/* id16_dboot.c: Interdata 16b simulator disk bootstrap Copyright (c) 2000-2008, 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. 17-Jul-06 RMS Fixed transcription error */ #include "id_defs.h" #define DBOOT_BEG 0x1000 #define DBOOT_START 0x100e #define DBOOT_LEN (sizeof (dboot_rom) / sizeof (uint8)) /* Boot ROM: transcription of OS/16 MT2 ALO Direct Access Loader */ static uint8 dboot_rom[] = { 0xca, 0xf0, 0x00, 0x30, 0xc5, 0xf0, 0x00, 0x3a, 0x02, 0x8e, 0x26, 0xf7, 0x03, 0x0e, 0xd1, 0xc0, 0x00, 0x78, 0xd0, 0xc0, 0x13, 0xf6, 0x07, 0xdd, 0xc8, 0x10, 0x10, 0x00, 0xd3, 0xf0, 0x00, 0x7e, 0xc4, 0xf0, 0x00, 0x0f, 0x01, 0xe1, 0xd2, 0xf0, 0x12, 0xe2, 0xd3, 0xf0, 0x00, 0x7f, 0x90, 0xf4, 0x01, 0xe1, 0xd2, 0xf0, 0x12, 0xe3, 0xd3, 0xf0, 0x00, 0x7f, 0xc4, 0xf0, 0x00, 0x0f, 0x01, 0xe1, 0xd2, 0xf0, 0x12, 0xe4, 0xd3, 0x20, 0x00, 0x7d, 0xd3, 0x30, 0x00, 0x7c, 0xd3, 0x40, 0x00, 0x7a, 0xd3, 0x50, 0x00, 0x7b, 0xc8, 0x70, 0x12, 0xf6, 0xc8, 0x80, 0x13, 0xf5, 0x07, 0xaa, 0x07, 0xcc, 0x41, 0xe0, 0x11, 0x88, 0x48, 0xa0, 0x12, 0xfe, 0x48, 0xc0, 0x13, 0x00, 0x43, 0x00, 0x10, 0x98, 0xc8, 0x70, 0x12, 0xf6, 0x41, 0xe0, 0x11, 0x88, 0xc8, 0xe0, 0x12, 0xfa, 0x24, 0x15, 0xd3, 0x0e, 0x00, 0x24, 0xc3, 0x00, 0x00, 0x10, 0x21, 0x3f, 0xca, 0xe0, 0x00, 0x30, 0x27, 0x11, 0x20, 0x38, 0x48, 0xa0, 0x12, 0xf6, 0x48, 0xc0, 0x12, 0xf8, 0x42, 0x30, 0x10, 0x70, 0x08, 0xaa, 0x20, 0x33, 0x43, 0x00, 0x12, 0xb2, 0x90, 0x05, 0x42, 0x30, 0x10, 0x88, 0xc8, 0x60, 0x4f, 0x53, 0x45, 0x63, 0x00, 0x00, 0x20, 0x36, 0xc8, 0x60, 0x31, 0x36, 0x45, 0x6e, 0x00, 0x02, 0x20, 0x3b, 0x48, 0x6e, 0x00, 0x08, 0x45, 0x60, 0x12, 0xe2, 0x20, 0x35, 0xd3, 0x6e, 0x00, 0x0a, 0xd4, 0x60, 0x12, 0xe4, 0x20, 0x3a, 0x08, 0x0e, 0x07, 0x66, 0xca, 0x60, 0x20, 0x00, 0x23, 0x36, 0x40, 0x06, 0x00, 0x00, 0x45, 0x06, 0x00, 0x00, 0x22, 0x37, 0x48, 0xae, 0x00, 0x0c, 0x48, 0xce, 0x00, 0x0e, 0x48, 0x0e, 0x00, 0x10, 0x48, 0x1e, 0x00, 0x12, 0x0b, 0x1c, 0x0f, 0x0a, 0x07, 0xff, 0x26, 0x11, 0x0e, 0x0f, 0xed, 0x00, 0x00, 0x08, 0xcb, 0x60, 0x02, 0xbe, 0x08, 0x00, 0x23, 0x34, 0x08, 0x86, 0x08, 0x16, 0x23, 0x04, 0x05, 0x16, 0x22, 0x84, 0x08, 0x81, 0x07, 0x77, 0x27, 0x81, 0xc8, 0xd1, 0xee, 0xc0, 0xc8, 0xf0, 0x11, 