add l_compile_move_left

1 files changed, 54 insertions, 5 deletions

diff --git a/bfc.S b/bfc.S
index c3edde2..8badee3 100644
--- a/bfc.S
+++ b/bfc.S
@@ -69,12 +69,61 @@ l_read_loop:
 	cmp $0, %rax
 	je l_read_loop_end
 
-	mov $SYS_WRITE, %rax
-	mov $1, %rdi
-	mov $v_input_char, %rsi
-	mov $1, %rdx
-	syscall
+	mov $v_input_char, %rbx
+	mov (%rbx), %rax
+	cmp $'<', %rax
+	je l_compile_move_left
+	cmp $'>', %rax
+	je l_compile_move_right
+	cmp $'+', %rax
+	je l_compile_inc
+	cmp $'-', %rax
+	je l_compile_dec
+	cmp $'[', %rax
+	je l_compile_loop_start
+	cmp $']', %rax
+	je l_compile_loop_end
+	cmp $'.', %rax
+	je l_compile_write
+	cmp $',', %rax
+	je l_compile_read
+	jmp l_read_loop
+
+l_compile_move_left:
+	mov $v_buffer_cursor, %rbx
+	mov (%rbx), %rsi
+	add $3, %rsi
+	call f_check_buffer
+
+	mov $v_buffer_cursor, %rbx
+	mov (%rbx), %rax
+	movl $0xc0ff48, (%rax)
+	add $3, %rax
+	mov %rax, (%rbx)
+
+	jmp l_read_loop
+
+l_compile_move_right:
+	jmp l_read_loop
+
+l_compile_inc:
+	jmp l_read_loop
+
+l_compile_dec:
+	jmp l_read_loop
+
+l_compile_loop_start:
 	jmp l_read_loop
+
+l_compile_loop_end:
+	jmp l_read_loop
+
+l_compile_write:
+	jmp l_read_loop
+
+l_compile_read:
+	jmp l_read_loop
+
 l_read_loop_end:
 
 	call f_close_files