| /* i7094_defs.h: IBM 7094 simulator definitions | |
| Copyright (c) 2003-2006, 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. | |
| This simulator incorporates prior work by Paul Pierce, Dave Pitts, and Rob | |
| Storey. Tom Van Vleck, Stan Dunten, Jerry Saltzer, and other CTSS veterans | |
| helped to reconstruct the CTSS hardware RPQ's. Dave Pitts gets special | |
| thanks for patiently coaching me through IBSYS debug. */ | |
| #ifndef _I7094_DEFS_H_ | |
| #define _I7094_DEFS_H_ 0 | |
| #include "sim_defs.h" /* simulator defns */ | |
| /* Simulator stop codes */ | |
| #define STOP_HALT 1 /* halted */ | |
| #define STOP_IBKPT 2 /* breakpoint */ | |
| #define STOP_ILLEG 3 /* illegal instr */ | |
| #define STOP_DIVCHK 4 /* divide check */ | |
| #define STOP_XEC 5 /* XCT loop */ | |
| #define STOP_ASTOP 6 /* address stop */ | |
| #define STOP_NXCHN 7 /* nx channel */ | |
| #define STOP_7909 8 /* ill inst to 7909 */ | |
| #define STOP_NT7909 9 /* ill inst to !7909 */ | |
| #define STOP_NXDEV 10 /* nx device */ | |
| #define STOP_ILLCHI 11 /* illegal channel op */ | |
| #define STOP_WRP 12 /* write protect */ | |
| #define STOP_ILLIOP 13 /* illegal I/O op */ | |
| #define STOP_INVFMT 14 /* invalid disk format */ | |
| #define STOP_NOIFREE 15 /* 7750: no buf for inp */ | |
| #define STOP_NOOFREE 16 /* 7750: no buf for out */ | |
| #define STOP_INVLIN 17 /* 7750: invalid line# */ | |
| #define STOP_INVMSG 18 /* 7750: invalid message */ | |
| #define STOP_CHBKPT 19 /* channel breakpoint */ | |
| /* Simulator error codes */ | |
| #define ERR_STALL 40 /* stall */ | |
| #define ERR_ENDRC 41 /* end rec */ | |
| #define ERR_NRCF 42 /* no record found */ | |
| /* Instruction history - flags in left half of pc entry */ | |
| #define HIST_PC 0x04000000 /* CPU */ | |
| #define HIST_V_CH 28 /* chan + 1 */ | |
| #define HIST_M_CH 0xF | |
| #define HIST_CH(x) (((x) >> HIST_V_CH) & HIST_M_CH) | |
| typedef struct { | |
| uint32 pc; | |
| uint32 ea; | |
| uint32 rpt; | |
| t_uint64 ir; | |
| t_uint64 ac; | |
| t_uint64 mq; | |
| t_uint64 si; | |
| t_uint64 opnd; | |
| } InstHistory; | |
| /* Architectural constants */ | |
| #define A704_SIZE 14 /* addr width, 704 mode */ | |
| #define ASIZE 15 /* inst addr width */ | |
| #define PASIZE 16 /* phys addr width */ | |
| #define STDMEMSIZE (1u << ASIZE) /* standard memory */ | |
| #define MAXMEMSIZE (1u << PASIZE) /* maximum memory */ | |
| #define A704_MASK ((1u << A704_SIZE) - 1) | |
| #define PAMASK ((1u << PASIZE) - 1) | |
| #define MEMSIZE (cpu_unit.capac) | |
| #define BCORE_V (ASIZE) /* (CTSS) A/B core sel */ | |
| #define BCORE_BASE (1u << BCORE_V) /* (CTSS) B core base */ | |
| /* Traps */ | |
| #define TRAP_STD_SAV 000000 /* trap save location */ | |
| #define TRAP_TRA_PC 000001 /* trap PC: transfer */ | |
| #define TRAP_STR_PC 000002 /* trap PC: STR */ | |
| #define TRAP_FP_PC 000010 /* trap PC: flt point */ | |
| #define TRAP_PROT_SAV 000032 /* protection trap save */ | |
| #define TRAP_PROT_PC 000033 /* protection trap PC */ | |
| #define TRAP_704_SAV 040000 /* 704 compat trap */ | |
| #define TRAP_SEL_PC 040001 /* 704 trap PC: select */ | |
| #define TRAP_CPY_PC 040002 /* 704 trap PC: copy */ | |
