CH_TYP_76XX, 1, 0361, 0774, &lpr_cmd, &lpr_ini }; #endif #if (NUM_DEVS_MT > 0) || defined(MT_CHANNEL_ZERO) DIB mt_dib = { CH_TYP_PIO|CH_TYP_76XX, NUM_UNITS_MT, 0201, 0740, &mt_cmd, &mt_ini }; #endif #ifdef NUM_DEVS_CHRON DIB chron_dib = { CH_TYP_PIO|CH_TYP_76XX, 1, 0201, 0740, &chron_cmd, NULL }; #endif #ifdef NUM_DEVS_DSK DIB dsk_dib = { CH_TYP_79XX, 0, 0, 0, &dsk_cmd, &dsk_ini }; #endif #ifdef NUM_DEVS_HT DIB ht_dib = { CH_TYP_79XX, NUM_UNITS_HT, 0, 0, &ht_cmd, NULL }; #endif #ifdef NUM_DEVS_COM DIB com_dib = { CH_TYP_79XX, 0, 0, 0, &com_cmd, NULL }; #endif #ifdef NUM_DEVS_HD DIB hsdrm_dib = { CH_TYP_SPEC, 1, 0330, 0777, &hsdrm_cmd, &hsdrm_ini }; #endif /* Simulator stop codes */ const char *sim_stop_messages[] = { "Unknown error", "IO device not ready", "HALT instruction", "Breakpoint", "Unknown Opcode", "Nested indirects exceed limit", "Nested XEC's exceed limit", "I/O check error", "Memory management trap during trap", "7750 invalid line number", "7750 invalid message", "7750 No free output buffers", "7750 No free input buffers", "Error?", "Error2", 0 }; /* Simulator debug controls */ DEBTAB dev_debug[] = { {"CHANNEL", DEBUG_CHAN}, {"TRAP", DEBUG_TRAP}, {"CMD", DEBUG_CMD}, {"DATA", DEBUG_DATA}, {"DETAIL", DEBUG_DETAIL}, {"EXP", DEBUG_EXP}, {"SENSE", DEBUG_SNS}, {0, 0} }; /* Character conversion tables */ const char mem_to_ascii[64] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'b', '=', '\'', ':', '>', '%', /* 17 = box */ '+', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', '?', '.', ')', '[', '<', '@', /* 37 = stop code */ '-', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', '!', '$', '*', ']', ';', '^', /* 57 = triangle */ ' ', '/', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '@', ',', '(', '~', '\\', '#' }; /* 72 = rec mark */ /* 75 = squiggle, 77 = del */ const char ascii_to_mem[128] = { -1, -1, -1, -1, -1, -1, -1, -1, /* 0 - 37 */ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 060, 052, -1, 077, 053, 017, -1, 014, /* 40 - 77 */ 074, 034, 054, 020, 073, 040, 033, 061, 000, 001, 002, 003, 004, 005, 006, 007, 010, 011, 015, 056, 036, 013, 016, 072, 037, 021, 022, 023, 024, 025, 026, 027, /* 100 - 137 */ 030, 031, 041, 042, 043, 044, 045, 046, 047, 050, 051, 062, 063, 064, 065, 066, 067, 070, 071, 035, 076, 055, 057, 012, 000, 021, 022, 023, 024, 025, 026, 027, /* 140 - 177 */ 030, 031, 041, 042, 043, 044, 045, 046, 047, 050, 051, 062, 063, 064, 065, 066, 067, 070, 071, -1, -1, -1, -1, -1 }; /* Load a card image file into