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Work in progress on small debugging and refactoring...

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This commit is contained in:
xolatile
2024-07-07 03:17:18 -04:00
parent 50cb09e4e1
commit 33b8628466
3 changed files with 186 additions and 70 deletions
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32
source/assembler.c
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@ -54,9 +54,9 @@ static void place (form when,
token_count += (next) when;
}
static void print (form when,
form size,
next data) {
static void print (form when,
size_index size,
next data) {
/* */
place ((when != 0) && (size >= D8), (byte) ((data >> 0) & 0XFF));
place ((when != 0) && (size >= D16), (byte) ((data >> 8) & 0XFF));
@ -83,8 +83,8 @@ static void build_long_prefix (form use_big_registers,
/* */
place (use_big_registers || use_new_destination || use_new_source,
(byte) (0X40
+ 0X01 * use_new_source
+ 0X04 * use_new_destination
+ 0X01 * use_new_destination
+ 0X04 * use_new_source
+ 0X08 * use_big_registers));
}
@ -237,7 +237,7 @@ static void build_jump (size_index size,
type_index to,
next destination) {
/* */
place ((to == REG) && upper (destination), (byte) 0X41);
place ((to == REG) && upper ((form) destination), (byte) 0X41);
place (to == REL, (byte) (0XE9 + 0X02 * (size == D8)));
place (to == REG, (byte) 0XFF);
@ -275,11 +275,11 @@ static void build_move (size_index size,
place ((to == MEM) && (from == IMM), (byte) (0XC6 + (size != D8)));
place ((to == MEM) && (from == IMM), (byte) (0X05));
//~print ((to == REG) && (from == MEM), D32, (next) ~0);
//~print ((to == REG) && (from == IMM), size, source);
//~print ((to == MEM) && (from == REG), D32, (next) ~0);
//~print ((to == MEM) && (from == IMM), D32, (next) ~0);
//~print ((to == MEM) && (from == IMM), size, source);
print ((to == REG) && (from == MEM), D32, (next) ~0);
print ((to == REG) && (from == IMM), size, source);
print ((to == MEM) && (from == REG), D32, (next) ~0);
print ((to == MEM) && (from == IMM), D32, (next) ~0);
print ((to == MEM) && (from == IMM), size, source);
}
next token_count;
@ -322,13 +322,13 @@ void assemble (next count,
array [index + 4], array [index + 5]);
index += 5;
} else if (array [index] == JMP) {
build_jump_if (array [index + 1], array [index + 2],
array [index + 3]);
build_jump (array [index + 1], array [index + 2],
array [index + 3]);
index += 3;
} else if (array [index] == MOV) {
build_move_if (array [index + 1], array [index + 2],
array [index + 3], array [index + 4],
array [index + 5]);
build_move (array [index + 1], array [index + 2],
array [index + 3], array [index + 4],
array [index + 5]);
index += 5;
} else {
exit (EXIT_FAILURE); // For debugging only!