1 /* hp2100_cpu1.h: HP 2100/1000 firmware dispatcher definitions
3 Copyright (c) 2006-2008, J. David Bryan
5 Permission is hereby granted, free of charge, to any person obtaining a
6 copy of this software and associated documentation files (the "Software"),
7 to deal in the Software without restriction, including without limitation
8 the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 and/or sell copies of the Software, and to permit persons to whom the
10 Software is furnished to do so, subject to the following conditions:
12 The above copyright notice and this permission notice shall be included in
13 all copies or substantial portions of the Software.
15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
19 IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 Except as contained in this notice, the name of the author shall not
23 be used in advertising or otherwise to promote the sale, use or other dealings
24 in this Software without prior written authorization from the author.
26 30-Apr-08 JDB Corrected OP_AFF to OP_AAFF for SIGNAL/1000
27 Removed unused operand patterns
28 23-Feb-08 HV Added more OP_* for SIGNAL/1000 and VIS
29 28-Nov-07 JDB Added fprint_ops, fprint_regs for debug printouts
30 19-Oct-07 JDB Revised OP_KKKAKK operand profile to OP_CCCACC for $LOC
31 16-Oct-06 JDB Generalized operands for F-Series FP types
32 26-Sep-06 JDB Split from hp2100_cpu1.c
35 #ifndef _HP2100_CPU1_H_
36 #define _HP2100_CPU1_H_
39 /* Register print encoding. */
41 #define REG_COUNT 9 /* count of print flags */
43 #define REG_CIR (1 << 0) /* print central interrupt register */
44 #define REG_A (1 << 1) /* print A register */
45 #define REG_B (1 << 2) /* print B register */
46 #define REG_E (1 << 3) /* print E register */
47 #define REG_X (1 << 4) /* print X register */
48 #define REG_Y (1 << 5) /* print Y register */
49 #define REG_O (1 << 6) /* print O register */
50 #define REG_P (1 << 7) /* print P register */
51 #define REG_P_REL (1 << 8) /* print P register as relative */
54 /* Operand processing encoding. */
56 /* Base operand types. Note that all address encodings must be grouped together
59 #define OP_NUL 0 /* no operand */
60 #define OP_IAR 1 /* 1-word int in A reg */
61 #define OP_JAB 2 /* 2-word int in A/B regs */
62 #define OP_FAB 3 /* 2-word FP const in A/B regs */
63 #define OP_CON 4 /* inline 1-word constant */
64 #define OP_VAR 5 /* inline 1-word variable */
66 #define OP_ADR 6 /* inline address */
67 #define OP_ADK 7 /* addr of 1-word int const */
68 #define OP_ADD 8 /* addr of 2-word int const */
69 #define OP_ADF 9 /* addr of 2-word FP const */
70 #define OP_ADX 10 /* addr of 3-word FP const */
71 #define OP_ADT 11 /* addr of 4-word FP const */
72 #define OP_ADE 12 /* addr of 5-word FP const */
74 #define OP_N_FLAGS 4 /* number of bits needed for flags */
75 #define OP_M_FLAGS ((1 << OP_N_FLAGS) - 1) /* mask for flag bits */
77 #define OP_N_F (8 * sizeof (uint32) / OP_N_FLAGS) /* max number of op fields */
79 #define OP_V_F1 (0 * OP_N_FLAGS) /* 1st operand field */
80 #define OP_V_F2 (1 * OP_N_FLAGS) /* 2nd operand field */
81 #define OP_V_F3 (2 * OP_N_FLAGS) /* 3rd operand field */
82 #define OP_V_F4 (3 * OP_N_FLAGS) /* 4th operand field */
83 #define OP_V_F5 (4 * OP_N_FLAGS) /* 5th operand field */
84 #define OP_V_F6 (5 * OP_N_FLAGS) /* 6th operand field */
85 #define OP_V_F7 (6 * OP_N_FLAGS) /* 7th operand field */
86 #define OP_V_F8 (7 * OP_N_FLAGS) /* 8th operand field */