memory. */ t_stat sim_load(FILE * fileref, char *cptr, char *fnam, int flag) { t_uint64 wd; t_uint64 mask; uint8 buffer[160]; int addr = 0; int dlen = 0; char *p; int i, j; p = strrchr(fnam, '.'); if (p == NULL) return SCPE_ARG; p++; if (strcasecmp(p, "crd") == 0) { int firstcard = 1; uint16 image[80]; t_uint64 lbuff[24]; while (sim_fread(buffer, 1, 160, fileref) == 160) { /* Convert bits into image */ for (j = i = 0; j < 80; j++) { image[j] = buffer[i++]; image[j] |= buffer[i++] << 8; } /* Bit flip into read buffer */ for (i = 0; i < 24; i++) { int bit = 1 << (i / 2); int b = 36 * (i & 1); int col; mask = 1; wd = 0; for (col = 35; col >= 0; mask <<= 1) { if (image[col-- + b] & bit) wd |= mask; } lbuff[i] = wd; } if (firstcard) { addr = 0; dlen = 3 + (int)((lbuff[0] >> 18) & AMASK); firstcard = 0; i = 0; } else if (dlen == 0) { addr = (int)(lbuff[0] & AMASK); dlen = (int)(lbuff[0] >> 18) & AMASK; i = 2; } else i = 0; for (; i < 24 && dlen > 0; i++) { M[addr++] = lbuff[i]; dlen--; } } } else if (strcasecmp(p, "cbn") == 0) { int firstcard = 1; uint16 image[80]; t_uint64 lbuff[24]; while (sim_fread(buffer, 1, 160, fileref) == 160) { /* Convert bits into image */ for (j = i = 0; j < 80; j++) { image[j] = buffer[i++] & 077; image[j] |= (buffer[i++] & 077) << 6; } /* Bit flip into read buffer */ for (i = 0; i < 24; i++) { int bit = 1 << (i / 2); int b = 36 * (i & 1); int col; mask = 1; wd = 0; for (col = 35; col >= 0; mask <<= 1) { if (image[col-- + b] & bit) wd |= mask; } lbuff[i] = wd; } if (firstcard) { addr = 0; dlen = 3 + (int)((lbuff[0] >> 18) & AMASK); firstcard = 0; i = 0; } else if (dlen == 0) { addr = (int)(lbuff[0] & AMASK); dlen = (int)(lbuff[0] >> 18) & AMASK; i = 2; } else i = 0; for (; i < 24 && dlen > 0; i++) { M[addr++] = lbuff[i]; dlen--; } } } else if (strcasecmp(p, "oct") == 0) { while (fgets(buffer, 80, fileref) != 0) { for(p = buffer; *p == ' ' || *p == '\t'; p++); /* Grab address */ for(addr = 0; *p >= '0' && *p <= '7'; p++) addr = (addr << 3) + *p - '0'; while(*p != '\n' && *p != '\0') { for(; *p == ' ' || *p == '\t'; p++); for(wd = 0; *p >= '0' && *p <= '7'; p++) wd = (wd << 3) + *p - '0'; if (addr < MAXMEMSIZE) M[addr++] = wd; } } } else if (strcasecmp(p, "sym") == 0) { while (fgets(buffer, 80, fileref) != 0) { for(p = buffer; *p == ' ' || *p == '\t'; p++); /* Grab address */ for(addr = 0; *p >= '0' && *p <= '7'; p++) addr = (addr << 3) + *p - '0'; while(*p == ' ' || *p == '\t') p++; if(strncasecmp(p, "BCD", 3) == 0) { p += 