Created
April 7, 2012 13:30
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jxAssembler preprocessor and parser
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.include "Test2.s" | |
; Comment lines | |
; another one | |
:lala | |
SET A, 0x30 ; should be | |
SET [ A+0x1000 ], 0x20; removed | |
SUB A, [ 0x1000] | |
IFN A, 0x10 | |
SET PC, crash | |
SET I, 10 | |
SET A, 0x2000 | |
:loop SET [0x2000+I], [A] | |
SUB I, 1 | |
IFN I, 0 | |
SET PC, loop | |
:crash | |
SHL X, 4 | |
SET PC, POP | |
SET PC, PUSH | |
;SET [0x10++], 0x10 | |
===== Test2.s is now empty ====== | |
========= REWRITTEN TO, BY PREPROCESSOR ======== | |
:lala | |
SET A, 0x30 | |
SET [ A + 0x1000 ], 0x20 | |
SUB A, [ 0x1000 ] | |
IFN A, 0x10 | |
SET PC, crash | |
SET I, 10 | |
SET A, 0x2000 | |
:loop | |
SET [ 0x2000 + I ], [ A ] | |
SUB I, 1 | |
IFN I, 0 | |
SET PC, loop | |
:crash | |
SHL X, 4 | |
SET PC, [ SP ++ ] | |
SET PC, [ -- SP ] | |
========= PARSED INTERNALLY TO ========== | |
( | |
"__label_ref(lala)", | |
"__opcode(SET)", | |
"__reg_general(A)", | |
"__literal(48)", | |
"__opcode(SET)", | |
"__ptr_val({", | |
"__reg_general(A)", | |
"__operator_add", | |
"__literal(4096)", | |
"})", | |
"__literal(32)", | |
"__opcode(SUB)", | |
"__reg_general(A)", | |
"__ptr_val({", | |
"__literal(4096)", | |
"})", | |
"__opcode(IFN)", | |
"__reg_general(A)", | |
"__literal(16)", | |
"__opcode(SET)", | |
"__reg_program_counter", | |
"__label(crash)", | |
"__opcode(SET)", | |
"__reg_general(I)", | |
"__literal(10)", | |
"__opcode(SET)", | |
"__reg_general(A)", | |
"__literal(8192)", | |
"__label_ref(loop)", | |
"__opcode(SET)", | |
"__ptr_val({", | |
"__reg_general(I)", | |
"__operator_add", | |
"__literal(8192)", | |
"})", | |
"__ptr_val({", | |
"__reg_general(A)", | |
"})", | |
"__opcode(SUB)", | |
"__reg_general(I)", | |
"__literal(1)", | |
"__opcode(IFN)", | |
"__reg_general(I)", | |
"__literal(0)", | |
"__opcode(SET)", | |
"__reg_program_counter", | |
"__label(loop)", | |
"__label_ref(crash)", | |
"__opcode(SHL)", | |
"__reg_general(X)", | |
"__literal(4)", | |
"__opcode(SET)", | |
"__reg_program_counter", | |
"__ptr_val({", | |
"__reg_stack_pointer", | |
"__operator_inc", | |
"})", | |
"__opcode(SET)", | |
"__reg_program_counter", | |
"__ptr_val({", | |
"__operator_dec", | |
"__reg_stack_pointer", | |
"})" | |
) | |
=== which is an array with text items ;) ==== |
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