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add stack access to 65c02 reset too, add dummy reads before reset (nw)

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This commit is contained in:
hap 2019-09-17 16:35:24 +02:00
parent 9b79444157
commit c04d4758c6
2 changed files with 8 additions and 0 deletions
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2
src/devices/cpu/m6502/om6502.lst
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@ -1218,6 +1218,8 @@ tya_imp
# exceptions
reset
read_pc_noinc();
read_pc_noinc();
read(SP); dec_SP();
read(SP); dec_SP();
read(SP); dec_SP();

6
src/devices/cpu/m6502/om65c02.lst
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@ -765,6 +765,12 @@ wai_imp
# exceptions
reset_c
read_pc_noinc();
read(0xffff);
read_pc_noinc();
read(SP); dec_SP();
read(SP); dec_SP();
read(SP); dec_SP();
P = (P | F_I) & ~F_D;
PC = read_arg(0xfffc);
PC = set_h(PC, read_arg(0xfffd));