/* 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, 0760, &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; | |
} |