/* vax_sys.c: VAX simulator interface Copyright (c) 1998-2005, Robert M Supnik 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. Except as contained in this notice, the name of Robert M Supnik shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from Robert M Supnik. 04-Sep-05 RMS Fixed missing assignment (found by Peter Schorn) 16-Aug-05 RMS Fixed C++ declaration and cast problems 15-Sep-04 RMS Fixed bugs in character display and parse 30-Sep-04 RMS Fixed bugs in parsing indirect displacement modes Added compatibility mode support 04-Sep-04 RMS Added octa instruction support 02-Sep-04 RMS Fixed parse branch return status 13-Jul-04 RMS Fixed bad block routine 16-Jun-04 RMS Added DHQ11 support 21-Mar-04 RMS Added RXV21 support 06-May-03 RMS Added support for second DELQA 12-Oct-02 RMS Added multiple RQ controller support 10-Oct-02 RMS Added DELQA support 21-Sep-02 RMS Extended symbolic ex/mod to all byte devices 06-Sep-02 RMS Added TMSCP support 14-Jul-02 RMS Added infinite loop message */ #include "vax_defs.h" #include #if defined (FULL_VAX) #define ODC(x) (x) #else #define ODC(x) ((x) << DR_V_USPMASK) #endif extern UNIT cpu_unit; extern REG cpu_reg[]; extern int32 saved_PC; extern int32 PSL; extern int32 sim_switches; t_stat fprint_sym_m (FILE *of, uint32 addr, t_value *val); int32 fprint_sym_qoimm (FILE *of, t_value *val, int32 vp, int32 lnt); t_stat parse_char (char *cptr, t_value *val, int32 lnt); t_stat parse_sym_m (char *cptr, uint32 addr, t_value *val); int32 parse_brdisp (char *cptr, uint32 addr, t_value *val, int32 vp, int32 lnt, t_stat *r); int32 parse_spec (char *cptr, uint32 addr, t_value *val, int32 vp, int32 disp, t_stat *r); char *parse_rnum (char *cptr, int32 *rn); int32 parse_sym_qoimm (int32 *lit, t_value *val, int32 vp, int lnt, int32 minus); extern t_stat fprint_sym_cm (FILE *of, t_addr addr, t_value *bytes, int32 sw); t_stat parse_sym_cm (char *cptr, t_addr addr, t_value *bytes, 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 */ REG *sim_PC = &cpu_reg[0]; int32 sim_emax = 60; const char *sim_stop_messages[] = { "Unknown error", "HALT instruction", "Breakpoint", "CHMx on interrupt stack", "Invalid SCB vector", "Exception in interrupt or exception", "Process PTE in P0 or P1 space", "Interrupt at undefined IPL", "Fatal RQDX3 error", "Infinite loop", "Sanity timer expired", "Unknown error", "Unknown abort code" }; /* Factory bad block table creation routine This routine writes a DEC standard 044 compliant bad block table on the last track of the specified unit. The bad block table consists of 10 repetitions of the same table, formatted as follows: words 0-1 pack id number words 2-3 cylinder/sector/surface specifications : words n-n+1 end of table (-1,-1) Inputs: uptr = pointer to unit sec = number of sectors per surface wds = number of words per sector Outputs: sta = status code */ t_stat pdp11_bad_block (UNIT *uptr, int32 sec, int32 wds) { int32 i; t_addr da; uint16 *buf; if ((sec < 2) || (wds < 16)) return SCPE_ARG; if ((uptr->flags & UNIT_ATT) == 0) return SCPE_UNATT; if (!get_yn ("Overwrite last track? [N]", FALSE)) return SCPE_OK; da = (uptr->capac - (sec * wds)) * sizeof (uint16); if (sim_fseek (uptr->fileref, da, SEEK_SET)) return SCPE_IOERR; if ((buf = (uint16 *) malloc (wds * sizeof (uint16))) == NULL) return SCPE_MEM; buf[0] = 0x1234; buf[1] = 0x5678; buf[2] = buf[3] = 0; for (i = 4; i < wds; i++) buf[i] = 0xFFFF; for (i = 0; (i < sec) && (i < 10); i++) sim_fwrite (buf, sizeof (uint16), wds, uptr->fileref); free (buf); if (ferror (uptr->fileref)) return SCPE_IOERR; return SCPE_OK; } /* Dispatch/decoder table The first entry contains: - FPD legal flag (DR_F) - number of specifiers for decode bits 2:0> - number of specifiers for unimplemented instructions bits<6:4> */ const uint16 drom[NUM_INST][MAX_SPEC + 1] = { 0, 0, 0, 0, 0, 0, 0, /* HALT */ 0, 0, 0, 0, 0, 0, 0, /* NOP */ 0, 0, 0, 0, 0, 0, 0, /* REI */ 0, 0, 0, 0, 0, 0, 0, /* BPT */ 0, 0, 0, 0, 0, 0, 0, /* RET */ 0, 0, 0, 0, 0, 0, 0, /* RSB */ 0, 0, 0, 0, 0, 0, 0, /* LDPCTX */ 0, 0, 0, 0, 0, 0, 0, /* SVPCTX */ 4+DR_F, RW, AB, RW, AB, 0, 0, /* CVTPS */ 4+DR_F, RW, AB, RW, AB, 0, 0, /* CVTSP */ 6, RL, RL, RL, RL, RL, WL, /* INDEX */ 4+DR_F, AB, RL, RW, AB, 0, 0, /* CRC */ 3, RB, RW, AB, 0, 0, 0, /* PROBER */ 3, RB, RW, AB, 0, 0, 0, /* PROBEW */ 2, AB, AB, 0, 0, 0, 0, /* INSQUE */ 2, AB, WL, 0, 0, 0, 0, /* REMQUE */ 1, BB, 0, 0, 0, 0, 0, /* BSBB */ 1, BB, 0, 0, 0, 0, 0, /* BRB */ 1, BB, 0, 0, 0, 0, 0, /* BNEQ */ 1, BB, 0, 0, 0, 0, 0, /* BEQL */ 1, BB, 0, 0, 0, 0, 0, /* BGTR */ 1, BB, 0, 0, 0, 0, 0, /* BLEQ */ 1, AB, 0, 0, 0, 0, 0, /* JSB */ 1, AB, 0, 0, 0, 0, 0, /* JMP */ 1, BB, 0, 0, 