| #define TRAP_F_MQ 000001 /* MQ error */ | |
| #define TRAP_F_AC 000002 /* AC error */ | |
| #define TRAP_F_OVF 000004 /* overflow */ | |
| #define TRAP_F_SGL 000010 /* single precision */ | |
| #define TRAP_F_DVC 000020 /* fake: divide check */ | |
| #define TRAP_F_ODD 000040 /* odd address */ | |
| #define TRAP_F_BDATA 020000 /* (CTSS) data B core */ | |
| #define TRAP_F_BINST 040000 /* (CTSS) inst B core */ | |
| /* Integer */ | |
| #define DMASK 0777777777777 /* data mask */ | |
| #define SIGN 0400000000000 /* sign */ | |
| #define MMASK 0377777777777 /* magnitude mask */ | |
| #define LMASK 0777777000000 /* left mask */ | |
| #define RMASK 0000000777777 /* right mask */ | |
| #define PMASK 0700000000000 /* prefix */ | |
| #define XMASK 0077777000000 /* decrement */ | |
| #define TMASK 0000000700000 /* tag */ | |
| #define AMASK 0000000077777 /* address */ | |
| #define SCMASK 0000000000377 /* shift count mask */ | |
| #define B1 0200000000000 /* bit 1 */ | |
| #define B9 0000400000000 /* bit 9 */ | |
| /* Accumulator is actually 38b wide */ | |
| #define AC_S 02000000000000 /* sign */ | |
| #define AC_Q 01000000000000 /* Q */ | |
| #define AC_P 00400000000000 /* P */ | |
| #define AC_MMASK 01777777777777 /* Q+P+magnitude */ | |
| /* Floating point */ | |
| #define FP_N_FR 27 /* fraction bits */ | |
| #define FP_FMASK ((1u << FP_N_FR) - 1) | |
| #define FP_N_DFR 54 /* double fraction bits */ | |
| #define FP_DFMASK ((((t_uint64) 1) << FP_N_DFR) - 1) | |
| #define FP_FNORM (((t_uint64) 1u) << (FP_N_DFR - 1)) /* normalized bit */ | |
| #define FP_FCRY (((t_uint64) 1u) << FP_N_DFR) /* fraction carry */ | |
| #define FP_BIAS 0200 /* exponent bias */ | |
| #define FP_V_CH (FP_N_FR) /* exponent */ | |
| #define FP_M_CH 0377 /* SR char mask */ | |
| #define FP_M_ACCH 01777 /* AC char mask incl Q,P */ | |
| /* Instruction format */ | |
| #define INST_T_DEC 0300000000000 /* if nz, takes decr */ | |
| #define INST_T_CXR1 0000000100000 /* if nz, update XR1 */ | |
| #define INST_V_OPD 33 /* decrement opcode */ | |
| #define INST_M_OPD 07 | |
| #define INST_V_DEC 18 /* decrement */ | |
| #define INST_M_DEC 077777 | |
| #define INST_V_OPC 24 /* normal opcode */ | |
| #define INST_M_OPC 0777 | |
| #define INST_V_IND 22 /* indirect */ | |
| #define INST_IND (3 << INST_V_IND) | |
| #define INST_V_CCNT 18 /* convert count */ | |
| #define INST_M_CCNT 0377 | |
| #define INST_V_VCNT 18 /* vlm/vdh count */ | |
| #define INST_M_VCNT 077 | |
| #define INST_V_TAG 15 /* index */ | |
| #define INST_M_TAG 07 | |
| #define INST_V_ADDR 0 | |
| #define INST_M_ADDR 077777 | |
| #define GET_OPD(x) ((uint32) (((x) >> INST_V_OPD) & INST_M_OPD)) | |
| #define GET_DEC(x) ((uint32) (((x) >> INST_V_DEC) & INST_M_DEC)) | |
| #define GET_OPC(x) (((uint32) (((x) >> INST_V_OPC) & INST_M_OPC)) | \ | |
| (((x) & SIGN)? 01000: 0)) | |
| #define TST_IND(x) (((x) & INST_IND) == INST_IND) | |
| #define GET_CCNT(x) ((uint32) (((x) >> INST_V_CCNT) & INST_M_CCNT)) | |
| #define GET_VCNT(x) ((uint32) (((x) >> INST_V_VCNT) & INST_M_VCNT)) | |
| #define GET_TAG(x) ((uint32) (((x) >> INST_V_TAG) & INST_M_TAG)) | |
| /* Instruction decode flags */ | |
| #define I_4X 0x01 /* 7040, 7044 */ | |
