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109 lines
2.2 KiB
109 lines
2.2 KiB
2 years ago
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.include "instr.inc"
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.text
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.global _start
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_start:
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push_pc
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pop_r3
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cp_r3 _start
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jp_eq main
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ld_r2_r3
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add_r2 (str_wrong_address - _start)
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jp PrintStr
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main:
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# Gather the password
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ld_r2 str_prompt_password
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call PrintStr
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ld_r2 mem_password
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ld_r3 0x10
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call ReadStr
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ld_r2 mem_password
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call StrTrim
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ld_r2 str_validating
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call PrintStr
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# Fuck you
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# Fuck you
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# Fuck you
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ld_r3 0 # Fuck you
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mix # Fuck you
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mix1_ld_r1 mem_password # Fuck you
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mix1_inc_r1 # Fuck you
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mix1_ldr_r0_r1 # Fuck you
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mix1_ld_r1 0x5871 # Fuck you
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mix1_cp_r0_r1 # Fuck you
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mix1_jp_ne mix1_skip_inc # Fuck you
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mix1_inc_r3 # Fuck you
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mix1_skip_inc: # Fuck you
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# Fuck you
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mix1_switch2 # Fuck you
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mix2_ldr_r0 mem_password + 3 # Fuck you
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mix2_xor_r0 0x54c2 # Fuck you
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mix2_cp_r0 0x6da4 # Fuck you
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mix2_jp_ne mix2_skip_inc # Fuck you
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mix2_inc_r3 # Fuck you
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mix2_skip_inc: # Fuck you
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# Fuck you
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mix2_switch3 # Fuck you
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mix3_ld_r1 mem_password + 1 # Fuck you
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mix3_dec_r1 # Fuck you
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mix3_ldrb_r0_r1 # Fuck you
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mix3_add_r0_r0 # Fuck you
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mix3_add_r0_r0 # Fuck you
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mix3_cp_r0 0x011c # Fuck you
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mix3_jp_ne mix3_skip_inc # Fuck you
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mix3_inc_r3 # Fuck you
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mix3_skip_inc: # Fuck you
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# Fuck you
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mix3_ld_r0 -1 # Fuck you
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mix_delay: # Fuck you
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mix3_dec_r0 # Fuck you
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mix3_cp_r0 0x0201 # Fuck you
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mix3_jp_ne mix_delay # Fuck you
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mix3_end # Fuck you
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# Fuck you
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# Fuck you
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# Fuck you
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ldrb_r0 mem_password + 5
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cp_r0 0
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jp_ne main_check
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inc_r3
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main_check:
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cp_r3 4
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jp_eq main_correct
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ld_r2 str_incorrect
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call PrintStr
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ret
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main_correct:
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ld_r2 str_correct
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call PrintStr
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ret
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str_prompt_password:
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.ascii "MIX/UNMIX opcodes - proof of concept\n"
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.ascii "Enter a password: \0"
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str_aborted:
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.ascii "Aborted.\n\0"
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str_incorrect:
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.ascii "Nope, it's wrong.\n\0"
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str_validating:
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.ascii "Validating...\n\0"
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str_correct:
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.ascii "Yes, it's correct! FOOLS2023_{*insert correct pass here*}\n\0"
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str_wrong_address:
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.ascii "Please load this program at address $2000.\n\0"
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# GqXf9
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mem_password:
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.ascii "________________________\0"
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