0, 0, 0, /* BGEQ */ 1, BB, 0, 0, 0, 0, 0, /* BLSS */ 1, BB, 0, 0, 0, 0, 0, /* BGTRU */ 1, BB, 0, 0, 0, 0, 0, /* BLEQU */ 1, BB, 0, 0, 0, 0, 0, /* BVC */ 1, BB, 0, 0, 0, 0, 0, /* BVS */ 1, BB, 0, 0, 0, 0, 0, /* BCC */ 1, BB, 0, 0, 0, 0, 0, /* BCS */ 4+DR_F, RW, AB, RW, AB, 0, 0, /* ADDP4 */ 6+DR_F, RW, AB, RW, AB, RW, AB, /* ADDP6 */ 4+DR_F, RW, AB, RW, AB, 0, 0, /* SUBP4 */ 6+DR_F, RW, AB, RW, AB, RW, AB, /* SUBP6 */ 5+DR_F, RW, AB, AB, RW, AB, 0, /* CVTPT */ 6+DR_F, RW, AB, RW, AB, RW, AB, /* MULP6 */ 5+DR_F, RW, AB, AB, RW, AB, 0, /* CVTTP */ 6+DR_F, RW, AB, RW, AB, RW, AB, /* DIVP6 */ 3+DR_F, RW, AB, AB, 0, 0, 0, /* MOVC3 */ 3+DR_F, RW, AB, AB, 0, 0, 0, /* CMPC3 */ 4+DR_F, RW, AB, AB, RB, 0, 0, /* SCANC */ 4+DR_F, RW, AB, AB, RB, 0, 0, /* SPANC */ 5+DR_F, RW, AB, RB, RW, AB, 0, /* MOVC5 */ 5+DR_F, RW, AB, RB, RW, AB, 0, /* CMPC5 */ 6+DR_F, RW, AB, RB, AB, RW, AB, /* MOVTC */ 6+DR_F, RW, AB, RB, AB, RW, AB, /* MOVTUC */ 1, BW, 0, 0, 0, 0, 0, /* BSBW */ 1, BW, 0, 0, 0, 0, 0, /* BRW */ 2, RW, WL, 0, 0, 0, 0, /* CVTWL */ 2, RW, WB, 0, 0, 0, 0, /* CVTWB */ 3+DR_F, RW, AB, AB, 0, 0, 0, /* MOVP */ 3+DR_F, RW, AB, AB, 0, 0, 0, /* CMPP3 */ 3+DR_F, RW, AB, WL, 0, 0, 0, /* CVTPL */ 4+DR_F, RW, AB, RW, AB, 0, 0, /* CMPP4 */ 4+DR_F, RW, AB, AB, AB, 0, 0, /* EDITPC */ 4+DR_F, RW, AB, RW, AB, 0, 0, /* MATCHC */ 3+DR_F, RB, RW, AB, 0, 0, 0, /* LOCC */ 3+DR_F, RB, RW, AB, 0, 0, 0, /* SKPC */ 2, RW, WL, 0, 0, 0, 0, /* MOVZWL */ 4, RW, RW, MW, BW, 0, 0, /* ACBW */ 2, AW, WL, 0, 0, 0, 0, /* MOVAW */ 1, AW, 0, 0, 0, 0, 0, /* PUSHAW */ 2, RF, ML, 0, 0, 0, 0, /* ADDF2 */ 3, RF, RF, WL, 0, 0, 0, /* ADDF3 */ 2, RF, ML, 0, 0, 0, 0, /* SUBF2 */ 3, RF, RF, WL, 0, 0, 0, /* SUBF3 */ 2, RF, ML, 0, 0, 0, 0, /* MULF2 */ 3, RF, RF, WL, 0, 0, 0, /* MULF3 */ 2, RF, ML, 0, 0, 0, 0, /* DIVF2 */ 3, RF, RF, WL, 0, 0, 0, /* DIVF3 */ 2, RF, WB, 0, 0, 0, 0, /* CVTFB */ 2, RF, WW, 0, 0, 0, 0, /* CVTFW */ 2, RF, WL, 0, 0, 0, 0, /* CVTFL */ 2, RF, WL, 0, 0, 0, 0, /* CVTRFL */ 2, RB, WL, 0, 0, 0, 0, /* CVTBF */ 2, RW, WL, 0, 0, 0, 0, /* CVTWF */ 2, RL, WL, 0, 0, 0, 0, /* CVTLF */ 4, RF, RF, ML, BW, 0, 0, /* ACBF */ 2, RF, WL, 0, 0, 0, 0, /* MOVF */ 2, RF, RF, 0, 0, 0, 0, /* CMPF */ 2, RF, WL, 0, 0, 0, 0, /* MNEGF */ 1, RF, 0, 0, 0, 0, 0, /* TSTF */ 5, RF, RB, RF, WL, WL, 0, /* EMODF */ 3, RF, RW, AB, 0, 0, 0, /* POLYF */ 2, RF, WQ, 0, 0, 0, 0, /* CVTFD */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 2, RW, WW, 0, 0, 0, 0, /* ADAWI */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 2, AB, AQ, 0, 0, 0, 0, /* INSQHI */ 2, AB, AQ, 0, 0, 0, 0, /* INSQTI */ 2, AQ, WL, 0, 0, 0, 0, /* REMQHI */ 2, AQ, WL, 0, 0, 0, 0, /* REMQTI */ 2, RD, MQ, 0, 0, 0, 0, /* ADDD2 */ 3, RD, RD, WQ, 0, 0, 0, /* ADDD3 */ 2, RD, MQ, 0, 0, 0, 0, /* SUBD2 */ 3, RD, RD, WQ, 0, 0, 0, /* SUBD3 */ 2, RD, MQ, 0, 0, 0, 0, /* MULD2 */ 3, RD, RD, WQ, 0, 0, 0, /* MULD3 */ 2, RD, MQ, 0, 0, 0, 0, /* DIVD2 */ 3, RD, RD, WQ, 0, 0, 0, /* DIVD3 */ 2, RD, WB, 0, 0, 0, 0, /* CVTDB */ 2, RD, WW, 0, 0, 0, 0, /* CVTDW */ 2, RD, WL, 0, 0, 0, 0, /* CVTDL */ 2, RD, WL, 0, 0, 0, 0, /* CVTRDL */ 2, RB, WQ, 0, 0, 0, 0, /* CVTBD */ 2, RW, WQ, 0, 0, 0, 0, /* CVTWD */ 2, RL, WQ, 0, 0, 0, 0, /* CVTLD */ 4, RD, RD, MQ, BW, 0, 0, /* ACBD */ 2, RD, WQ, 0, 0, 0, 0, /* MOVD */ 2, RD, RD, 0, 0, 0, 0, /* CMPD */ 2, RD, WQ, 0, 0, 0, 0, /* MNEGD */ 1, RD, 0, 0, 0, 0, 0, /* TSTD */ 5, RD, RB, RD, WL, WQ, 0, /* EMODD */ 3, RD, RW, AB, 0, 0, 0, /* POLYD */ 2, RD, WL, 0, 0, 0, 0, /* CVTDF */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 3, RB, RL, WL, 0, 0, 0, /* ASHL */ 3, RB, RQ, WQ, 0, 0, 0, /* ASHQ */ 4, RL, RL, RL, WQ, 0, 0, /* EMUL */ 4, RL, RQ, WL, WL, 0, 0, /* EDIV */ 1, WQ, 0, 0, 0, 0, 0, /* CLRQ */ 2, RQ, WQ, 0, 0, 0, 0, /* MOVQ */ 2, AQ, WL, 0, 0, 0, 0, /* MOVAQ */ 1, AQ, 0, 0, 0, 0, 0, /* PUSHAQ */ 2, RB, MB, 0, 0, 0, 0, /* ADDB2 */ 3, RB, RB, WB, 0, 0, 0, /* ADDB3 */ 2, RB, MB, 0, 0, 0, 0, /* SUBB2 */ 3, RB, RB, WB, 0, 0, 0, /* SUBB3 */ 2, RB, MB, 0, 0, 0, 0, /* MULB2 */ 3, RB, RB, WB, 0, 0, 0, /* MULB3 */ 2, RB, MB, 0, 0, 0, 0, /* DIVB2 */ 3, RB, RB, WB, 0, 0, 0, /* DIVB3 */ 2, RB, MB, 0, 0, 0, 0, /* BISB2 */ 3, RB, RB, WB, 0, 0, 0, /* BISB3 */ 2, RB, MB, 0, 0, 0, 0, /* BICB2 */ 3, RB, RB, WB, 0, 0, 0, /* BICB3 */ 2, RB, MB, 0, 0, 0, 0, /* XORB2 */ 3, RB, RB, WB, 0, 0, 0, /* XORB3 */ 2, RB, WB, 0, 0, 0, 0, /* MNEGB */ 3, RB, RB, RB, 0, 0, 0, /* CASEB */ 2, RB, WB, 0, 0, 0, 0, /* MOVB */ 2, RB, RB, 0, 0, 0, 0, /* CMPB */ 2, RB, WB, 0, 0, 0, 0, /* MCOMB */ 2, RB, RB, 0, 0, 0, 0, /* BITB */ 1, WB, 0, 0, 0, 0, 0, /* CLRB */ 1, RB, 0, 0, 0, 0, 0, /* TSTB */ 1, MB, 0, 0, 0, 0, 0, /* INCB */ 1, MB, 0, 0, 0, 0, 0, /* DECB */ 2, RB, WL, 0, 0, 0, 0, /* CVTBL */ 2, RB, WW, 