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xolatile 2024-07-25 07:59:18 -04:00
parent 630b6aa36c
commit 62e4518150
2 changed files with 25 additions and 8 deletions
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18
source/assembler.c
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@ -118,6 +118,8 @@ static void build_regular (unsigned int operation, unsigned int size, unsigned i
|| ((to == REG) && (from == IMM) && front (destination))),
0x40);
input ((from == IMM) && (to == REG), 0x81 - 0x01 * (size == D8));
input ((from == IMM) && (to == REG) && (destination == 0), 0x05 + 0x08 * (operation & 0x07) - 0x01 * (size == D8));
input (! ((from == IMM) && (to == REG) && (destination == 0)),
@ -135,12 +137,12 @@ static void build_regular (unsigned int operation, unsigned int size, unsigned i
modify_memory (destination, to, from);
modify_memory (source, to, from);
input_at ((to == REG) && (from == MEM), D32, source, 0x1000);
input_at ((to == REG) && (from == MEM), D32, source, 0x1000 - (text_sector_size + 4));
input_by ((to == REG) && (from == IMM), size, source);
input_at ((to == MEM) && (from == REG), D32, destination, 0x1000);
input_at ((to == MEM) && (from == IMM), D32, destination, 0x1000);
input_at ((to == MEM) && (from == REG), D32, destination, 0x1000 - (text_sector_size + 4));
input_at ((to == MEM) && (from == IMM), D32, destination, 0x1000 - (text_sector_size + 4));
input_by ((to == MEM) && (from == IMM), size, source);
input_at ((to == REG) && (from == REL), D32, source, 0x4010b0);
input_at ((to == REG) && (from == REL), D32, source, 0x4010b0 - (text_sector_size + 4));
}
static void build_irregular (unsigned int operation, unsigned int size, unsigned int to, unsigned int destination) {
@ -155,7 +157,7 @@ static void build_irregular (unsigned int operation, unsigned int size, unsigned
input (to == REG, 0xc0 + 0x08 * (operation - IRREGULAR_BEGIN) + 0x01 * (destination & 0x07));
input (to == MEM, 0x05 + 0x08 * (operation - IRREGULAR_BEGIN));
input_at (to == MEM, D32, destination, 0x1000);
input_at (to == MEM, D32, destination, 0x1000 - (text_sector_size + 4));
}
static void build_special_1 (unsigned int operation) {
@ -232,10 +234,10 @@ static void build_move (unsigned int size, unsigned int to, unsigned int destina
input ((to == MEM) && (from == IMM), 0xc6 + 0x01 * (size != D8));
input ((to == MEM) && (from == IMM), 0x05);
input_at ((to == REG) && (from == MEM), D32, source, 0x1000);
input_at ((to == REG) && (from == MEM), D32, source, 0x1000 - (text_sector_size + 4));
input_by ((to == REG) && (from == IMM), size, source);
input_at ((to == MEM) && (from == REG), D32, destination, 0x1000);
input_at ((to == MEM) && (from == IMM), D32, destination, 0x1000);
input_at ((to == MEM) && (from == REG), D32, destination, 0x1000 - (text_sector_size + 4));
input_at ((to == MEM) && (from == IMM), D32, destination, 0x1000 - (text_sector_size + 4));
input_by ((to == MEM) && (from == IMM), size, source);
input_at ((to == REG) && (from == REL), D32, source, 0x4010b0);

15
test/india.eax Normal file
View File

@ -0,0 +1,15 @@
unix program hello
s8 <> message = "Hello, world!"
begin
mov ebx 0
mov edi 1
mov esi message
mov edx 13
india:
mov eax 1
syscall
inc ebx
cmp ebx 1000000
jne india
exit 0
end program