0x40, 0x48, 0x0f, 0x00, 0x00, 0x40, 0x01, 0x00, 0x00, 0x26, 0xf2, 0x26, 0x12, 0xc5, 0xf0, 0x13, 0xfe, 0x20, 0x88, 0x0a, 0xed, 0x40, 0xed, 0x12, 0xf4, 0x43, 0x0d, 0x11, 0x40, 0x41, 0xed, 0x11, 0x88, 0xd1, 0xed, 0x13, 0xf6, 0xd0, 0xe0, 0x00, 0x78, 0xd1, 0xed, 0x13, 0xfa, 0xd0, 0xe0, 0x00, 0x7c, 0x48, 0x10, 0x00, 0x62, 0x48, 0x6d, 0x12, 0xf4, 0xd1, 0xa6, 0x00, 0x00, 0xd0, 0xa1, 0x00, 0x30, 0xd1, 0xe6, 0x00, 0x0c, 0xd0, 0xe1, 0x00, 0x28, 0x43, 0x00, 0x00, 0x60, 0x07, 0x00, 0x07, 0xbb, 0x0b, 0xcf, 0x0f, 0xab, 0x21, 0x13, 0x26, 0x01, 0x22, 0x04, 0x0a, 0xcf, 0x0e, 0xab, 0x08, 0xac, 0x08, 0xc0, 0x03, 0x0e, 0xde, 0x2d, 0x12, 0x1e, 0xc5, 0x50, 0x00, 0x33, 0x42, 0x2d, 0x11, 0xec, 0xde, 0x3d, 0x12, 0x1e, 0x9d, 0x3f, 0x22, 0x21, 0x9d, 0x4f, 0x42, 0x1d, 0x12, 0xb8, 0xc3, 0xf0, 0x00, 0x10, 0x20, 0x35, 0xd0, 0xad, 0x13, 0xea, 0xc8, 0xf0, 0x00, 0x30, 0x41, 0xed, 0x11, 0x70, 0x08, 0x9c, 0x08, 0xba, 0x48, 0xad, 0x13, 0xea, 0x48, 0xcd, 0x13, 0xee, 0xd1, 0xed, 0x13, 0xf2, 0xc5, 0xb0, 0x00, 0x18, 0x21, 0x82, 0x26, 0xb8, 0x98, 0x49, 0xde, 0x4d, 0x12, 0xe7, 0x9d, 0x3f, 0x22, 0x21, 0x9d, 0x4f, 0x42, 0x7d, 0x12, 0xb8, 0x20, 0x83, 0x98, 0x27, 0x98, 0x28, 0x98, 0x49, 0x9a, 0x3b, 0x41, 0x6d, 0x12, 0x7a, 0x22, 0x0f, 0x9d, 0x4f, 0xc3, 0xf0, 0x00, 0x19, 0x42, 0x3d, 0x12, 0xb8, 0xd0, 0xad, 0x13, 0xea, 0xc8, 0xf5, 0xff, 0xcc, 0x0a, 0xff, 0x48, 0xff, 0x12, 0xec, 0x41, 0xed, 0x11, 0x70, 0x08, 0x9c, 0x08, 0xca, 0x07, 0xaa, 0xc8, 0xf5, 0xff, 0xcc, 0xd3, 0xff, 0x12, 0xe8, 0x41, 0xed, 0x11, 0x70, 0x40, 0xcd, 0x12, 0xf2, 0x08, 0xba, 0x48, 0xad, 0x13, 0xea, 0x48, 0xcd, 0x13, 0xee, 0xd1, 0xed, 0x13, 0xf2, 0xde, 0x4d, 0x12, 0x6e, 0x9d, 0x3f, 0x22, 0x21, 0x98, 0x49, 0xde, 0x4d, 0x12, 0xd0, 0x9d, 0x3f, 0x22, 0x21, 0xde, 0x4d, 0x12, 0xa2, 0x9d, 0x3f, 0x22, 0x21, 0xd8, 0x4d, 0x12, 0xf2, 0xde, 0x4d, 0x12, 0xd1, 0x9d, 0x3f, 0x22, 0x21, 0xde, 0x4d, 0x12, 0xe7, 0x9d, 0x3f, 0x22, 0x21, 0x9d, 0x4f, 0x20, 0x81, 0xc3, 0xf0, 0x00, 0x53, 0x42, 0x3d, 0x12, 0xb8, 0x48, 0xfd, 0x12, 0xf2, 0x91, 0xfa, 0x06, 0xf9, 0xc8, 0x6d, 0x12, 0x2c, 0x98, 0x27, 0x98, 0x28, 0x9a, 0x3b, 0x98, 0x3f, 0xde, 0x3d, 0x12, 0xe6, 0xde, 0x2d, 0x11, 0xaf, 0x9d, 0x2f, 0x20, 0x81, 0xde, 0x2d, 0x12, 0x1e, 