Mercurial > hg > index.cgi

annotate lwasm/insn_rlist.c @ 574:a0c9433dc0d4 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Updated submission guidelines including notes about evangelism. TLDR: Don't.
author William Astle <lost@l-w.ca>
date Mon, 04 Mar 2024 10:10:38 -0700
parents f9ffd1935cee
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1 /*
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
2 insn_rlist.c
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
3 Copyright © 2009 William Astle
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
4
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
5 This file is part of LWASM.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
6
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
7 LWASM is free software: you can redistribute it and/or modify it under the
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
8 terms of the GNU General Public License as published by the Free Software
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
9 Foundation, either version 3 of the License, or (at your option) any later
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
10 version.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
11
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
12 This program is distributed in the hope that it will be useful, but WITHOUT
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
15 more details.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
16
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
17 You should have received a copy of the GNU General Public License along with
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
18 this program. If not, see <http://www.gnu.org/licenses/>.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
19 */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
20
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
21 /*
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
22 for handling inherent mode instructions
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
23 */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
24
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
25 #include <ctype.h>
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
26
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
27 #include "lwasm.h"
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
28 #include "instab.h"
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
29
552
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
30 PARSEFUNC(insn_parse_imm8);
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
31 EMITFUNC(insn_emit_imm8);
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
32
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
33 PARSEFUNC(insn_parse_rlist)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
34 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
35 int rb = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
36 int rn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
37 static const char *regs = "CCA B DPX Y U PCD S ";
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
38
552
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
39 l -> lint = 0;
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
40 if (**p == '#')
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
41 {
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
42 insn_parse_imm8(as, l, p);
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
43 l -> lint = 1;
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
44 return;
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
45 }
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
46
404
f6e03c2cebfb Fix "rlist" to recognize comments as end of operand
William Astle <lost@l-w.ca>
parents: 402
diff changeset
47 while (**p && !isspace(**p) && **p != ';' && **p != '*')
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
48 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
49 rn = lwasm_lookupreg2(regs, p);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
50 if (rn < 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
51 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 368
diff changeset
52 lwasm_register_error2(as, l, E_REGISTER_BAD, "'%s'", *p);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
53 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
54 }
402
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
55 lwasm_skip_to_next_token(l, p);
404
f6e03c2cebfb Fix "rlist" to recognize comments as end of operand
William Astle <lost@l-w.ca>
parents: 402
diff changeset
56 if (**p && **p != ',' && !isspace(**p) && **p != ';' && **p != '*')
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
57 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 368
diff changeset
58 lwasm_register_error(as, l, E_OPERAND_BAD);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
59 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
60 if (**p == ',')
402
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
61 {
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
62 (*p)++;
402
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
63 lwasm_skip_to_next_token(l, p);
b20f14edda5a Completed initial conversion to new parser allowing spaces in operands
William Astle <lost@l-w.ca>
parents: 376
diff changeset
64 }
373
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
65 if ((instab[l -> insn].ops[0]) & 2)
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
66 {
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
67 // pshu/pulu
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
68 if (rn == 6)
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
69 {
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
70 lwasm_register_error2(as, l, E_REGISTER_BAD, "'%s'", "u");
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
71 return;
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
72 }
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
73 }
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
74 else
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
75 {
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
76 if (rn == 9)
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
77 {
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
78 lwasm_register_error2(as, l, E_REGISTER_BAD, "'%s'", "s");
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
79 return;
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
80 }
00fced888c5d Fix psh/pul to not accept the stack pointer as a valid argument
William Astle <lost@l-w.ca>
parents: 370
diff changeset
81 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
82 if (rn == 8)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
83 rn = 6;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
84 else if (rn == 9)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
85 rn = 0x40;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
86 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
87 rn = 1 << rn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
88 rb |= rn;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
89 }
368
362f8fb0695b Make psh/pul error out if no registers given
William Astle <lost@l-w.ca>
parents: 2
diff changeset
90 if (rb == 0)
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 368
diff changeset
91 lwasm_register_error(as, l, E_OPERAND_BAD);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
92 l -> len = OPLEN(instab[l -> insn].ops[0]) + 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
93 l -> pb = rb;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
94 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
95
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
96 EMITFUNC(insn_emit_rlist)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
97 {
552
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
98 if (l -> lint == 1)
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
99 {
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
100 insn_emit_imm8(as, l);
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
101 return;
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
102 }
f9ffd1935cee Add explicit immediate mode to register list instructions (PSHS, etc.)
William Astle <lost@l-w.ca>
parents: 404
diff changeset
103
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
104 lwasm_emitop(l, instab[l -> insn].ops[0]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
105 lwasm_emit(l, l -> pb);
376
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 373
diff changeset
106
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 373
diff changeset
107 l -> cycle_adj = lwasm_cycle_calc_rlist(l);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
108 }