26aa6de663
RESTRICTION: The PDP-15 FPP is only partially debugged. Do NOT enable this feature for normal operations. WARNING: The core simulator files (scp.c, sim_*.c) have been reorganized. Unzip V3.2-0 to an empty directory before attempting to compile the source. IMPORTANT: If you are compiling for UNIX, please read the notes for Ethernet very carefully. You may need to download a new version of the pcap library, or make changes to the makefile, to get Ethernet support to work. 1. New Features in 3.2-0 1.1 SCP and libraries - Added SHOW <device> RADIX command. - Added SHOW <device> MODIFIERS command. - Added SHOW <device> NAMES command. - Added SET/SHOW <device> DEBUG command. - Added sim_vm_parse_addr and sim_vm_fprint_addr optional interfaces. - Added REG_VMAD flag. - Split SCP into separate libraries for easier modification. - Added more room to the device and unit flag fields. - Changed terminal multiplexor library to support unlimited. number of async lines. 1.2 All DECtapes - Added STOP_EOR flag to enable end-of-reel error stop - Added device debug support. 1.3 Nova and Eclipse - Added QTY and ALM multiplexors (Bruce Ray). 1.4 LGP-30 - Added LGP-30/LGP-21 simulator. 1.5 PDP-11 - Added format, address increment inhibit, transfer overrun detection to RK. - Added device debug support to HK, RP, TM, TQ, TS. - Added DEUNA/DELUA (XU) support (Dave Hittner). - Add DZ per-line logging. 1.6 18b PDP's - Added support for 1-4 (PDP-9)/1-16 (PDP-15) additional terminals. 1.7 PDP-10 - Added DEUNA/DELUA (XU) support (Dave Hittner). 1.8 VAX - Added extended memory to 512MB (Mark Pizzolato). - Added RXV21 support. 2. Bugs Fixed in 3.2-0 2.1 SCP - Fixed double logging of SHOW BREAK (found by Mark Pizzolato). - Fixed implementation of REG_VMIO. 2.2 Nova and Eclipse - Fixed device enable/disable support (found by Bruce Ray). 2.3 PDP-1 - Fixed bug in LOAD (found by Mark Crispin). 2.4 PDP-10 - Fixed bug in floating point unpack. - Fixed bug in FIXR (found by Phil Stone, fixed by Chris Smith). 2.6 PDP-11 - Fixed bug in RQ interrupt control (found by Tom Evans). 2.6 PDP-18B - Fixed bug in PDP-15 XVM g_mode implementation. - Fixed bug in PDP-15 indexed address calculation. - Fixed bug in PDP-15 autoindexed address calculation. - Fixed bugs in FPP-15 instruction decode. - Fixed clock response to CAF. - Fixed bug in hardware read-in mode bootstrap. - Fixed PDP-15 XVM instruction decoding errors. 2.7 VAX - Fixed PC read fault in EXTxV. - Fixed PC write fault in INSV.
134 lines
4.3 KiB
C
134 lines
4.3 KiB
C
/* lgp_defs.h: LGP simulator definitions
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Copyright (c) 2004, Robert M. Supnik
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of Robert M Supnik shall not
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be used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from Robert M Supnik.