0x99, 0x20, 0xde, 0x2d, 0x12, 0x1e, 0x9d, 0x3f, 0x22, 0x21, 0x42, 0x1d, 0x12, 0xbc, 0xc3, 0xf0, 0x00, 0x10, 0x03, 0x3e, 0x0b, 0x07, 0x26, 0x02, 0xc4, 0x00, 0xff, 0x00, 0x0a, 0x70, 0x26, 0x91, 0x07, 0xbb, 0x40, 0xbd, 0x12, 0xf2, 0x03, 0x06, 0x24, 0xf1, 0x24, 0x10, 0x23, 0x04, 0x08, 0x14, 0x23, 0x02, 0x08, 0x13, 0x24, 0x01, 0xde, 0x0d, 0x10, 0xdc, 0x9a, 0x0f, 0x9a, 0x01, 0xde, 0x0d, 0x12, 0xe5, 0xd1, 0xed, 0x13, 0xf6, 0xd0, 0xe0, 0x00, 0x78, 0xd1, 0xed, 0x13, 0xfa, 0xd0, 0xe0, 0x00, 0x7c, 0x91, 0x0f, 0x95, 0x10, 0x22, 0x01, 0x00, 0x00, 0x00, 0x80, 0xc1, 0xc2, 0x14, 0x40, 0x40, 0x00, 0x01, 0x90, 0x01, 0x40, 0x04, 0xc0, 0x00, 0x00, 0x00, 0x00 }; /* Lower memory setup 78 = binary input device address 79 = binary device input command 7A = disk device number 7B = device code 7C = disk controller address 7D = selector channel address 7E:7F = operating system extension (user specified) */ struct dboot_id { char *name; uint32 sw; uint32 cap; uint32 dtype; uint32 offset; uint32 adder; }; static struct dboot_id dboot_tab[] = { { "DP", 0, 2, 0x31, o_DP0, 0 }, { "DP", SWMASK ('F'), 9, 0x32, o_DP0, o_DPF }, { "DP", 0, 9, 0x33, o_DP0, 0 }, { "DM", 0, 64, 0x35, o_ID0, 0 }, { "DM", 0, 244, 0x36, o_ID0, 0 }, { NULL } }; t_stat id_dboot (int32 u, DEVICE *dptr) { extern DIB pt_dib, sch_dib; extern uint32 PC; uint32 i, typ, ctlno, off, add, cap, sch_dev; UNIT *uptr; DIB *ddib = (DIB *) dptr->ctxt; /* get disk DIB */ ctlno = ddib->dno; /* get ctrl devno */ sch_dev = sch_dib.dno + ddib->sch; /* sch dev # */ uptr = dptr->units + u; /* get capacity */ cap = uptr->capac >> 20; for (i = typ = 0; dboot_tab[i].name != NULL; i++) { if ((strcmp (dboot_tab[i].name, dptr->name) == 0) && (dboot_tab[i].cap == cap)) { typ = dboot_tab[i].dtype; off = dboot_tab[i].offset; add = dboot_tab[i].adder; break; } } if (typ == 0) return SCPE_NOFNC; IOWriteBlk (DBOOT_BEG, DBOOT_LEN, dboot_rom); /* copy boot */ IOWriteB (AL_DEV, pt_dib.dno); /* bin input dev */ IOWriteB (AL_IOC, 0x99); IOWriteB (AL_DSKU, ctlno + ((u + 1) * off) + add); /* disk param */ IOWriteB (AL_DSKT, typ); IOWriteB (AL_DSKC, ctlno); IOWriteB (AL_SCH, sch_dev); PC = DBOOT_START; return SCPE_OK; }