| #define I_9X 0x02 /* 7090, 7094, CTSS */ | |
| #define I_94 0x04 /* 7094, CTSS */ | |
| #define I_CT 0x08 /* CTSS */ | |
| #define I_MODEL 0x0F /* option mask */ | |
| #define I_X 0x10 /* indexed */ | |
| #define I_N 0x20 /* indirect */ | |
| #define I_R 0x40 /* read */ | |
| #define I_D 0x80 /* double read */ | |
| #define I_XN (I_X|I_N) | |
| #define I_XNR (I_X|I_N|I_R) | |
| #define I_XND (I_X|I_N|I_D) | |
| /* Memory protection (CTSS) */ | |
| #define VA_V_OFF 0 /* offset in block */ | |
| #define VA_N_OFF 8 /* width of offset */ | |
| #define VA_M_OFF ((1u << VA_N_OFF) - 1) | |
| #define VA_OFF (VA_M_OFF << VA_V_OFF) | |
| #define VA_V_BLK (VA_N_OFF) /* block */ | |
| #define VA_N_BLK (ASIZE - VA_N_OFF) /* width of block */ | |
| #define VA_M_BLK ((1u << VA_N_BLK) - 1) | |
| #define VA_BLK (VA_M_BLK << VA_V_BLK) | |
| /* Unsigned operations */ | |
| #define NEG(x) (~(x) + 1) | |
| #define BIT_TST(w,b) (((w) >> (b)) & 1) | |
| /* Device information block */ | |
| typedef struct { | |
| t_stat (*chsel)(uint32 ch, uint32 sel, uint32 u); | |
| t_stat (*write)(uint32 ch, t_uint64 val, uint32 flags); | |
| } DIB; | |
| /* BCD digits */ | |
| #define BCD_MASK 017 | |
| #define BCD_ZERO 012 | |
| #define BCD_ONE 001 | |
| #define BCD_TWO 002 | |
| #define BCD_AT 014 | |
| /* Channels */ | |
| #define NUM_CHAN 8 /* # channels */ | |
| #define CH_A 0 /* channel A */ | |
| #define CH_B 1 | |
| #define CH_C 2 | |
| #define CH_D 3 | |
| #define CH_E 4 | |
| #define CH_F 5 | |
| #define CH_G 6 | |
| #define CH_H 7 | |
| #define REQ_CH(x) (1u << (x)) | |
| /* All channel commands */ | |
| #define CHI_IND 0000000400000 /* ch inst indirect */ | |
| /* Channel selects - all channels */ | |
| #define CHSL_RDS 0001 /* data selects */ | |
| #define CHSL_WRS 0002 | |
| #define CHSL_SNS 0003 | |
| #define CHSL_CTL 0004 | |
| #define CHSL_FMT 0005 | |
| #define CHSL_WEF 0010 /* non-data selects */ | |
| #define CHSL_WBT 0011 /* 704X only */ | |
| #define CHSL_BSR 0012 | |
| #define CHSL_BSF 0013 | |
| #define CHSL_REW 0014 | |
| #define CHSL_RUN 0015 | |
| #define CHSL_SDN 0016 | |
| #define CHSL_2ND 0020 /* second state */ | |
| #define CHSL_3RD 0040 /* etc */ | |
| #define CHSL_4TH 0060 | |
| #define CHSL_5TH 0100 | |
| #define CHSL_NDS 0010 /* non-data sel flag */ | |
| #define CHSL_NUM 16 | |
| /* Channel commands - 7607/7289 - S12'19 */ | |
| #define CH6I_NST 0000000200000 /* ch inst no store */ | |
| #define CH6_IOCD 000 | |
| #define CH6_TCH 002 | |
| #define CH6_IORP 004 | |
| #define CH6_IORT 006 | |
| #define CH6_IOCP 010 | |
| #define CH6_IOCT 012 | |
| #define CH6_IOSP 014 | |
| #define CH6_IOST 016 | |
| #define CH6_OPMASK 016 /* without nostore */ | |
| #define TCH_LIMIT 5 /* TCH autoresolve limit */ | |
| /* Channel data flags - 7607 */ | |
| #define CH6DF_EOR 1 /* end of record */ | |
| #define CH6DF_VLD 2 /* input valid */ | |
| /* Channel commands - 7909 - S123'19 */ | |
| #define CH9_WTR 000 | |
| #define CH9_XMT 001 | |
| #define CH9_TCH 004 | |
| #define CH9_LIPT 005 | |
| #define CH9_CTL 010 | |
| #define CH9_CTLR 011 | |
| #define CH9_CTLW 012 | |
| #define CH9_SNS 013 | |
| #define CH9_LAR 014 | |
| #define CH9_SAR 015 | |
| #define CH9_TWT 016 | |
