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[gamecode] Decode hops and extend opcodes

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This commit is contained in:
Bill Currie 2023-08-26 22:43:15 +09:00
parent 91edc5d177
commit a88d17459f
2 changed files with 38 additions and 2 deletions
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4
libs/gamecode/opcodes.py
View file

@ -212,7 +212,7 @@ extend_formats = {
"opcode": "OP_EXTEND",
"mnemonic": "extend",
"opname": "extend",
"format": "%Ga %Hb %gc",
"format": "%Ga%Xb, %gc",
"widths": "-1, 0, -1",
"types": "ev_void, ev_short, ev_void",
}
@ -220,7 +220,7 @@ hops_formats = {
"opcode": "OP_HOPS",
"mnemonic": "hops",
"opname": "hops",
"format": "%Ga %Hb %gc",
"format": "%Ga<%Hb>, %gc",
"widths": "-1, 0, 1",
"types": "ev_void, ev_short, ev_void",
}

36
libs/gamecode/pr_debug.c
View file

@ -1182,6 +1182,36 @@ global_string (pr_debug_data_t *data, pr_ptr_t offset, qfot_type_t *type,
return dstr->str;
}
static const char *
extend_string (pr_debug_data_t *data, pr_uint_t ext)
{
progs_t *pr = data->pr;
prdeb_resources_t *res = pr->pr_debug_resources;
static const char *extend_range[] = {
"1>2", "1>3", "1>4",
"2>3", "2>4", "3>4",
"res1", "res2",
};
static const char *extend_string[] = {
"0", "1", "c", "-1",
};
return va (res->va, "[%s%s:%s]%d",
extend_range[ext & 7],
ext & 0100 ? ":r" : "",
extend_string[(ext >> 3) & 2],
32 << ((ext >> 5) & 1));
}
static const char *
hop_string (pr_debug_data_t *data, pr_uint_t hop)
{
static const char *hop_string[] = {
"&", "|", "^", "+",
"!&", "!|", "!^", "+",
};
return hop_string[hop & 7];
}
static const char *
swizzle_string (pr_debug_data_t *data, pr_uint_t swiz)
{
@ -1826,9 +1856,15 @@ PR_PrintStatement (progs_t *pr, dstatement_t *s, int contents)
case 's':
str = dsprintf (res->dva, "%d", (short) opval);
break;
case 'H':
str = hop_string (&data, opval);
break;
case 'S':
str = swizzle_string (&data, opval);
break;
case 'X':
str = extend_string (&data, opval);
break;
case 'O':
str = dsprintf (res->dva, "%04x",
addr + (short) opval);