88 /* Operand processing patterns. */
90 #define OP_N (OP_NUL << OP_V_F1)
91 #define OP_I (OP_IAR << OP_V_F1)
92 #define OP_J (OP_JAB << OP_V_F1)
93 #define OP_R (OP_FAB << OP_V_F1)
94 #define OP_C (OP_CON << OP_V_F1)
95 #define OP_V (OP_VAR << OP_V_F1)
96 #define OP_A (OP_ADR << OP_V_F1)
97 #define OP_K (OP_ADK << OP_V_F1)
98 #define OP_D (OP_ADD << OP_V_F1)
99 #define OP_X (OP_ADX << OP_V_F1)
100 #define OP_T (OP_ADT << OP_V_F1)
101 #define OP_E (OP_ADE << OP_V_F1)
103 #define OP_IA ((OP_IAR << OP_V_F1) | (OP_ADR << OP_V_F2))
104 #define OP_JA ((OP_JAB << OP_V_F1) | (OP_ADR << OP_V_F2))
105 #define OP_JD ((OP_JAB << OP_V_F1) | (OP_ADD << OP_V_F2))
106 #define OP_RC ((OP_FAB << OP_V_F1) | (OP_CON << OP_V_F2))
107 #define OP_RK ((OP_FAB << OP_V_F1) | (OP_ADK << OP_V_F2))
108 #define OP_RF ((OP_FAB << OP_V_F1) | (OP_ADF << OP_V_F2))
109 #define OP_CV ((OP_CON << OP_V_F1) | (OP_VAR << OP_V_F2))
110 #define OP_AC ((OP_ADR << OP_V_F1) | (OP_CON << OP_V_F2))
111 #define OP_AA ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2))
112 #define OP_AK ((OP_ADR << OP_V_F1) | (OP_ADK << OP_V_F2))
113 #define OP_AX ((OP_ADR << OP_V_F1) | (OP_ADX << OP_V_F2))
114 #define OP_AT ((OP_ADR << OP_V_F1) | (OP_ADT << OP_V_F2))
115 #define OP_KV ((OP_ADK << OP_V_F1) | (OP_VAR << OP_V_F2))
116 #define OP_KA ((OP_ADK << OP_V_F1) | (OP_ADR << OP_V_F2))
117 #define OP_KK ((OP_ADK << OP_V_F1) | (OP_ADK << OP_V_F2))
119 #define OP_IIF ((OP_IAR << OP_V_F1) | (OP_IAR << OP_V_F2) | \
122 #define OP_IAT ((OP_IAR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
125 #define OP_CVA ((OP_CON << OP_V_F1) | (OP_VAR << OP_V_F2) | \
128 #define OP_AAA ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
131 #define OP_AAF ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
134 #define OP_AAX ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
137 #define OP_AAT ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
140 #define OP_AKA ((OP_ADR << OP_V_F1) | (OP_ADK << OP_V_F2) | \
143 #define OP_AKK ((OP_ADR << OP_V_F1) | (OP_ADK << OP_V_F2) | \
146 #define OP_AXX ((OP_ADR << OP_V_F1) | (OP_ADX << OP_V_F2) | \
149 #define OP_ATT ((OP_ADR << OP_V_F1) | (OP_ADT << OP_V_F2) | \
152 #define OP_AEE ((OP_ADR << OP_V_F1) | (OP_ADE << OP_V_F2) | \
155 #define OP_AAXX ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
156 (OP_ADX << OP_V_F3) | (OP_ADX << OP_V_F4))
158 #define OP_AAFF ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
159 (OP_ADF << OP_V_F3) | (OP_ADF << OP_V_F4))
161 #define OP_AAKK ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
162 (OP_ADK << OP_V_F3) | (OP_ADK << OP_V_F4))
164 #define OP_KKKK ((OP_ADK << OP_V_F1) | (OP_ADK << OP_V_F2) | \
165 (OP_ADK << OP_V_F3) | (OP_ADK << OP_V_F4))
167 #define OP_AAAKK ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
168 (OP_ADR << OP_V_F3) | (OP_ADK << OP_V_F4) | \
171 #define OP_AKAKK ((OP_ADR << OP_V_F1) | (OP_ADK << OP_V_F2) | \
172 (OP_ADR << OP_V_F3) | (OP_ADK << OP_V_F4) | \
175 #define OP_AAACCC ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
176 (OP_ADR << OP_V_F3) | (OP_CON << OP_V_F4) | \
177 (OP_CON << OP_V_F5) | (OP_CON << OP_V_F6))
179 #define OP_AAFFKK ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
180 (OP_ADF << OP_V_F3) | (OP_ADF << OP_V_F4) | \
181 (OP_ADK << OP_V_F5) | (OP_ADK << OP_V_F6))
183 #define OP_AAKAKK ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
184 (OP_ADK << OP_V_F3) | (OP_ADR << OP_V_F4) | \
185 (OP_ADK << OP_V_F5) | (OP_ADK << OP_V_F6))