| #define CH9_CPYP 020 | |
| #define CH9_CPYD 024 | |
| #define CH9_TCM 025 | |
| #define CH9_LIP 031 | |
| #define CH9_TDC 032 | |
| #define CH9_LCC 033 | |
| #define CH9_SMS 034 | |
| #define CH9_ICC 035 | |
| #define CH9_ICCA 037 /* ignores bit <3> */ | |
| #define CH9_OPMASK 037 | |
| /* Channel data flags - 7909 */ | |
| #define CH9DF_STOP 1 /* stop */ | |
| #define CH9DF_VLD 2 /* input valid */ | |
| /* Extended parts of the command come from the decrement, stored in ch_wc */ | |
| #define CH9D_V_MASK 0 /* condition mask */ | |
| #define CH9D_M_MASK 077 | |
| #define CH9D_V_COND 12 /* condition select */ | |
| #define CH9D_M_COND 07 | |
| #define CH9D_MASK(x) (((x) >> CH9D_V_MASK) & CH9D_M_MASK) | |
| #define CH9D_COND(x) (((x) >> CH9D_V_COND) & CH9D_M_COND) | |
| #define CH9D_NST 020000 /* no store */ | |
| #define CH9D_B11 000100 | |
| /* Or from the effective address, stored in ch_ca */ | |
| #define CH9A_V_LCC 0 /* counter */ | |
| #define CH9A_M_LCC 077 | |
| #define CH9A_V_SMS 0 /* system mask */ | |
| #define CH9A_M_SMS 0177 | |
| #define CH9A_LCC(x) (((x) >> CH9A_V_LCC) & CH9A_M_LCC) | |
| #define CH9A_SMS(x) (((x) >> CH9A_V_SMS) & CH9A_M_SMS) | |
| /* Channel states - common */ | |
| #define CHXS_IDLE 0 /* idle */ | |
| #define CHXS_DSX 1 /* executing */ | |
| /* Channel states - 7607/7289 */ | |
| #define CH6S_PNDS 2 /* polling NDS */ | |
| #define CH6S_PDS 3 /* polling DS */ | |
| #define CH6S_NDS 4 /* nds, executing */ | |
| #define CH6S_DSW 5 /* ds, chan wait */ | |
| /* Channel traps - 7909 has only CMD (== TWT) */ | |
| #define CHTR_V_CME 0 /* cmd/eof enable */ | |
| #define CHTR_V_CLK 17 /* clock */ | |
| #define CHTR_V_TRC 18 /* tape check */ | |
| #define CHTR_V_TWT (CHTR_V_CME) | |
| #define CHTR_CLK_SAV 006 /* clock */ | |
| #define CHTR_CHA_SAV 012 /* start of chan block */ | |
| #define CHTR_F_CMD 1 /* CMD flag (in decr) */ | |
| #define CHTR_F_TRC 2 /* TRC flag (in decr) */ | |
| #define CHTR_F_EOF 4 /* EOF flag (in decr) */ | |
| /* Channel interrupts - 7909 only */ | |
| #define CHINT_CHA_SAV 042 /* start of chan block */ | |
| /* Channel interrupt conditions - 7909 only */ | |
| #define CHINT_ADPC 001 /* adapter check */ | |
| #define CHINT_ATN2 002 /* attention 2 - ni */ | |
| #define CHINT_ATN1 004 /* attention 1 */ | |
| #define CHINT_UEND 010 /* unusual end */ | |
| #define CHINT_SEQC 020 /* sequence check */ | |
| #define CHINT_IOC 040 /* IO check */ | |
| /* Channel SMS flags - 7909 only */ | |
| #define CHSMS_SEL2 0001 /* select 2nd - ni */ | |
| #define CHSMS_IATN2 0002 /* inhibit atn2 - ni */ | |
| #define CHSMS_IATN1 0004 /* inhibit atn1 */ | |
| #define CHSMS_IUEND 0010 /* inhibit uend */ | |
| #define CHSMS_BCD 0020 /* BCD conversion - ni */ | |
| #define CHSMS_RBCK 0040 /* read backwards - ni */ | |
| #define CHSMS_ENCI 0100 /* enable noncon - ni */ | |
| /* Channel flags (7607 in right half, 7909 in left half) */ | |
| #define CHF_CMD 00000000001 /* cmd done */ | |
| #define CHF_TWT (CHF_CMD) | |
| #define CHF_TRC 00000000002 /* tape check */ | |
| #define CHF_EOF 00000000004 /* end of file */ | |
| #define CHF_BOT 00000000010 /* beginning of tape */ | |
| #define CHF_EOT 00000000020 /* end of tape */ | |
