| /* system_defs.h: Intel iSBC simulator definitions | |
| Copyright (c) 2010, William A. Beech | |
| 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 | |
| William A. Beech 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 William A. Beech shall not be | |
| used in advertising or otherwise to promote the sale, use or other dealings | |
| in this Software without prior written authorization from William A. Beech. | |
| ?? ??? 10 - Original file. | |
| */ | |
| #include <stdio.h> | |
| #include <ctype.h> | |
| #include "sim_defs.h" /* simulator defns */ | |
| #define SET_XACK(VAL) (xack = VAL) | |
| //chip definitions for the iSBC-80/20 | |
| /* set the base I/O address for the 8251 */ | |
| #define I8251_BASE 0xEC | |
| #define I8251_NUM 1 | |
| /* set the base I/O address for the 8255 */ | |
| #define I8255_BASE_0 0xE4 | |
| #define I8255_BASE_1 0xE8 | |
| #define I8255_NUM 2 | |
| /* set the base I/O address for the 8259 */ | |
| #define I8259_BASE 0xD8 | |
| #define I8259_NUM 1 | |
| /* set the base and size for the EPROM on the iSBC 80/20 */ | |
| #define ROM_BASE 0x0000 | |
| #define ROM_SIZE 0x1000 | |
| #define ROM_DISABLE 1 | |
| /* set the base and size for the RAM on the iSBC 80/20 */ | |
| #define RAM_BASE 0x3C00 | |
| #define RAM_SIZE 0x0400 | |
| #define RAM_DISABLE 1 | |
| /* set INTR for CPU */ | |
| #define INTR INT_1 | |
| //board definitions for the multibus | |
| /* set the base I/O address for the iSBC 201 */ | |
| #define SBC201_BASE 0x78 | |
| #define SBC201_INT INT_1 | |
| #define SBC201_NUM 0 | |
| /* set the base I/O address for the iSBC 202 */ | |
| #define SBC202_BASE 0x78 | |
| #define SBC202_INT INT_1 | |
| #define SBC202_NUM 1 | |
| /* set the base I/O address for the iSBC 208 */ | |
| #define SBC208_BASE 0x40 | |
| #define SBC208_INT INT_1 | |
| #define SBC208_NUM 0 | |
| /* set the base for the zx-200a disk controller */ | |
| #define ZX200A_BASE 0x78 | |
| #define ZX200A_INT INT_1 | |
| #define ZX200A_NUM 0 | |
| /* set the base and size for the iSBC 064 */ | |
| #define SBC064_BASE 0x0000 | |
| #define SBC064_SIZE 0x10000 | |
| #define SBC064_NUM 1 | |
| /* multibus interrupt definitions */ | |
| #define INT_0 0x01 | |
| #define INT_1 0x02 | |
| #define INT_2 0x04 | |
| #define INT_3 0x08 | |
| #define INT_4 0x10 | |
| #define INT_5 0x20 | |
| #define INT_6 0x40 | |
| #define INT_7 0x80 | |
| /* CPU interrupts definitions */ | |
| #define INT_R 0x200 | |
| #define I75 0x40 | |
| #define I65 0x20 | |
| #define I55 0x10 | |
| /* Memory */ | |
| #define MAXMEMSIZE 0x10000 /* 8080 max memory size */ | |
| #define MEMSIZE (i8080_unit.capac) /* 8080 actual memory size */ | |
| #define ADDRMASK (MAXMEMSIZE - 1) /* 8080 address mask */ | |
| #define MEM_ADDR_OK(x) (((uint32) (x)) < MEMSIZE) | |
| /* debug definitions */ | |
| #define DEBUG_flow 0x0001 | |
| #define DEBUG_read 0x0002 | |
| #define DEBUG_write 0x0004 | |
| #define DEBUG_level1 0x0008 | |
| #define DEBUG_level2 0x0010 | |
| #define DEBUG_reg 0x0020 | |
| #define DEBUG_asm 0x0040 | |
| #define DEBUG_xack 0x0080 | |
| #define DEBUG_all 0xFFFF | |
| /* Simulator stop codes */ | |
| #define STOP_RSRV 1 /* must be 1 */ | |
| #define STOP_HALT 2 /* HALT */ | |
| #define STOP_IBKPT 3 /* breakpoint */ | |
| #define STOP_OPCODE 4 /* Invalid Opcode */ | |
| #define STOP_IO 5 /* I/O error */ | |
| #define STOP_MEM 6 /* Memory error */ | |
| #define STOP_XACK 7 /* XACK error */ | |