0, 0, 0, 0, /* CVTBW */ 2, RB, WL, 0, 0, 0, 0, /* MOVZBL */ 2, RB, WW, 0, 0, 0, 0, /* MOVZBW */ 3, RB, RL, WL, 0, 0, 0, /* ROTL */ 4, RB, RB, MB, BW, 0, 0, /* ACBB */ 2, AB, WL, 0, 0, 0, 0, /* MOVAB */ 1, AB, 0, 0, 0, 0, 0, /* PUSHAB */ 2, RW, MW, 0, 0, 0, 0, /* ADDW2 */ 3, RW, RW, WW, 0, 0, 0, /* ADDW3 */ 2, RW, MW, 0, 0, 0, 0, /* SUBW2 */ 3, RW, RW, WW, 0, 0, 0, /* SUBW3 */ 2, RW, MW, 0, 0, 0, 0, /* MULW2 */ 3, RW, RW, WW, 0, 0, 0, /* MULW3 */ 2, RW, MW, 0, 0, 0, 0, /* DIVW2 */ 3, RW, RW, WW, 0, 0, 0, /* DIVW3 */ 2, RW, MW, 0, 0, 0, 0, /* BISW2 */ 3, RW, RW, WW, 0, 0, 0, /* BISW3 */ 2, RW, MW, 0, 0, 0, 0, /* BICW2 */ 3, RW, RW, WW, 0, 0, 0, /* BICW3 */ 2, RW, MW, 0, 0, 0, 0, /* XORW2 */ 3, RW, RW, WW, 0, 0, 0, /* XORW3 */ 2, RW, WW, 0, 0, 0, 0, /* MNEGW */ 3, RW, RW, RW, 0, 0, 0, /* CASEW */ 2, RW, WW, 0, 0, 0, 0, /* MOVW */ 2, RW, RW, 0, 0, 0, 0, /* CMPW */ 2, RW, WW, 0, 0, 0, 0, /* MCOMW */ 2, RW, RW, 0, 0, 0, 0, /* BITW */ 1, WW, 0, 0, 0, 0, 0, /* CLRW */ 1, RW, 0, 0, 0, 0, 0, /* TSTW */ 1, MW, 0, 0, 0, 0, 0, /* INCW */ 1, MW, 0, 0, 0, 0, 0, /* DECW */ 1, RW, 0, 0, 0, 0, 0, /* BISPSW */ 1, RW, 0, 0, 0, 0, 0, /* BICPSW */ 1, RW, 0, 0, 0, 0, 0, /* POPR */ 1, RW, 0, 0, 0, 0, 0, /* PUSHR */ 1, RW, 0, 0, 0, 0, 0, /* CHMK */ 1, RW, 0, 0, 0, 0, 0, /* CHME */ 1, RW, 0, 0, 0, 0, 0, /* CHMS */ 1, RW, 0, 0, 0, 0, 0, /* CHMU */ 2, RL, ML, 0, 0, 0, 0, /* ADDL2 */ 3, RL, RL, WL, 0, 0, 0, /* ADDL3 */ 2, RL, ML, 0, 0, 0, 0, /* SUBL2 */ 3, RL, RL, WL, 0, 0, 0, /* SUBL3 */ 2, RL, ML, 0, 0, 0, 0, /* MULL2 */ 3, RL, RL, WL, 0, 0, 0, /* MULL3 */ 2, RL, ML, 0, 0, 0, 0, /* DIVL2 */ 3, RL, RL, WL, 0, 0, 0, /* DIVL3 */ 2, RL, ML, 0, 0, 0, 0, /* BISL2 */ 3, RL, RL, WL, 0, 0, 0, /* BISL3 */ 2, RL, ML, 0, 0, 0, 0, /* BICL2 */ 3, RL, RL, WL, 0, 0, 0, /* BICL3 */ 2, RL, ML, 0, 0, 0, 0, /* XORL2 */ 3, RL, RL, WL, 0, 0, 0, /* XORL3 */ 2, RL, WL, 0, 0, 0, 0, /* MNEGL */ 3, RL, RL, RL, 0, 0, 0, /* CASEL */ 2, RL, WL, 0, 0, 0, 0, /* MOVL */ 2, RL, RL, 0, 0, 0, 0, /* CMPL */ 2, RL, WL, 0, 0, 0, 0, /* MCOML */ 2, RL, RL, 0, 0, 0, 0, /* BITL */ 1, WL, 0, 0, 0, 0, 0, /* CLRL */ 1, RL, 0, 0, 0, 0, 0, /* TSTL */ 1, ML, 0, 0, 0, 0, 0, /* INCL */ 1, ML, 0, 0, 0, 0, 0, /* DECL */ 2, RL, ML, 0, 0, 0, 0, /* ADWC */ 2, RL, ML, 0, 0, 0, 0, /* SBWC */ 2, RL, RL, 0, 0, 0, 0, /* MTPR */ 2, RL, WL, 0, 0, 0, 0, /* MFPR */ 1, WL, 0, 0, 0, 0, 0, /* MOVPSL */ 1, RL, 0, 0, 0, 0, 0, /* PUSHL */ 2, AL, WL, 0, 0, 0, 0, /* MOVAL */ 1, AL, 0, 0, 0, 0, 0, /* PUSHAL */ 3, RL, VB, BB, 0, 0, 0, /* BBS */ 3, RL, VB, BB, 0, 0, 0, /* BBC */ 3, RL, VB, BB, 0, 0, 0, /* BBSS */ 3, RL, VB, BB, 0, 0, 0, /* BBCS */ 3, RL, VB, BB, 0, 0, 0, /* BBSC */ 3, RL, VB, BB, 0, 0, 0, /* BBCC */ 3, RL, VB, BB, 0, 0, 0, /* BBSSI */ 3, RL, VB, BB, 0, 0, 0, /* BBCCI */ 2, RL, BB, 0, 0, 0, 0, /* BLBS */ 2, RL, BB, 0, 0, 0, 0, /* BLBC */ 4, RL, RB, VB, WL, 0, 0, /* FFS */ 4, RL, RB, VB, WL, 0, 0, /* FFC */ 4, RL, RB, VB, RL, 0, 0, /* CMPV */ 4, RL, RB, VB, RL, 0, 0, /* CMPZV */ 4, RL, RB, VB, WL, 0, 0, /* EXTV */ 4, RL, RB, VB, WL, 0, 0, /* EXTZV */ 4, RL, RL, RB, VB, 0, 0, /* INSV */ 4, RL, RL, ML, BW, 0, 0, /* ACBL */ 3, RL, ML, BB, 0, 0, 0, /* AOBLSS */ 3, RL, ML, BB, 0, 0, 0, /* AOBLEQ */ 2, ML, BB, 0, 0, 0, 0, /* SOBGEQ */ 2, ML, BB, 0, 0, 0, 0, /* SOBGTR */ 2, RL, WB, 0, 0, 0, 0, /* CVTLB */ 2, RL, WW, 0, 0, 0, 0, /* CVTLW */ 6+DR_F, RB, RW, AB, RB, RW, AB, /* ASHP */ 3+DR_F, RL, RW, AB, 0, 0, 0, /* CVTLP */ 2, AB, AB, 0, 0, 0, 0, /* CALLG */ 2, RL, AB, 0, 0, 0, 0, /* CALLS */ 0, 0, 0, 0, 0, 0, 0, /* XFC */ 0, 0, 0, 0, 0, 0, 0, /* 0FD */ 0, 0, 0, 0, 0, 0, 0, /* 0FE */ 0, 0, 0, 0, 0, 0, 0, /* 0FF */ 0, 0, 0, 0, 0, 0, 0, /* 100-10F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 110-11F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 120-12F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 130-13F */ 0, 0, 0, 0, 0, 0, 0, ODC(2), RD, WO, 0, 0, 0, 0, /* CVTDH */ 2, RG, WL, 0, 0, 0, 0, /* CVTGF */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, RG, MQ, 0, 0, 0, 0, /* ADDG2 */ 3, RG, RG, WQ, 0, 0, 0, /* ADDG3 */ 2, RG, MQ, 0, 0, 0, 0, /* SUBG2 */ 3, RG, RG, WQ, 0, 0, 0, /* SUBG3 */ 2, RG, MQ, 0, 0, 0, 0, /* MULG2 */ 3, RG, RG, WQ, 0, 0, 0, /* MULG3 */ 2, RG, MQ, 0, 0, 0, 0, /* DIVG2 */ 3, RG, RG, WQ, 0, 0, 0, /* DIVG3 */ 2, RG, WB, 0, 0, 0, 0, /* CVTGB */ 2, RG, WW, 0, 0, 0, 0, /* CVTGW */ 2, RG, WL, 0, 0, 0, 0, /* CVTGL */ 2, RG, WL, 0, 0, 0, 0, /* CVTRGL */ 2, RB, WQ, 0, 0, 0, 0, /* CVTBG */ 2, RW, WQ, 0, 0, 0, 0, /* CVTWG */ 2, RL, WQ, 0, 0, 0, 0, /* CVTLG */ 4, RG, RG, MQ, BW, 0, 0, /* ACBG */ 2, RG, WQ, 0, 0, 0, 0, /* MOVG */ 2, RG, RG, 0, 0, 0, 0, /* CMPG */ 2, RG, WQ, 0, 0, 0, 0, /* MNEGG */ 1, RG, 0, 0, 0, 0, 0, /* TSTG */ 