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*/
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#ifndef _LGP_DEFS_H_
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#define _LGP_DEFS_H_ 0
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#include "sim_defs.h" /* simulator defns */
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/* Simulator stop codes */
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#define STOP_STOP 1 /* STOP */
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#define STOP_IBKPT 2 /* breakpoint */
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#define STOP_OVF 3 /* overflow */
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#define STOP_NXDEV 4 /* non-existent device */
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#define STOP_STALL 5 /* IO stall */
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/* Memory */
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#define MEMSIZE 4096 /* memory size */
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#define AMASK 0xFFF /* addr mask */
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#define NTK_30 64
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#define NSC_30 64
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#define SCMASK_30 0x03F /* sector mask */
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#define NTK_21 32
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#define NSC_21 128
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#define SCMASK_21 0x07F
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#define RPM 4000 /* rev/minutes */
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#define WPS ((NSC_30 * RPM) / 60) /* words/second */
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/* Architectural constants */
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#define SIGN 0x80000000 /* sign */
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#define DMASK 0xFFFFFFFF /* data mask */
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#define MMASK 0xFFFFFFFE /* memory mask */
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/* Instruction format */
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#define I_M_OP 0xF /* opcode */
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#define I_V_OP 16
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#define I_OP (I_M_OP << I_V_OP)
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#define I_GETOP(x) (((x) >> I_V_OP) & I_M_OP)
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#define I_M_EA AMASK /* address */
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#define I_V_EA 2
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#define I_EA (I_M_EA << I_V_EA)
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#define I_GETEA(x) (((x) >> I_V_EA) & I_M_EA)
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#define I_M_TK 0x3F /* LGP-30 char */
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#define I_V_TK 8 /* LGP-21 device */
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#define I_GETTK(x) (((x) >> I_V_TK) & I_M_TK)
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/* Unit flags */
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#define UNIT_V_LGP21 (UNIT_V_UF + 0)
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#define UNIT_V_MANI (UNIT_V_UF + 1)
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#define UNIT_V_INPT (UNIT_V_UF + 2)
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#define UNIT_V_OUTPT (UNIT_V_UF + 3)
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#define UNIT_V_IN4B (UNIT_V_UF + 4)
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#define UNIT_V_TTSS_D (UNIT_V_UF + 5)
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#define UNIT_V_LGPH_D (UNIT_V_UF + 6)
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#define UNIT_V_FLEX_D (UNIT_V_UF + 7) /* Flex default */
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#define UNIT_V_FLEX (UNIT_V_UF + 8) /* Flex format */
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#define UNIT_V_NOCS (UNIT_V_UF + 9) /* ignore cond stop */
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#define UNIT_LGP21 (1u << UNIT_V_LGP21)
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#define UNIT_MANI (1u << UNIT_V_MANI)
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#define UNIT_INPT (1u << UNIT_V_INPT)
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#define UNIT_OUTPT (1u << UNIT_V_OUTPT)
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#define UNIT_IN4B (1u << UNIT_V_IN4B)
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#define UNIT_TTSS_D (1u << UNIT_V_TTSS_D)
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#define UNIT_LGPH_D (1u << UNIT_V_LGPH_D)
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#define UNIT_FLEX_D (1u << UNIT_V_FLEX_D)
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#define UNIT_FLEX (1u << UNIT_V_FLEX)
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#define UNIT_NOCS (1u << UNIT_V_NOCS)
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#define Q_LGP21 (cpu_unit.flags & UNIT_LGP21)
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#define Q_MANI (cpu_unit.flags & UNIT_MANI)
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#define Q_INPT (cpu_unit.flags & UNIT_INPT)
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#define Q_OUTPT (cpu_unit.flags & UNIT_OUTPT)
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#define Q_IN4B (cpu_unit.flags & UNIT_IN4B)
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/* IO return */
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#define IORETURN(f,v) ((f)? (v): SCPE_OK) /* stop on error */
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/* Significant characters */
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#define FLEX_LC 0x04
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#define FLEX_UC 0x08
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#define FLEX_CR 0x10
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#define FLEX_BS 0x14
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#define FLEX_CSTOP 0x20
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#define FLEX_DEL 0x3F
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/* LGP-21 device assignments */
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#define DEV_PT 0
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#define DEV_TT 2
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#define DEV_MASK 0x1F
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#define DEV_SHIFT 62
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/* Instructions */
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enum opcodes {
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OP_Z, OP_B, OP_Y, OP_R,
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OP_I, OP_D, OP_N, OP_M,
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OP_P, OP_E, OP_U, OP_T,
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OP_H, OP_C, OP_A, OP_S };
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/* Prototypes */
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uint32 Read (uint32 ea);
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void Write (uint32 ea, uint32 dat);
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#endif
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