4; parse_sym(++p, addr, &cpu_unit, &M[addr], SWMASK('C')); } else if (strncasecmp(p, "OCT", 3) == 0) { p += 4; for(; *p == ' ' || *p == '\t'; p++); parse_sym(p, addr, &cpu_unit, &M[addr], 0); } else { parse_sym(p, addr, &cpu_unit, &M[addr], SWMASK('M')); } } } else return SCPE_ARG; return SCPE_OK; } /* Symbol tables */ typedef struct _opcode { uint16 opbase; char *name; uint8 type; } t_opcode; #define TYPE_A 0 /* Basic opcode format */ #define TYPE_B 1 /* OpcodeF Y[,T] */ #define TYPE_C 2 /* Opcode Y,C */ #define TYPE_D 3 /* Opcode Y[,T] */ #define TYPE_E 4 /* Opcode */ #define TYPE_F 5 /* Opcode T */ #define TYPE_G 6 /* Opcode K */ #define TYPE_P 8 /* Positive 0760 instructs */ #define TYPE_N 9 /* Negitive 0760 instructs */ #define TYPE_X 10 /* Opcodes */ t_opcode base_ops[] = { {OP_TXI, "TXI", TYPE_A}, {OP_TIX, "TIX", TYPE_A}, {OP_TXH, "TXH", TYPE_A}, {OP_STR, "STR", TYPE_E}, {OP_TNX, "TNX", TYPE_A}, {OP_TXL, "TXL", TYPE_A}, {0, NULL, TYPE_X} }; /* Positive opcodes */ t_opcode pos_ops[] = { {0760, "", TYPE_P}, {OP_HTR, "HTR", TYPE_B}, {OP_TRA, "TRA", TYPE_B}, {OP_TTR, "TTR", TYPE_B}, {OP_TRCA, "TRCA", TYPE_B}, {OP_TRCC, "TRCC", TYPE_B}, {OP_TRCE, "TRCE", TYPE_B}, {OP_TRCG, "TRCG", TYPE_B}, {OP_TEFA, "TEFA", TYPE_B}, {OP_TEFC, "TEFC", TYPE_B}, {OP_TEFE, "TEFE", TYPE_B}, {OP_TEFG, "TEFG", TYPE_B}, {OP_TLQ, "TLQ", TYPE_B}, {OP_IIA, "IIA", TYPE_E}, {OP_TIO, "TIO", TYPE_B}, {OP_OAI, "OAI", TYPE_E}, {OP_PAI, "PAI", TYPE_E}, {OP_TIF, "TIF", TYPE_B}, {OP_IIR, "IIR", TYPE_G}, {OP_RFT, "RFT", TYPE_G}, {OP_SIR, "SIR", TYPE_G}, {OP_RNT, "RNT", TYPE_G}, {OP_RIR, "RIR", TYPE_G}, {OP_TCOA, "TCOA", TYPE_B}, {OP_TCOB, "TCOB", TYPE_B}, {OP_TCOC, "TCOC", TYPE_B}, {OP_TCOD, "TCOD", TYPE_B}, {OP_TCOE, "TCOE", TYPE_B}, {OP_TCOF, "TCOF", TYPE_B}, {OP_TCOG, "TCOG", TYPE_B}, {OP_TCOH, "TCOH", TYPE_B}, {OP_TSX, "TSX", TYPE_D}, {OP_TZE, "TZE", TYPE_B}, {OP_CVR, "CVR", TYPE_C}, {OP_TPL, "TPL", TYPE_B}, {OP_XCA, "XCA", TYPE_E}, {OP_TOV, "TOV", TYPE_B}, {OP_TQP, "TQP", TYPE_B}, {OP_TQO, "TQO", TYPE_B}, {OP_MPY, "MPY", TYPE_B}, {OP_VLM, "VLM", TYPE_C}, {OP_DVH, "DVH", TYPE_B}, {OP_DVP, "DVP", TYPE_B}, {OP_VDH, "VDH", TYPE_C}, {OP_VDP, "VDP", TYPE_C}, {OP_FDH, "FDH", TYPE_B}, {OP_FDP, "FDP", TYPE_B}, {OP_FMP, "FMP", TYPE_B}, {OP_DFMP, "DFMP", TYPE_B}, {OP_FAD, "FAD", TYPE_B}, {OP_DFAD, "DFAD", TYPE_B}, {OP_FSB, "FSB", TYPE_B}, {OP_DFSB, "DFSB", TYPE_B}, {OP_FAM, "FAM", TYPE_B}, {OP_DFAM, "DFAM", TYPE_B}, {OP_FSM, "FSM", TYPE_B}, {OP_DFSM, "DFSM", TYPE_B}, {OP_ANS, "ANS", TYPE_B}, {OP_ERA, "ERA", TYPE_B}, {OP_CAS, "CAS", TYPE_B}, {OP_ACL, "ACL", TYPE_B}, {OP_HPR, "HPR", TYPE_E}, {OP_OSI, "OSI", TYPE_B}, {OP_ADD, "ADD", TYPE_B}, {OP_ADM, "ADM", TYPE_B}, {OP_SUB, "SUB", TYPE_B}, {OP_IIS, "IIS", TYPE_B}, {OP_LDI, "LDI", TYPE_B}, {OP_DLD, "DLD", TYPE_B}, {OP_ONT, "ONT", TYPE_B}, {OP_RIS, "RIS", TYPE_B}, {OP_OFT, "OFT", TYPE_B}, {OP_CLA, "CLA", TYPE_B}, {OP_CLS, "CLS", TYPE_B}, {OP_ZET, "ZET", TYPE_B}, {OP_XEC, "XEC", TYPE_B}, {OP_LXA, "LXA", TYPE_D}, {OP_LAC, "LAC", TYPE_D}, {OP_ECA, "ECA", TYPE_B}, {OP_LRI, "LRI", TYPE_B}, {OP_RSCA, "RSCA", TYPE_B}, {OP_RSCC, "RSCC", TYPE_B}, {OP_RSCE, "RSCE", TYPE_B}, {OP_RSCG, "RSCG", TYPE_B}, {OP_STCA, "STCA", TYPE_B}, {OP_STCC, "STCC", TYPE_B}, {OP_STCE, "STCE", TYPE_B}, {OP_STCG, "STCG", TYPE_B}, {OP_LDA, "LDA", TYPE_B}, {OP_LDQ, "LDQ", TYPE_B}, {OP_ENB, "ENB", TYPE_B}, {OP_STZ, "STZ", TYPE_B}, {OP_STO, "STO", TYPE_B}, {OP_SLW, "SLW", TYPE_B}, {OP_STI, "STI", TYPE_B}, {OP_STA, "STA", TYPE_B}, {OP_STD, "STD", TYPE_B}, {OP_STT, "STT", TYPE_B}, {OP_STP, "STP", TYPE_B}, {OP_SXA, "SXA", TYPE_D}, {OP_SCA, "SCA", TYPE_D}, {OP_TIA, "TIA", TYPE_B}, {OP_SCHA, "SCHA", TYPE_B}, {OP_SCHC, "SCHC", TYPE_B}, {OP_SCHE, "SCHE", TYPE_B}, {OP_SCHG, "SCHG", TYPE_B}, {OP_SCDA, "SCDA", TYPE_B}, {OP_SCDC, "SCDC", TYPE_B}, {OP_SCDE, "SCDE", TYPE_B}, {OP_SCDG, "SCDG", TYPE_B}, {OP_ELD, "ELD", TYPE_B}, {OP_EAD, "EAD", TYPE_B}, {OP_EDP, "EDP", TYPE_B}, {OP_EMP, "EMP", TYPE_B}, {OP_PAX, "PAX", TYPE_F}, {OP_PAC, "PAC", TYPE_F}, {OP_PXA, "PXA", TYPE_F}, {OP_PCA, "PCA", TYPE_F}, {OP_CPY, "CPY", TYPE_B}, {OP_NOP, "NOP", TYPE_E}, {OP_RDS, "RDS", TYPE_D}, {OP_BSR, "BSR", TYPE_D}, {OP_LLS, "LLS", TYPE_D}, {OP_LRS, "LRS", TYPE_D}, {OP_WRS, "WRS", TYPE_D}, {OP_ALS, "ALS", TYPE_D}, {OP_WEF, "WEF", TYPE_D}, {OP_ARS, "ARS", TYPE_D}, {OP_REW, "REW", TYPE_D}, {OP_AXT, "AXT", TYPE_D}, {OP_DRS, "DRS", TYPE_D}, {0, NULL, TYPE_X} }; /* Negative opcodes */ t_opcode neg_ops[] = { {04760, "", TYPE_N}, {OP_TRCB, "TRCB", TYPE_B}, {OP_TRCD, "TRCD", TYPE_B}, {OP_TRCF, "TRCF", TYPE_B}, {OP_TRCH, "TRCH", TYPE_B}, {OP_TEFB, "TEFB", TYPE_B}, {OP_TEFD, "TEFD", TYPE_B}, {OP_TEFF, "TEFF", TYPE_B}, {OP_TEFH, "TEFH", TYPE_B}, {OP_RIA, "RIA", TYPE_B}, {OP_PIA, "PIA", TYPE_E}, {OP_IIL, "IIL", TYPE_G}, {OP_LFT, "LFT", TYPE_G}, {OP_SIL, "SIL", TYPE_G}, {OP_LNT, "LNT", TYPE_G}, {OP_RIL, "RIL", TYPE_G}, {OP_TCNA, "TCNA", TYPE_B}, {OP_TCNB, "TCNB", TYPE_B}, {OP_TCNC, "TCNC", TYPE_B}, {OP_TCND, "TCND", TYPE_B}, {OP_TCNE, "TCNE", TYPE_B}, {OP_TCNF, "TCNF", TYPE_B}, {OP_TCNG, "TCNG", TYPE_B}, {OP_TCNH, "TCNH", TYPE_B}, {OP_ESNT, "ESNT", TYPE_B}, {OP_TNZ, "TNZ", TYPE_B}, {OP_CAQ, "CAQ", TYPE_C}, {OP_TMI, "TMI", TYPE_B}, {OP_XCL, "XCL", TYPE_E}, {OP_TNO, "TNO", TYPE_B}, {OP_CRQ, "CRQ", TYPE_C}, {OP_DUFA, "DUFA", TYPE_B}, {OP_DUAM, "DUAM", TYPE_B}, {OP_DUFS, "DUFS", TYPE_B}, {OP_DUSM, "DUSM", TYPE_B}, {OP_DUFM, "DUFM", TYPE_B}, {OP_DFDH, "DFDH", TYPE_B}, {OP_DFDP, "DFDP", TYPE_B}, {OP_MPR, "MPR", TYPE_B}, {OP_UFM, "UFM", TYPE_B}, {OP_UFA, "UFA", TYPE_B}, {OP_UFS, "UFS", TYPE_B}, {OP_UAM, "UAM", TYPE_B}, {OP_USM, "USM", TYPE_B}, {OP_ANA, "ANA", TYPE_B}, {OP_LAS, "LAS", TYPE_B}, {OP_SBM, "SBM", TYPE_B}, {OP_CAL, "CAL", TYPE_B}, {OP_ORA, "ORA", TYPE_B}, {OP_NZT, "NZT", TYPE_B}, {OP_LXD, "LXD", TYPE_D}, {OP_LDC, "LDC", TYPE_D}, {OP_RSCB, "RSCB", TYPE_B}, {OP_RSCD, "RSCD", TYPE_B}, {OP_RSCF, "RSCF", TYPE_B}, {OP_RSCH, "RSCH", TYPE_B}, {OP_STCB, "STCB", TYPE_B}, {OP_STCD, "STCD", TYPE_B}, {OP_STCF, "STCF", TYPE_B}, {OP_STCH, "STCH", TYPE_B}, {OP_STQ, "STQ", TYPE_B}, {OP_ORS, "ORS", TYPE_B}, {OP_DST, "DST", TYPE_B}, {OP_SLQ, "SLQ", TYPE_B}, {OP_STL, "STL", TYPE_B}, {OP_SCD, "SCD", TYPE_D}, {OP_SXD, "SXD", TYPE_D}, {OP_SRI, "SRI", TYPE_B}, {OP_SPI, "SPI", TYPE_B}, {OP_LPI, "LPI", TYPE_B}, {OP_PDX, "PDX", TYPE_F}, {OP_PDC, "PDC", TYPE_F}, {OP_ECQ, "ECQ", TYPE_B}, {OP_TIB, "TIB", TYPE_B}, {OP_SCHB, "SCHB", TYPE_B}, {OP_SCHD, "SCHD", TYPE_B}, {OP_SCHF, "SCHF", TYPE_B}, {OP_SCHH, "SCHH", TYPE_B}, {OP_SCDB, "SCDB", TYPE_B}, {OP_SCDD, "SCDD", TYPE_B}, {OP_SCDF, "SCDF", TYPE_B}, {OP_SCDH, "SCDH", TYPE_B}, {OP_ESB, "ESB", TYPE_B}, {OP_EUA, "EUA", TYPE_B}, {OP_EST, "EST", TYPE_B}, {OP_PXD, "PXD", TYPE_F}, {OP_PCD, "PCD", TYPE_F}, {OP_LGL, "LGL", TYPE_D}, {OP_BSF, "BSF", TYPE_D}, {OP_LGR, "LGR", TYPE_D}, {OP_CAD, "CAD", TYPE_B}, {OP_SPOP, "RPQ", TYPE_B}, {OP_RUN, "RUN", TYPE_D}, {OP_RQL, "RQL", TYPE_D}, {OP_AXC, "AXC", TYPE_D}, {OP_TRS, "TRS", TYPE_D}, {0, NULL, TYPE_X} }; /* Positive 0760 opcodes */ t_opcode pos_760[] = { {OP_CLM, "CLM", TYPE_E}, {OP_RDCA, "RDCA", TYPE_E}, {OP_RDCB, "RDCB", TYPE_E}, {OP_RDCC, "RDCC", TYPE_E}, {OP_RDCD, "RDCD", TYPE_E}, {OP_RDCE, "RDCE", TYPE_E}, {OP_RDCF, "RDCF", TYPE_E}, {OP_RDCG, "RDCG", TYPE_E}, {OP_RDCH, "RDCH", TYPE_E}, {OP_RICA, "RICA", TYPE_E}, {OP_RICB, "RICB", TYPE_E}, {OP_RICC, "RICC", TYPE_E}, {OP_RICD, "RICD", TYPE_E}, {OP_RICE, "RICE", TYPE_E}, {OP_RICF, "RICF", TYPE_E}, {OP_RICG, "RICG", TYPE_E}, {OP_RICH, "RICH", TYPE_E}, {OP_BTTA, "BTTA", TYPE_E}, {OP_BTTB, "BTTB", TYPE_E}, {OP_BTTC, "BTTC", TYPE_E}, {OP_BTTD, "BTTD", TYPE_E}, {OP_BTTE, "BTTE", TYPE