5, RG, RW, RG, WL, WQ, 0, /* EMODG */ 3, RG, RW, AB, 0, 0, 0, /* POLYG */ ODC(2), RG, WO, 0, 0, 0, 0, /* CVTGH */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ ODC(2), RH, MO, 0, 0, 0, 0, /* ADDH2 */ ODC(3), RH, RH, WO, 0, 0, 0, /* ADDH3 */ ODC(2), RH, MO, 0, 0, 0, 0, /* SUBH2 */ ODC(3), RH, RH, WO, 0, 0, 0, /* SUBH3 */ ODC(2), RH, MO, 0, 0, 0, 0, /* MULH2 */ ODC(3), RH, RH, WO, 0, 0, 0, /* MULH3 */ ODC(2), RH, MO, 0, 0, 0, 0, /* DIVH2 */ ODC(3), RH, RH, WO, 0, 0, 0, /* DIVH3 */ ODC(2), RH, WB, 0, 0, 0, 0, /* CVTHB */ ODC(2), RH, WW, 0, 0, 0, 0, /* CVTHW */ ODC(2), RH, WL, 0, 0, 0, 0, /* CVTHL */ ODC(2), RH, WL, 0, 0, 0, 0, /* CVTRHL */ ODC(2), RB, WO, 0, 0, 0, 0, /* CVTBH */ ODC(2), RW, WO, 0, 0, 0, 0, /* CVTWH */ ODC(2), RL, WO, 0, 0, 0, 0, /* CVTLH */ ODC(4), RH, RH, MO, BW, 0, 0, /* ACBH */ ODC(2), RH, RO, 0, 0, 0, 0, /* MOVH */ ODC(2), RH, RH, 0, 0, 0, 0, /* CMPH */ ODC(2), RH, WO, 0, 0, 0, 0, /* MNEGH */ ODC(1), RH, 0, 0, 0, 0, 0, /* TSTH */ ODC(5), RH, RW, RH, WL, WO, 0, /* EMODH */ ODC(3), RH, RW, AB, 0, 0, 0, /* POLYH */ ODC(2), RH, WQ, 0, 0, 0, 0, /* CVTHG */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ 0, 0, 0, 0, 0, 0, 0, /* reserved */ ODC(1), WO, 0, 0, 0, 0, 0, /* CLRO */ ODC(2), RO, RO, 0, 0, 0, 0, /* MOVO */ ODC(2), AO, WL, 0, 0, 0, 0, /* MOVAO*/ ODC(1), AO, 0, 0, 0, 0, 0, /* PUSHAO*/ 0, 0, 0, 0, 0, 0, 0, /* 180-18F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 190-19F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ODC(2), RF, WO, 0, 0, 0, 0, /* CVTFH */ 2, RF, WQ, 0, 0, 0, 0, /* CVTFG */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1A0-1AF */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1B0-1BF */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1C0-1CF */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1D0-1DF */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1E0-1EF */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 1F0-1FF */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ODC(2), RH, WL, 0, 0, 0, 0, /* CVTHF */ ODC(2), RH, WQ, 0, 0, 0, 0, /* CVTHD */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; /* Opcode mnemonics table */ const char *opcode[] = { "HALT", "NOP", "REI", "BPT", "RET", "RSB", "LDPCTX", "SVPCTX", "CVTPS", "CVTSP", "INDEX", "CRC", "PROBER", "PROBEW", "INSQUE", "REMQUE", "BSBB", "BRB", "BNEQ", "BEQL", "BGTR", "BLEQ", "JSB", "JMP", "BGEQ", "BLSS", "BGTRU", "BLEQU", "BVC", "BVS", "BGEQU", "BLSSU", "ADDP4", "ADDP6", "SUBP4", "SUBP6", "CVTPT", "MULP6", "CVTTP", "DIVP", "MOVC3", "CMPC3", "SCANC", "SPANC", "MOVC5", "CMPC5", "MOVTC", "MOVTUC", "BSBW", "BRW", "CVTWL", "CVTWB", "MOVP", "CMPP3", "CVTPL", "CMPP4", "EDITPC", "MATCHC", "LOCC", "SKPC", "MOVZWL", "ACBW", "MOVAW", "PUSHAW", "ADDF2", "ADDF3", "SUBF2", "SUBF3", "MULF2", "MULF3", "DIVF2", "DIVF3", "CVTFB", "CVTFW", "CVTFL", "CVTRFL", "CVTBF", "CVTWF", "CVTLF", "ACBF", "MOVF", "CMPF", "MNEGF", "TSTF", "EMODF", "POLYF", "CVTFD", NULL, "ADAWI", NULL, NULL, NULL, "INSQHI", "INSQTI", "REMQHI", "REMQTI", "ADDD2", "ADDD3", "SUBD2", "SUBD3", "MULD2", "MULD3", "DIVD2", "DIVD3", "CVTDB", "CVTDW", "CVTDL", "CVTRDL", "CVTBD", "CVTWD", "CVTLD", "ACBD", "MOVD", "CMPD", "MNEGD", "TSTD", "EMODD", "POLYD", "CVTDF", NULL, "ASHL", "ASHQ", "EMUL", "EDIV", "CLRQ", "MOVQ", "MOVAQ", "PUSHAQ", "ADDB2", "ADDB3", "SUBB2", "SUBB3", "MULB2", "MULB3", "DIVB2", "DIVB3", "BISB2", "BISB3", "BICB2", "BICB3", "XORB2", "XORB3", "MNEGB", "CASEB", "MOVB", "CMPB", "MCOMB", "BITB", "CLRB", "TSTB", "INCB", "DECB", "CVTBL", "CVTBW", "MOVZBL", "MOVZBW", "ROTL", "ACBB", "MOVAB", "PUSHAB", "ADDW2", "ADDW3", "SUBW2", "SUBW3", "MULW2", "MULW3", "DIVW2", "DIVW3", "BISW2", "BISW3", "BICW2", "BICW3", "XORW2", "XORW3", "MNEGW", "CASEW", "MOVW", "CMPW", "MCOMW", "BITW", "CLRW", "TSTW", "INCW", "DECW", "BISPSW", "BICPSW", "POPR", "PUSHR", "CHMK", "CHME", "CHMS", "CHMU", "ADDL2", "ADDL3", "SUBL2", "SUBL3", "MULL2", "MULL3", "DIVL2", "DIVL3", "BISL2", "BISL3", "BICL2", "BICL3", "XORL2", "XORL3", "MNEGL", "CASEL", "MOVL", "CMPL", "MCOML", "BITL", "CLRL", "TSTL", "INCL", "DECL", "ADWC", "SBWC", "MTPR", "MFPR", "MOVPSL", "PUSHL", "MOVAL", "PUSHAL", "BBS", "BBC", "BBSS", "BBCS", "BBSC", "BBCC", "BBSSI", "BBCCI", "BLBS", "BLBC", "FFS", "FFC", "CMPV", "CMPZV", "EXTV", "EXTZV", "INSV", "ACBL", "AOBLSS", "AOBLEQ", "SOBGEQ", "SOBGTR", "CVTLB", "CVTLW", "ASHP", "CVTLP", "CALLG", "CALLS", "XFC", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 100 - 11F */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 120 - 13F */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "CVTDH", "CVTGF", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "ADDG2", "ADDG3", "SUBG2", "SUBG3", "MULG2", "MULG3", "DIVG2", "DIVG3", "CVTGB", "CVTGW", "CVTGL", "CVTRGL", "CVTBG", "CVTWG", "CVTLG", "ACBG", "MOVG", "CMPG", "MNEGG", "TSTG", "EMODG", "POLYG", "CVTGH", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "ADDH2", "ADDH3", "SUBH2", "SUBH3", "MULH2", "MULH3", "DIVH2", "DIVH3", "CVTHB", "CVTHW", "CVTHL", "CVTRHL", "CVTBH", "CVTWH", "CVTLH", "ACBH", "MOVH", "CMPH", "MNEGH", "TSTH", "EMODH", "POLYH", "CVTHG", NULL, NULL, NULL, NULL, NULL, "CLRO", "MOVO", "MOVAO", "PUSHAO", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 180 - 19F */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "CVTFH", "CVTFG", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 1A0 - 1BF */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 1C0 - 1DF */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 1E0 - 1FF */ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "CVTHF", "CVTHD", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; const char *altcod[] = { "CLRF", "CLRD", "CLRG", "CLRH", "MOVAF", "MOVAD", "MOVAG", "MOVAH", "PUSHAF", "PUSHAD", "PUSHAG", "PUSHAH", "BNEQU", "BEQLU", "BCC", "BCS", NULL }; const int32 altop[] = { 0xD4, 0x7C, 0x7C, 0x17C, 0xDE, 0x7E, 0x7E, 0x17E, 0xDF, 0x7F, 0x7F, 0x17F, 0x12, 0x13, 0x1E, 0x1F }; const char* regname[] = { "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "R9", "R10", "R11", "AP", "FP", "SP", "PC" }; #define GETNUM(d,n) for (k = d = 0; k < n; k++) \ d = d | (((int32) val[vp++]) << (k * 8)) /* Symbolic decode Inputs: *of = output stream addr = current PC *val = values to decode *uptr = pointer to unit sw = switches Outputs: return = if >= 0, error code if < 0, number of extra bytes retired */ t_stat fprint_sym (FILE *of, t_addr exta, t_value *val, UNIT *uptr, int32 sw) { uint32 addr = (uint32) exta; int32 c, k, num, vp, lnt, rdx; t_stat r; DEVICE *dptr; if (uptr == NULL) uptr = &cpu_unit; /* anon = CPU */ if ((sw & SIM_SW_STOP) && (PSL & PSL_CM)) /* stop in CM? */ sw = sw | SWMASK ('P'); /* force CM print */ dptr = find_dev_from_unit (uptr); /* find dev */ if (dptr == NULL) return SCPE_IERR; if (dptr->dwidth != 8) return SCPE_ARG; /* byte dev only */ if (sw & SWMASK ('B')) lnt = 1; /* get length */ else if (sw & SWMASK ('W')) lnt = 2; else if (sw & SWMASK ('L')) lnt = 4; else lnt = (uptr == &cpu_unit)? 4: 1; if (sw & SWMASK ('D')) rdx = 10; /* get radix */ else if (sw & SWMASK ('O')) rdx = 8; else if (sw & SWMASK ('H')) rdx = 16; else rdx = dptr->dradix; if ((sw & SWMASK ('A')) || (sw & SWMASK ('C'))) { /* char format? */ for (vp = lnt - 1; vp >= 0; vp--) { c = (int32) val[vp] & 0x7F; fprintf (of, (c < 0x20)? "<%02X>": "%c", c); } return -(lnt - 1); /* return # chars */ } if ((sw & (SWMASK ('P') | SWMASK ('R'))) && /* cmode or rad50? */ (uptr == &cpu_unit)) { r = fprint_sym_cm (of, addr, val, sw); /* decode inst */ if (r <= 0) return r; } if ((sw & SWMASK ('M')) && (uptr == &cpu_unit)) { /* inst format? */ r = fprint_sym_m (of, addr, val); /* decode inst */ if (r <= 0) return r; } vp = 0; /* init ptr */ GETNUM (num, lnt); /* get number */ fprint_val (of, (uint32) num, rdx, lnt * 8, PV_RZRO); return -(vp - 1); } /* Symbolic decode for -m Inputs: of = output stream addr = current PC *val = values to decode Outputs: return = if >= 0, error code if < 0, number of extra bytes retired */ t_stat fprint_sym_m (FILE *of, uint32 addr, t_value *val) { int32 i, k, vp, inst, numspec; int32 num, spec, rn, disp, index; vp = 0; /* init ptr */ inst = (int32) val[vp++]; /* get opcode */ if (inst == 0xFD) inst = 0x100 | (int32) val[vp++]; /* 2 byte op? */ if (opcode[inst] == NULL) return SCPE_ARG; /* defined? */ numspec = DR_GETNSP (drom[inst][0]); /* get # spec */ if (numspec == 0) numspec = DR_GETUSP (drom[inst][0]); fprintf (of, "%s", opcode[inst]); /* print name */ for (i = 0; i < numspec; i++) { /* loop thru spec */ fputc (i? ',': ' ', of); /* separator */ disp = drom[inst][i + 1]; /* get drom value */ if (disp == BB) { /* byte br disp? */ GETNUM (num, 1); fprintf (of, "%-X", SXTB (num) + addr + vp); } else if (disp == BW) { /* word br disp? */ GETNUM (num, 2); fprintf (of, "%-X", SXTW (num) + addr + vp); } else { spec = (int32) val[vp++]; /* get specifier */ if ((spec & 0xF0) == IDX) { /* index? */ index = spec; /* copy, get next */ spec = (int32) val[vp++]; } else index = 0; rn = spec & 0xF; /* get reg # */ switch (spec & 0xF0) { /* case on mode */ case SH0: case SH1: case SH2: case SH3: /* s^# */ fprintf (of, "#%-X", spec); break; case GRN: /* Rn */ fprintf (of, "%-s", regname[rn]); break; case RGD: /* (Rn) */ fprintf (of, "(%-s)", regname[rn]); break; case ADC: /* -(Rn) */ fprintf (of, "-(%-s)", regname[rn]); break; case AIN: /* (Rn)+, #n */ if (rn != nPC) fprintf (of, "(%-s)+", regname[rn]); else { if (DR_LNT (disp) == L_OCTA) vp = fprint_sym_qoimm (of, val, vp, 4); else if (DR_LNT (disp) == L_QUAD) vp = fprint_sym_qoimm (of, val, vp, 2); else { GETNUM (num, DR_LNT (disp)); fprintf (of, "#%-X", num); } } break; case AID: /* @(Rn)+, @#n */ if (rn != nPC) fprintf (of, "@(%-s)+", regname[rn]); else { GETNUM (num, 4); fprintf (of, "@#%-X", num); } break; case BDD: /* @b^d(r),@b^n */ fputc ('@', of); case BDP: /* b^d(r), b^n */ GETNUM (num, 1); if (rn == nPC) fprintf (of, "%-X", addr + vp + SXTB (num)); else if (num & BSIGN) fprintf (of, "-%-X(%-s)", -num & BMASK, regname[rn]); else fprintf (of, "%-X(%-s)", num, regname[rn]); break; case WDD: /* @w^d(r),@w^n */ fputc ('@', of); case WDP: /* w^d(r), w^n */ GETNUM (num, 2); if (rn == nPC) fprintf (of, "%-X", addr + vp + SXTW (num)); else if (num & WSIGN) fprintf (of, "-%-X(%-s)", -num & WMASK, regname[rn]); else fprintf (of, "%-X(%-s)", num, regname[rn]); break; case LDD: /* @l^d(r),@l^n */ fputc ('@', of); case LDP: /* l^d(r),l^n */ GETNUM (num, 4); if (rn == nPC) fprintf (of, "%-X", addr + vp + num); else if (num & LSIGN) fprintf (of, "-%-X(%-s)", -num, regname[rn]); else fprintf (of, "%-X(%-s)", num, regname[rn]); break; } /* end case */ if (index) fprintf (of, "[%-s]", regname[index & 0xF]); } /* end else */ } /* end for */ return -(vp - 1); } /* Symbolic decode, quad/octa immediates Inputs: *of = output stream *val = pointer to input values vp = current index into val lnt = number of longwords in immediate Outputs: vp = updated index into val */ int32 fprint_sym_qoimm (FILE *of, t_value *val, int32 vp, int32 lnt) { int32 i, k, startp, num[4]; for (i = 0; i < lnt; i++) { GETNUM (num[lnt - 1 - i], 4); } for (i = startp = 0; i < lnt; i++) { if (startp) fprintf (of, "%08X", num[i]); else if (num[i] || (i == (lnt - 1))) { fprintf (of, "#%-X", num[i]); startp = 1; } } return vp; } #define PUTNUM(d,n) for (k = 0; k < n; k++) val[vp++] = (d >> (k * 8)) & 0xFF /* Symbolic input Inputs: *cptr = pointer to input string addr = current PC *uptr = pointer to unit *val = pointer to output values sw = switches Outputs: status = > 0 error code <= 0 -number of extra words */ t_stat parse_sym (char *cptr, t_addr exta, UNIT *uptr, t_value *val, int32 sw) { uint32 addr = (uint32) exta; int32 k, rdx, lnt, num, vp; t_stat r; DEVICE *dptr; static const uint32 maxv[5] = { 0, 0xFF, 0xFFFF, 0, 0xFFFFFFFF }; if (uptr == NULL) uptr = &cpu_unit; /* anon = CPU */ dptr = find_dev_from_unit (uptr); /* find dev */ if (dptr == NULL) return SCPE_IERR; if (dptr->dwidth != 8) return SCPE_ARG; /* byte dev only */ if (sw & SWMASK ('B')) lnt = 1; /* get length */ else if (sw & SWMASK ('W')) lnt = 2; else if (sw & SWMASK ('L')) lnt = 4; else lnt = (uptr == &cpu_unit)? 4: 1; if (sw & SWMASK ('D')) rdx = 10; /* get radix */ else if (sw & SWMASK ('O')) rdx = 8; else if (sw & SWMASK ('H')) rdx = 16; else rdx = dptr->dradix; if ((sw & SWMASK ('A')) || ((*cptr == '\'') && cptr++)) /* ASCII char? */ return parse_char (cptr, val, lnt); if ((sw & SWMASK ('C')) || ((*cptr == '"') && cptr++)) /* ASCII string? */ return parse_char (cptr, val, sim_emax); if ((sw & (SWMASK ('P') | SWMASK ('R'))) && /* cmode or rad50? */ (uptr == &cpu_unit)) { r = parse_sym_cm (cptr, addr, val, sw); /* try to parse */ if (r <= 0) return r; } if (uptr == &cpu_unit) { /* cpu only */ r = parse_sym_m (cptr, addr, val); /* try to parse inst */ if (r <= 0) return r; } num = (int32) get_uint (cptr, rdx, maxv[lnt], &r); /* get number */ if (r != SCPE_OK) return r; vp = 0; PUTNUM (num, lnt); /* store */ return -(lnt - 1); } /* Character input for -a or -c Inputs: *cptr = pointer to input string addr = current PC *val = pointer to output values Outputs: status = > 0 error code <= 0 -number of extra words */ t_stat parse_char (char *cptr, t_value *val, int32 lnt) { int32 vp; if (*cptr == 0) return SCPE_ARG; vp = 0; while ((vp < lnt) && *cptr) { /* get chars */ val[vp++] = *cptr++; } return -(vp - 1); /* return # chars */ } /* Symbolic input for -m Inputs: *cptr = pointer to input string addr = current PC *val = pointer to output values Outputs: status = > 0 error code <= 0 -number of extra words */ t_stat parse_sym_m (char *cptr, uint32 addr, t_value *val) { int32 i, numspec, disp, opc, vp; t_stat r; char gbuf[CBUFSIZE]; cptr = get_glyph (cptr, gbuf, 0); /* get opcode */ for (i = 0, opc = -1; (i < NUM_INST) && (opc < 0); i++) { if (opcode[i] && strcmp (gbuf, opcode[i]) == 0) opc = i; } if (opc < 0) { /* check alternates */ for (i = 0; altcod[i] && (opc < 0); i++) { if (strcmp (gbuf, altcod[i]) == 0) opc = altop[i]; } } if (opc < 0) return