| #define CHF_LDW 00000000040 /* LCH waiting */ | |
| #define CHF_EOR 00000000100 /* end of record */ | |
| #define CHF_IRQ 00001000000 /* intr request */ | |
| #define CHF_INT 00002000000 /* intr in prog */ | |
| #define CHF_WRS 00004000000 /* write */ | |
| #define CHF_RDS 00010000000 /* read */ | |
| #define CHF_PWR 00020000000 /* prepare to write */ | |
| #define CHF_PRD 00040000000 /* prepare to read */ | |
| #define CHF_V_COND 24 /* cond register */ | |
| #define CHF_M_COND 077 | |
| #define CHF_ADPC (CHINT_ADPC << CHF_V_COND) /* adapter check */ | |
| #define CHF_ATN2 (CHINT_ATN2 << CHF_V_COND) /* attention 2 */ | |
| #define CHF_ATN1 (CHINT_ATN1 << CHF_V_COND) /* attention 1 */ | |
| #define CHF_UEND (CHINT_UEND << CHF_V_COND) /* unusual end */ | |
| #define CHF_SEQC (CHINT_SEQC << CHF_V_COND) /* sequence check */ | |
| #define CHF_IOC (CHINT_IOC << CHF_V_COND) /* IO check */ | |
| #define CHF_V_LCC 30 /* loop ctrl counter */ | |
| #define CHF_M_LCC 077 | |
| #define CHF_CLR_7909 07775000177 /* 7909 clear flags */ | |
| #define CHF_SDC_7909 07776000000 /* 7909 SDC flags */ | |
| /* Channel characteristics (in dev.flags) */ | |
| #define DEV_7909 (1u << (DEV_V_UF + 0)) | |
| #define DEV_7289 (1u << (DEV_V_UF + 1)) | |
| #define DEV_CDLP (1u << (DEV_V_UF + 2)) | |
| #define DEV_7750 (1u << (DEV_V_UF + 3)) | |
| #define DEV_7631 (1u << (DEV_V_UF + 4)) | |
| /* Unit addresses - 7607/7289 only */ | |
| #define U_V_CH 9 /* channel number */ | |
| #define U_M_CH 077 | |
| #define U_V_UNIT 0 | |
| #define U_M_UNIT 0777 | |
| #define GET_U_CH(x) (((((uint32) (x)) >> U_V_CH) & U_M_CH) - 1) | |
| #define GET_U_UNIT(x) ((((uint32) (x)) >> U_V_UNIT) & U_M_UNIT) | |
| #define U_MTBCD 0201 /* BCD tape */ | |
| #define U_MTBIN 0221 /* binary tape */ | |
| #define U_CDR 0321 /* card reader */ | |
| #define U_CDP 0341 /* card punch */ | |
| #define U_LPBCD 0361 /* BCD print */ | |
| #define U_LPBIN 0362 /* binary print */ | |
| #define U_DRM 0330 /* 7320A drum */ | |
| #define MT_NUMDR 10 | |
| /* CTSS Chronolog clock */ | |
| #define CHRONO_CH (CH_A) /* channel A */ | |
| #define CHRONO_UNIT (7) /* unit 7 */ | |
| /* Interval timer */ | |
| #define CLK_CTR 05 /* counter */ | |
| #define CLK_TPS 60 /* 60Hz */ | |
| #define TMR_CLK 0 /* use timer 0 */ | |
| #define TMR_COM 1 /* 7750 timer */ | |
| /* Function prototypes and macros */ | |
| #define ReadP(p) M[p] | |
| #define WriteP(p,d) M[p] = d | |
| void cpu_ent_hist (uint32 pc, uint32 ea, t_uint64 ir, t_uint64 opnd); | |
| t_stat ch_show_chan (FILE *st, UNIT *uptr, int32 val, void *desc); | |
| t_stat ch6_end_nds (uint32 ch); | |
| uint32 ch6_set_flags (uint32 ch, uint32 unit, uint32 flags); | |
| t_stat ch6_err_disc (uint32 ch, uint32 unit, uint32 flags); | |
| t_stat ch6_req_rd (uint32 ch, uint32 unit, t_uint64 val, uint32 flags); | |
| t_stat ch6_req_wr (uint32 ch, uint32 unit); | |
| t_bool ch6_qconn (uint32 ch, uint32 unit); | |
| t_stat ch9_req_rd (uint32 ch, t_uint64 val); | |
| void ch9_set_atn (uint32 ch); | |
| void ch9_set_ioc (uint32 ch); | |
| void ch9_set_end (uint32 ch, uint32 ireq); | |
| t_bool ch9_qconn (uint32 ch); | |
| void ch_set_map (void); | |
| t_bool ch_qidle (void); | |
| #endif |