_E}, {OP_BTTF, "BTTF", TYPE_E}, {OP_BTTG, "BTTG", TYPE_E}, {OP_BTTH, "BTTH", TYPE_E}, {OP_LBT, "LBT", TYPE_E}, {OP_CHS, "CHS", TYPE_E}, {OP_SSP, "SSP", TYPE_E}, {OP_ENK, "ENK", TYPE_E}, {OP_IOT, "IOT", TYPE_E}, {OP_COM, "COM", TYPE_E}, {OP_ETM, "ETM", TYPE_E}, {OP_RND, "RND", TYPE_E}, {OP_FRN, "FRN", TYPE_E}, {OP_DCT, "DCT", TYPE_E}, {OP_RCT, "RCT", TYPE_E}, {OP_LMTM, "LMTM", TYPE_E}, {OP_SLF, "SLF", TYPE_E}, {OP_SLN1, "SLN1", TYPE_E}, {OP_SLN2, "SLN2", TYPE_E}, {OP_SLN3, "SLN3", TYPE_E}, {OP_SLN4, "SLN4", TYPE_E}, {OP_SLN5, "SLN5", TYPE_E}, {OP_SLN6, "SLN6", TYPE_E}, {OP_SLN7, "SLN7", TYPE_E}, {OP_SLN8, "SLN8", TYPE_E}, {OP_SWT1, "SWT1", TYPE_E}, {OP_SWT2, "SWT2", TYPE_E}, {OP_SWT3, "SWT3", TYPE_E}, {OP_SWT4, "SWT4", TYPE_E}, {OP_SWT5, "SWT5", TYPE_E}, {OP_SWT6, "SWT6", TYPE_E}, {OP_PSE, "PSE", TYPE_E}, {0, NULL, TYPE_X} }; /* Negative 0760 opcodes */ t_opcode neg_760[] = { {OP_ETTA, "ETTA", TYPE_E}, {OP_ETTB, "ETTB", TYPE_E}, {OP_ETTC, "ETTC", TYPE_E}, {OP_ETTD, "ETTD", TYPE_E}, {OP_ETTE, "ETTE", TYPE_E}, {OP_ETTF, "ETTF", TYPE_E}, {OP_ETTG, "ETTG", TYPE_E}, {OP_ETTH, "ETTH", TYPE_E}, {OP_PBT, "PBT", TYPE_E}, {OP_EFTM, "EFTM", TYPE_E}, {OP_SSM, "SSM", TYPE_E}, {OP_LFTM, "LFTM", TYPE_E}, {OP_ESTM, "ESTM", TYPE_E}, {OP_ECTM, "ECTM", TYPE_E}, {OP_LTM, "LTM", TYPE_E}, {OP_EMTM, "EMTM", TYPE_E}, {OP_RTT, "RTT", TYPE_E}, {OP_ETT, "ETT", TYPE_E}, {OP_SLT1, "SLT1", TYPE_E}, {OP_SLT2, "SLT2", TYPE_E}, {OP_SLT3, "SLT3", TYPE_E}, {OP_SLT4, "SLT4", TYPE_E}, {OP_SLT5, "SLT5", TYPE_E}, {OP_SLT6, "SLT6", TYPE_E}, {OP_SLT7, "SLT7", TYPE_E}, {OP_SLT8, "SLT8", TYPE_E}, {OP_SWT7, "SWT7", TYPE_E}, {OP_SWT8, "SWT8", TYPE_E}, {OP_SWT9, "SWT9", TYPE_E}, {OP_SWT10, "SWT10", TYPE_E}, {OP_SWT11, "SWT11", TYPE_E}, {OP_SWT12, "SWT12", TYPE_E}, {OP_MSE, "MSE", TYPE_D}, {0, NULL, TYPE_X} }; char *chname[] = { #if NUM_CHAN > 1 "*", "A", "B", "C", "D", "E", "F", "G", "H" #else "*" #endif }; void lookup_sopcode(FILE * of, t_value val, t_opcode * tab) { uint16 op = (uint16)(val & 07777); while (tab->name != NULL) { if (tab->opbase == op) { fputs(tab->name, of); switch (tab->type) { case TYPE_D: fputc(' ', of); fprint_val(of, val & AMASK, 8, 14, PV_RZRO); if ((val & TMASK) != 0) { fputc(',', of); fputc('0' + (7 & (int)(val >> 15)), of); } return; case TYPE_E: if ((val & TMASK) != 0) { fputc(' ', of); fputc('0' + (7 & (int)(val >> 15)), of); } return; default: return; } } tab++; } tab--; fputs(tab->name, of); fputc(' ', of); fprint_val(of, val & AMASK, 8, 14, PV_RZRO); if ((val & TMASK) != 