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Added experimental implementation of push instruction...

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This commit is contained in:
xolatile
2024-07-26 22:51:05 -04:00
parent 3ff56f1183
commit 36f0197c27
1 changed files with 27 additions and 4 deletions
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31
source/assembler.c
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@ -270,7 +270,12 @@ static void build_pop (unsigned int size, unsigned int to, unsigned int destinat
insert_memory (to == MEM, D32, destination, 0);
}
static void build_push (unsigned int size, unsigned int from, unsigned int source) {
// HIGHLY EXPERIMENTAL CODE
static unsigned int build_push (unsigned int * array) {
unsigned int size = array [0],
from = array [1],
source = array [2];
short_prefix (size);
input ((from == REG) && (upper (source)), 0x41);
@ -282,7 +287,22 @@ static void build_push (unsigned int size, unsigned int from, unsigned int sourc
insert_memory (from == MEM, D32, source, 0);
insert_immediate (from == IMM, size, source);
return (3);
}
/*static void build_push (unsigned int size, unsigned int from, unsigned int source) {
short_prefix (size);
input ((from == REG) && (upper (source)), 0x41);
input (from == REG, 0x50 + 0x01 * (source & 0x07));
input (from == MEM, 0xff);
input (from == MEM, 0x35);
input (from == IMM, 0x68 + 0x02 * (size == D8));
insert_memory (from == MEM, D32, source, 0);
insert_immediate (from == IMM, size, source);
}*/
static void build_float (unsigned int operation, unsigned int size, unsigned int from, unsigned int source) {
input (from == MEM, 0xd8 + 0x04 * (size == D64));
@ -392,10 +412,13 @@ void assemble (unsigned int count, unsigned int * array) {
index += 3;
} break;
case PUSH: {
build_push (array [index + 1], array [index + 2], array [index + 3]);
index += 3;
/*build_push (array [index + 1], array [index + 2], array [index + 3]);
index += 3;*/
index += build_push (& array [index + 1]);
} break;
default: exit (array [index]);
default: {
exit (array [index]);
}
}
}