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SBC flag fix

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folkert van heusden 2024-04-04 22:29:16 +02:00
parent 49e77cfdcb
commit 96d4946194
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
1 changed files with 2 additions and 7 deletions
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9
cpu.cpp
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@ -1048,11 +1048,7 @@ bool cpu::single_operand_instructions(const uint16_t instr)
setPSW_n(SIGN(v, word_mode)); setPSW_n(SIGN(v, word_mode));
setPSW_z(IS_0(v, word_mode)); setPSW_z(IS_0(v, word_mode));
setPSW_v((word_mode == wm_byte ? (vo & 0xff) == 0x80 : vo == 0x8000) && org_c); setPSW_v((word_mode == wm_byte ? (vo & 0xff) == 0x80 : vo == 0x8000) && org_c);
setPSW_c(IS_0(vo, word_mode) && org_c);
if (IS_0(vo, word_mode) && org_c)
setPSW_c(true);
else
setPSW_c(false);
setRegister(dst_reg, v); setRegister(dst_reg, v);
} }
@ -1069,8 +1065,7 @@ bool cpu::single_operand_instructions(const uint16_t instr)
if (set_flags) { if (set_flags) {
setPSW_n(SIGN(v, word_mode)); setPSW_n(SIGN(v, word_mode));
setPSW_z(IS_0(v, word_mode)); setPSW_z(IS_0(v, word_mode));
setPSW_v(word_mode == wm_byte ? (vo & 0xff) == 0x80 : vo == 0x8000); setPSW_v((word_mode == wm_byte ? (vo & 0xff) == 0x80 : vo == 0x8000) && org_c);
setPSW_c(IS_0(vo, word_mode) && org_c); setPSW_c(IS_0(vo, word_mode) && org_c);
} }
} }