0) { fputc(',', of); fputc('0' + (7 & (int)(val >> 15)), of); } } void lookup_opcode(FILE * of, t_value val, t_opcode * tab) { uint16 op = (uint16)(val >> 24) & 07777; while (tab->name != NULL) { if (tab->opbase == op) { fputs(tab->name, of); switch (tab->type) { case TYPE_B: if ((val & 0000060000000LL) == 0000060000000LL) fputc('*', of); fputc(' ', of); fprint_val(of, val & AMASK, 8, 14, PV_RZRO); if ((val & TMASK) != 0) { fputc(',', of); fputc('0' + (7 & (int)(val >> 15)), of); } return; case TYPE_C: fputc(' ', of); fprint_val(of, val & AMASK, 8, 14, PV_RZRO); fputc(',', of); fprint_val(of, (val >> 17) & 0000777LL, 8, 9, PV_RZRO); if ((val & TMASK) != 0) { fputc(',', of); fputc('0' + (7 & (int)(val >> 15)), of); } return; case TYPE_D: fputc(' ', of); fprint_val(of, val & AMASK, 8, 14, PV_RZRO); if ((val & TMASK) != 0) { fputc(',', of); fputc('0' + (7 & (int)(val >> 15)), of); } return; case TYPE_E: return; case TYPE_F: fputc(' ', of); fprint_val(of, val & AMASK, 8, 14, PV_RZRO); fputc(',', of); fputc('0' + (7 & (int)(val >> 15)), of); return; case TYPE_G: fputc(' ', of); fprint_val(of, val & RMASK, 8, 18, PV_RZRO); return; case TYPE_P: lookup_sopcode(of, val, pos_760); return; case TYPE_N: lookup_sopcode(of, val, neg_760); return; default: return; } } tab++; } fprintf(of, " %o Unknown opcode", op); } /* Symbolic decode Inputs: *of = output stream addr = current PC *val = pointer to values *uptr = pointer to unit sw = switches Outputs: return = status code */ t_stat fprint_sym(FILE * of, t_addr addr, t_value * val, UNIT * uptr, int32 sw) { t_uint64 inst = *val; /* Print value in octal first */ fputc(' ', of); if (inst & MSIGN) fputc('-', of); else fputc(' ', of); fprint_val(of, inst & PMASK, 8, 35, PV_RZRO); if (sw & SWMASK('C')) { int i; fputs(" '", of); for (i = 5; i >= 0; i--) { int ch; ch = (int)(inst >> (6 * i)) & 077; fputc(mem_to_ascii[ch], of); } fputc('\'', of); } /* -m only valid on CPU */ if ((uptr != NULL) && (uptr != &cpu_unit)) return SCPE_ARG; /* CPU? */ if (sw & SWMASK('M')) { fputs(" ", of); switch (07 & (inst >> 33)) { case OP_TXI: fputs("TXI ", of); goto type_a; case OP_TIX: fputs("TIX ", of); goto type_a; case OP_TXH: fputs("TXH ", of); goto type_a; case OP_STR: fputs("STR ", of); break; case OP_TNX: fputs("TNX ", of); goto type_a; case OP_TXL: fputs("TXL ", of); goto type_a; type_a: fprint_val(of, inst & AMASK, 8, 14, PV_RZRO); fputc(',', of); fputc('0' + (7 & (int)(inst >> 15)), of); fputc(',', of); fprint_val(of, (inst >> 18) & AMASK, 8, 14, PV_RZRO); break; case 