| /* i7090_sys.c: IBM 7090 Simulator system interface. | |
| Copyright (c) 2005-2016, 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 | |
| RICHARD CORNWELL 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 "sim_card.h" | |
| #include <ctype.h> | |
| t_stat parse_sym(CONST 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 CPANEL | |
| &cp_dev, | |
| #endif | |
| #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, 0200, 0740, &mt_cmd, | |
| &mt_ini }; | |
| #endif | |
| #ifdef NUM_DEVS_CHRON | |
| DIB chron_dib = { CH_TYP_PIO|CH_TYP_76XX, 1, 0200, 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}, | |
| {"CTSS", DEBUG_CTSS}, | |
| {"PROT", DEBUG_PROT}, | |
| {0, 0} | |
| }; | |
| DEBTAB crd_debug[] = { | |
| {"CHAN", DEBUG_CHAN}, | |
| {"CMD", DEBUG_CMD}, | |
| {"DATA", DEBUG_DATA}, | |
| {"DETAIL", DEBUG_DETAIL}, | |
| {"EXP", DEBUG_EXP}, | |
| {"CARD", DEBUG_CARD}, | |
| {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, CONST char *cptr, CONST char *fnam, int flag) | |
| { | |
| t_uint64 wd; | |
| t_uint64 mask; | |
| uint8 buffer[160]; | |
| int addr = 0; | |
| int dlen = 0; | |
| char *p; | |
| int i, j; | |
| if (match_ext(fnam, "crd")) { | |
| 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 (match_ext(fnam, "cbn")) { | |
| 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 (match_ext(fnam, "oct")) { | |
| while (fgets((char *)buffer, 80, fileref) != 0) { | |
| for(p = (char *)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 (match_ext(fnam, "sym")) { | |
| while (fgets((char *)buffer, 80, fileref) != 0) { | |
| for(p = (char *)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(sim_strncasecmp(p, "BCD", 3) == 0) { | |
| p += 4; | |
| parse_sym(++p, addr, &cpu_unit, &M[addr], SWMASK('C')); | |
| } else if (sim_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; | |
| const 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} | |
| }; | |
| const char *chname[11] = { | |
| "*", "A", "B", "C", "D", "E", "F", "G", "H" | |
| }; | |
| 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('L')) { | |
| t_uint64 v; | |
| fputs(" L ", of); | |
| v = (inst >> 18) & AMASK; | |
| v = AMASK & ((AMASK ^ v) + 1); | |
| fprint_val(of, v, 8, 15, PV_RZRO); | |
| fputs(", ", of); | |
| v = AMASK & ((AMASK ^ inst) + 1); | |
| fprint_val(of, v, 8, 15, 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(CONST 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] != (const char)-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; | |
| } |