187 #define OP_CATAKK ((OP_CON << OP_V_F1) | (OP_ADR << OP_V_F2) | \
188 (OP_ADT << OP_V_F3) | (OP_ADR << OP_V_F4) | \
189 (OP_ADK << OP_V_F5) | (OP_ADK << OP_V_F6))
191 #define OP_CCCACC ((OP_CON << OP_V_F1) | (OP_CON << OP_V_F2) | \
192 (OP_CON << OP_V_F3) | (OP_ADR << OP_V_F4) | \
193 (OP_CON << OP_V_F5) | (OP_CON << OP_V_F6))
195 #define OP_AAAFFKK ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
196 (OP_ADR << OP_V_F3) | (OP_ADF << OP_V_F4) | \
197 (OP_ADF << OP_V_F5) | (OP_ADK << OP_V_F6) | \
200 #define OP_AKAKAKK ((OP_ADR << OP_V_F1) | (OP_ADK << OP_V_F2) | \
201 (OP_ADR << OP_V_F3) | (OP_ADK << OP_V_F4) | \
202 (OP_ADR << OP_V_F5) | (OP_ADK << OP_V_F6) | \
205 #define OP_AAKAKAKK ((OP_ADR << OP_V_F1) | (OP_ADR << OP_V_F2) | \
206 (OP_ADK << OP_V_F3) | (OP_ADR << OP_V_F4) | \
207 (OP_ADK << OP_V_F5) | (OP_ADR << OP_V_F6) | \
208 (OP_ADK << OP_V_F7) | (OP_ADK << OP_V_F8))
210 #define OP_CCACACCA ((OP_CON << OP_V_F1) | (OP_CON << OP_V_F2) | \
211 (OP_ADR << OP_V_F3) | (OP_CON << OP_V_F4) | \
212 (OP_ADR << OP_V_F5) | (OP_CON << OP_V_F6) | \
213 (OP_CON << OP_V_F7) | (OP_ADR << OP_V_F8))
216 /* Operand precisions (compatible with F-Series FPP):
220 - F = 2-word single-precision floating-point
221 - X = 3-word extended-precision floating-point
222 - T = 4-word double-precision floating-point
223 - E = 5-word expanded-exponent floating-point
224 - A = null operand (operand is in FPP accumulator)
226 5-word floating-point numbers are supported by the F-Series Floating-Point
227 Processor hardware, but the instruction codes are not documented.
229 Note that ordering is important, as we depend on the "fp" type codes to
230 reflect the number of words needed.
233 typedef enum { in_s
, in_d
, fp_f
, fp_x
, fp_t
, fp_e
, fp_a
} OPSIZE
;
236 /* Conversion from operand size to word count. */
238 #define TO_COUNT(s) ((s == fp_a) ? 0 : (uint32) (s + (s < fp_f)))
241 /* HP in-memory representation of a packed floating-point number.
242 Actual value will use two, three, four, or five words, as needed. */
244 typedef uint16 FPK
[5];
247 /* Operand processing types.
249 NOTE: Microsoft VC++ 6.0 does not support the C99 standard, so we cannot
250 initialize unions by arbitrary variant ("designated initializers").
251 Therefore, we follow the C90 form of initializing via the first named
252 variant. The FPK variant must appear first in the OP structure, as we define
253 a number of FPK constants in other modules.
256 typedef union { /* general operand */
257 FPK fpk
; /* floating-point value */
258 uint16 word
; /* 16-bit integer */
259 uint32 dword
; /* 32-bit integer */
262 typedef OP OPS
[OP_N_F
]; /* operand array */
264 typedef uint32 OP_PAT
; /* operand pattern */
267 /* Microcode dispatcher functions. */
269 t_stat
cpu_eau (uint32 IR
, uint32 intrq
); /* EAU group simulator */
270 t_stat
cpu_uig_0 (uint32 IR
, uint32 intrq
, uint32 iotrap
); /* UIG group 0 dispatcher */
271 t_stat
cpu_uig_1 (uint32 IR
, uint32 intrq
, uint32 iotrap
); /* UIG group 1 dispatcher */
273 /* Microcode helper functions. */
275 OP
ReadOp (uint32 va
, OPSIZE precision
); /* generalized operand read */
276 void WriteOp (uint32 va
, OP operand
, OPSIZE precision
); /* generalized operand write */
277 t_stat
cpu_ops (OP_PAT pattern
, OPS op
, uint32 irq
); /* operand processor */
279 void fprint_ops (OP_PAT pattern
, OPS op
); /* debug print operands */
280 void fprint_regs (char *caption
, uint32 regs
, uint32 base
); /* debug print CPU registers */