SCPE_ARG; /* undefined? */ vp = 0; if (opc >= 0x100) val[vp++] = 0xFD; /* 2 byte? */ val[vp++] = opc & 0xFF; /* store opcode */ numspec = DR_GETNSP (drom[opc][0]); /* get # specifiers */ if (numspec == 0) numspec = DR_GETUSP (drom[opc][0]); for (i = 1; i <= numspec; i++) { /* loop thru specs */ if (i == numspec) cptr = get_glyph (cptr, gbuf, 0); else cptr = get_glyph (cptr, gbuf, ','); /* get specifier */ disp = drom[opc][i]; /* get drom value */ if (disp == BB) vp = parse_brdisp (gbuf, addr, val, vp, 0, &r); else if (disp == BW) vp = parse_brdisp (gbuf, addr, val, vp, 1, &r); else vp = parse_spec (gbuf, addr, val, vp, disp, &r); if (r != SCPE_OK) return r; } if (*cptr != 0) return SCPE_ARG; return -(vp - 1); } /* Parse a branch displacement Inputs: cptr = pointer to input buffer addr = current address val = pointer to output array vp = current pointer in output array lnt = length (0 = byte, 1 = word) r = pointer to status Outputs: vp = updated output pointer */ int32 parse_brdisp (char *cptr, uint32 addr, t_value *val, int32 vp, int32 lnt, t_stat *r) { int32 k, dest, num; dest = (int32) get_uint (cptr, 16, 0xFFFFFFFF, r); /* get value */ num = dest - (addr + vp + lnt + 1); /* compute offset */ if ((num > (lnt? 32767: 127)) || (num < (lnt? -32768: -128))) *r = SCPE_ARG; else { PUTNUM (num, lnt + 1); /* store offset */ *r = SCPE_OK; } return vp; } /* Parse a specifier Inputs: cptr = pointer to input buffer addr = current address val = pointer to output array vp = current pointer in output array disp = specifier dispatch r = pointer to status Outputs: vp = updated output pointer */ #define SP_IND 0x200 /* indirect */ #define SP_V_FORCE 6 #define SP_FS 0x040 /* S^ */ #define SP_FI 0x080 /* I^ */ #define SP_FB 0x0C0 /* B^ */ #define SP_FW 0x100 /* W^ */ #define SP_FL 0x140 /* L^ */ #define SP_LIT 0x020 /* # */ #define SP_PLUS 0x010 /* plus */ #define SP_MINUS 0x008 /* minus */ #define SP_NUM 0x004 /* number */ #define SP_IDX 0x002 /* (Rn) */ #define SP_POSTP 0x001 /* trailing + */ #define M1C(c,v) if (*cptr == c) { cptr++; fl = fl | v; } #define SPUTNUM(v,d) if (fl & SP_MINUS) v = -v; PUTNUM (v, d) #define PARSE_LOSE { *r = SCPE_ARG; return vp; } #define SEL_LIM(p,m,u) ((fl & SP_PLUS)? (p): ((fl & SP_MINUS)? (m): (u))) int32 parse_spec (char *cptr, uint32 addr, t_value *val, int32 vp, int32 disp, t_stat *r) { int32 i, k, litsize, rn, index; int32 num, dispsize, mode; int32 lit[4] = { 0 }; int32 fl = 0; char c, *tptr; const char *force[] = { "S^", "I^", "B^", "W^", "L^", NULL }; *r = SCPE_OK; /* assume ok */ M1C ('@', SP_IND); /* look for @ */ if (tptr = parse_rnum (cptr, &rn)) { /* look for Rn */ if (*cptr == '[') { /* look for [Rx] */ cptr = parse_rnum (++cptr, &index); if ((cptr == NULL) || (*cptr++ != ']')) PARSE_LOSE; val[vp++] = index | IDX; } else val[vp++] = rn | GRN | (fl? 1: 0); /* Rn or @Rn */ if (*tptr != 0) *r = SCPE_ARG; /* must be done */ return vp; } for (i = 0; force[i]; i++) { /* look for x^ */ if (strncmp (cptr, force[i], 2) == 0) { cptr = cptr + 2; fl = fl | ((i + 1) << SP_V_FORCE); break; } } M1C ('#', SP_LIT); /* look for # */ M1C ('+', SP_PLUS); /* look for + */ M1C ('-', SP_MINUS); /* look for - */ for (litsize = 0;; cptr++) { /* look for mprec int */ c = *cptr; if ((c < '0') || (c > 'F') || ((c > '9') && (c < 'A'))) break; num = (c <= '9')? c - '0': c - 'A' + 10; fl = fl | SP_NUM; for (i = 3; i >= 0; i--) { lit[i] = lit[i] << 4; if (i > 0) lit[i] = lit[i] | ((lit[i - 1] >> 28) & 0xF); else lit[i] = lit[i] | num; if (lit[i] && (i > litsize)) litsize = i; } } if (*cptr == '(') { /* look for (Rn) */ cptr = parse_rnum (++cptr, &rn); if ((cptr == NULL) || (*cptr++ != ')')) PARSE_LOSE; fl = fl | SP_IDX; } M1C ('+', SP_POSTP); /* look for + */ if (*cptr == '[') { /* look for [Rx] */ cptr = parse_rnum (++cptr, &index); if ((cptr == NULL) || (*cptr++ != ']')) PARSE_LOSE; val[vp++] = index | IDX; } switch (fl) { /* case on state */ case SP_FS|SP_LIT|SP_NUM: /* S^#n */ case SP_FS|SP_LIT|SP_PLUS|SP_NUM: /* S^#+n */ if ((litsize > 0) || (lit[0] & ~0x3F)) PARSE_LOSE; val[vp++] = lit[0]; break; case SP_IDX: /* (Rn) */ val[vp++] = rn | RGD; break; case SP_MINUS|SP_IDX: /* -(Rn) */ val[vp++] = rn | ADC; break; case SP_IDX|SP_POSTP: /* (Rn)+ */ val[vp++] = rn | AIN; break; case SP_LIT|SP_NUM: /* #n */ case SP_LIT|SP_PLUS|SP_NUM: /* #+n */ if ((litsize == 0) && ((lit[0] & ~0x3F) == 0)) { val[vp++] = lit[0]; break; } /* fall thru */ case SP_LIT|SP_MINUS|SP_NUM: /* #-n */ case SP_FI|SP_LIT|SP_NUM: /* I^#n */ case SP_FI|SP_LIT|SP_PLUS|SP_NUM: /* I^#+n */ case SP_FI|SP_LIT|SP_MINUS|SP_NUM: /* I^#-n */ val[vp++] = nPC | AIN; disp = disp & DR_LNMASK; switch (disp) { /* case spec lnt */ case 00: /* check fit */ if ((litsize > 0) || (lit[0] < 0) || (lit[0] > SEL_LIM (0x7F, 0x80, 0xFF))) PARSE_LOSE; SPUTNUM (lit[0], 1); /* store */ break; case 01: /* check fit */ if ((litsize > 0) || (lit[0] < 0) || (lit[0] > SEL_LIM (0x7FFF, 0x8000, 0xFFFF))) PARSE_LOSE; SPUTNUM (lit[0], 2); break; case 02: /* check 1 lw */ if (litsize > 0) PARSE_LOSE; SPUTNUM (lit[0], 4); break; case 03: /* check 2 lw */ if (litsize > 1) PARSE_LOSE; vp = parse_sym_qoimm (lit, val, vp, 2, fl & SP_MINUS); break; case 04: vp = parse_sym_qoimm (lit, val, vp, 4, fl & SP_MINUS); break; } /* end case lnt */ break; case SP_IND|SP_IDX|SP_POSTP: /* @(Rn)+ */ val[vp++] = rn | AID; break; case SP_IND|SP_LIT|SP_NUM: /* @#n */ if (litsize > 0) PARSE_LOSE; val[vp++] = nPC | AID; PUTNUM (lit[0], 4); break; case SP_NUM|SP_IDX: /* d(rn) */ case SP_PLUS|SP_NUM|SP_IDX: /* +d(rn) */ case SP_MINUS|SP_NUM|SP_IDX: /* -d(rn) */ case SP_IND|SP_NUM|SP_IDX: /* @d(rn) */ case SP_IND|SP_PLUS|SP_NUM|SP_IDX: /* @+d(rn) */ case SP_IND|SP_MINUS|SP_NUM|SP_IDX: /* @-d(rn) */ if (litsize > 0) PARSE_LOSE; dispsize = 4; /* find fit for */ mode = LDP; /* displacement */ if (lit[0] >= 0) { if (lit[0] <= SEL_LIM (0x7F, 0x80, 0xFF)) { dispsize = 1; mode = BDP; } else if (lit[0] <= SEL_LIM (0x7FFF, 0x8000, 0xFFFF)) { dispsize = 2; mode = WDP; } } val[vp++] = mode | rn | ((fl & SP_IND)? 0x10: 0); SPUTNUM (lit[0], dispsize); break; case SP_FB|SP_NUM|SP_IDX: /* B^d(rn) */ case SP_FB|SP_PLUS|SP_NUM|SP_IDX: /* B^+d(rn) */ case SP_FB|SP_MINUS|SP_NUM|SP_IDX: /* B^-d(rn) */ case SP_IND|SP_FB|SP_NUM|SP_IDX: /* @B^d(rn) */ case SP_IND|SP_FB|SP_PLUS|SP_NUM|SP_IDX: /* @B^+d(rn) */ case SP_IND|SP_FB|SP_MINUS|SP_NUM|SP_IDX: /* @B^-d(rn) */ if ((litsize > 0) || (lit[0] < 0) || (lit[0] > SEL_LIM (0x7F, 0x80, 0xFF))) PARSE_LOSE; val[vp++] = rn | BDP | ((fl & SP_IND)? 0x10: 0); SPUTNUM (lit[0], 1); break; case SP_FW|SP_NUM|SP_IDX: /* W^d(rn) */ case SP_FW|SP_PLUS|SP_NUM|SP_IDX: /* W^+d(rn) */ case SP_FW|SP_MINUS|SP_NUM|SP_IDX: /* W^-d(rn) */ case SP_IND|SP_FW|SP_NUM|SP_IDX: /* @W^d(rn) */ case SP_IND|SP_FW|SP_PLUS|SP_NUM|SP_IDX: /* @W^+d(rn) */ case SP_IND|SP_FW|SP_MINUS|SP_NUM|SP_IDX: /* @W^-d(rn) */ if ((litsize > 0) || (lit[0] < 0) || (lit[0] > SEL_LIM (0x7FFF, 0x8000, 0xFFFF))) PARSE_LOSE; val[vp++] = rn | WDP | ((fl & SP_IND)? 0x10: 0); SPUTNUM (lit[0], 2); break; case SP_FL|SP_NUM|SP_IDX: /* L^d(rn) */ case SP_FL|SP_PLUS|SP_NUM|SP_IDX: /* L^+d(rn) */ case SP_FL|SP_MINUS|SP_NUM|SP_IDX: /* L^-d(rn) */ case SP_IND|SP_FL|SP_NUM|SP_IDX: /* @L^d(rn) */ case SP_IND|SP_FL|SP_PLUS|SP_NUM|SP_IDX: /* @L^+d(rn) */ case SP_IND|SP_FL|SP_MINUS|SP_NUM|SP_IDX: /* @L^-d(rn) */ if ((litsize > 0) || (lit[0] < 0)) PARSE_LOSE; val[vp++] = rn | LDP | ((fl & SP_IND)? 0x10: 0); SPUTNUM (lit[0], 4); break; case SP_NUM: /* n */ case SP_IND|SP_NUM: /* @n */ if (litsize > 0) PARSE_LOSE; num = lit[0] - (addr + vp + 2); /* fit in byte? */ if ((num >= -128) && (num <= 127)) { mode = BDP; dispsize = 1; } else { num = lit[0] - (addr + vp + 3); /* fit in word? */ if ((num >= -32768) && (num <= 32767)) { mode = WDP; dispsize = 2; } else { num = lit[0] - (addr + vp + 5); /* no, use lw */ mode = LDP; dispsize = 4; } } val[vp++] = mode | nPC | ((fl & SP_IND)? 1: 0); PUTNUM (num, dispsize); break; case SP_FB|SP_NUM: /* B^n */ case SP_IND|SP_FB|SP_NUM: /* @B^n */ num = lit[0] - (addr + vp + 2); if ((litsize > 0) || (num > 127) || (num < -128)) PARSE_LOSE; val[vp++] = nPC | BDP | ((fl & SP_IND)? 1: 0); PUTNUM (num, 1); break; case SP_FW|SP_NUM: /* W^n */ case SP_IND|SP_FW|SP_NUM: /* @W^n */ num = lit[0] - (addr + vp + 3); if ((litsize > 0) || (num > 32767) || (num < -32768)) PARSE_LOSE; val[vp++] = nPC | WDP | ((fl & SP_IND)? 1: 0); PUTNUM (num, 2); break; case SP_FL|SP_NUM: /* L^n */ case SP_IND|SP_FL|SP_NUM: /* @L^n */ num = lit[0] - (addr + vp + 5); if (litsize > 0) PARSE_LOSE; val[vp++] = nPC | LDP | ((fl & SP_IND)? 1: 0); PUTNUM (num, 4); break; default: PARSE_LOSE; } /* end case */ if (*cptr != 0) *r = SCPE_ARG; /* must be done */ return vp; } char *parse_rnum (char *cptr, int32 *rn) { int32 i, lnt; t_value regnum; char *tptr; for (i = 15; i >= 0; i--) { /* chk named reg */ lnt = strlen (regname[i]); if (strncmp (cptr, regname[i], lnt) == 0) { *rn = i; return cptr + lnt; } } if (*cptr++ != 'R') return NULL; /* look for R */ regnum = strtotv (cptr, &tptr, 10); /* look for reg # */ if ((cptr == tptr) || (regnum > 15)) return NULL; *rn = (int32) regnum; return tptr; } int32 parse_sym_qoimm (int32 *lit, t_value *val, int32 vp, int lnt, int32 minus) { int32 i, k, prev; for (i = prev = 0; i < lnt; i++) { if (minus) prev = lit[i] = ~lit[i] + (prev == 0); PUTNUM (lit[i], 4); } return vp; }