diff options
Diffstat (limited to 'src/devices/cpu/m6502/ost2xxx.lst')
-rw-r--r-- | src/devices/cpu/m6502/ost2xxx.lst | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/src/devices/cpu/m6502/ost2xxx.lst b/src/devices/cpu/m6502/ost2xxx.lst deleted file mode 100644 index 4468fe14476..00000000000 --- a/src/devices/cpu/m6502/ost2xxx.lst +++ /dev/null @@ -1,58 +0,0 @@ -# license:BSD-3-Clause -# copyright-holders:Olivier Galibert -# m65c02 opcodes, with a twist - -brk_st_imp - if(irq_taken || nmi_pending) { - read_pc_noinc(); - } else { - read_pc(); - } - write(SP, PC >> 8); - dec_SP(); - write(SP, PC); - dec_SP(); - write(SP, irq_taken || nmi_pending ? P & ~F_B : P); - dec_SP(); - set_irq_service(true); - if(irq_taken && nmi_pending) { // NMI is not present on actual parts - PC = read_vector(0x7ffa); - PC = set_h(PC, read_vector(0x7ffb)); - nmi_pending = false; - } else if(irq_taken) { - TMP = acknowledge_irq(); - PC = read_vector(0x7ff8 - (TMP << 1)); - PC = set_h(PC, read_vector(0x7ff9 - (TMP << 1))); - } else { - PC = read_vector(0x7ffe); - PC = set_h(PC, read_vector(0x7fff)); - } - irq_taken = false; - P = (P | F_I) & ~F_D; // Do *not* move after the prefetch - prefetch(); - inst_state = -1; - -rti_st_imp - read_pc_noinc(); - read(SP); - inc_SP(); - P = read(SP) | (F_B|F_E); - inc_SP(); - PC = read(SP); - inc_SP(); - PC = set_h(PC, read(SP)); - set_irq_service(false); - prefetch(); - -reset_st - read_arg(0xffff); - read_pc_noinc(); - read(SP); dec_SP(); - read(SP); dec_SP(); - read(SP); dec_SP(); - P = (P | F_I) & ~F_D; - set_irq_service(false); - PC = read_vector(0x7ffc); - PC = set_h(PC, read_vector(0x7ffd)); - prefetch(); - inst_state = -1; |