04: lookup_opcode(of, inst, neg_ops); break; case 00: lookup_opcode(of, inst, pos_ops); break; } } return SCPE_OK; } t_opcode * find_opcode(char *op, t_opcode * tab) { while (tab->name != NULL) { if (*tab->name != '\0' && strcmp(op, tab->name) == 0) return tab; tab++; } return NULL; } /* Symbolic input Inputs: *cptr = pointer to input string addr = current PC uptr = pointer to unit *val = pointer to output values sw = switches Outputs: status = error status */ t_stat parse_sym(char *cptr, t_addr addr, UNIT * uptr, t_value * val, int32 sw) { int i; t_value d, tag; int sign; char buffer[100]; t_stat r; while (isspace(*cptr)) cptr++; d = 0; if (sw & SWMASK('M')) { t_opcode *op; sign = 0; /* Grab opcode */ cptr = get_glyph(cptr, buffer, 0); /* Check for indirection */ i = strlen(buffer); if (i > 0 && buffer[i-1] == '*') { buffer[i-1] = '\0'; sign = 1; } if ((op = find_opcode(buffer, base_ops)) != 0) { d = (t_uint64) op->opbase << 33; if (sign) return STOP_UUO; } else if ((op = find_opcode(buffer, pos_ops)) != 0 || (op = find_opcode(buffer, neg_ops)) != 0) { d = (t_uint64) op->opbase << 24; if (sign) d |= 03LL << 22; } else if ((op = find_opcode(buffer, pos_760)) != 0) { d = 00760LL << 24; d += op->opbase; } else if ((op = find_opcode(buffer, neg_760)) != 0) { d = 04760LL << 24; d += op->opbase; } else { return STOP_UUO; } if (op->type == TYPE_E) { *val = d; return SCPE_OK; } /* Collect first argument if there is one */ cptr = get_glyph(cptr, buffer, ','); tag = get_uint (buffer, 8, (op->type == TYPE_G) ? RMASK: AMASK, &r); if (r != SCPE_OK) return r; d += tag; if (*cptr != '\0') { tag = 0; /* Collect second argument if there is one */ cptr = get_glyph(cptr, buffer, ','); if (buffer[0] != '\0') { tag = get_uint (buffer, 8, 07LL, &r); if (r != SCPE_OK) return r; d += tag << 15; } if (*cptr != '\0') { cptr = get_glyph(cptr, buffer, 0); if (buffer[0] != '\0') { tag = get_uint (buffer, 8, AMASK, &r); if (r != SCPE_OK) return r; if (op->type == TYPE_C) d += tag << 15; else d += tag << 18; } } } if (*cptr != '\0') return STOP_UUO; *val = d; return SCPE_OK; } else if (sw & SWMASK('C')) { i = 0; while (*cptr != '\0' && i < 6) { d <<= 6; if (ascii_to_mem[0177 & *cptr] != -1) d |= ascii_to_mem[0177 & *cptr]; cptr++; i++; } while (i < 6) { d <<= 6; d |= 060; i++; } } else { if (*cptr == '-') { sign = 1; cptr++; } else { sign = 0; if (*cptr == '+') cptr++; } d = get_uint(cptr, 8, WMASK, &r); if (r != SCPE_OK) return r; if (sign) d |= MSIGN; } *val = d; return SCPE_OK; }