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Simplifies use_fast_tape_ logic.

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This commit is contained in:
Thomas Harte 2019-03-02 14:54:26 -05:00
parent 9c8a2265b5
commit d5b4ddd9e5
1 changed files with 4 additions and 3 deletions
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7
Machines/MSX/MSX.cpp
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@ -395,6 +395,7 @@ class ConcreteMachine:
write_pointers_[c+1] = memory_slots_[value & 3].write_pointers[c+1];
value >>= 2;
}
set_use_fast_tape();
}
// MARK: Z80::BusHandler
@ -415,7 +416,7 @@ class ConcreteMachine:
switch(cycle.operation) {
case CPU::Z80::PartialMachineCycle::ReadOpcode:
if(use_fast_tape_) {
if(address == 0x1a63 && read_pointers_[0x1a63 >> 13] == &memory_slots_[0].source[0x1a63 >> 13]) {
if(address == 0x1a63) {
// TAPION
// Enable the tape motor.
@ -442,7 +443,7 @@ class ConcreteMachine:
break;
}
if(address == 0x1abc && read_pointers_[0x1a63 >> 13] == &memory_slots_[0].source[0x1a63 >> 13]) {
if(address == 0x1abc) {
// TAPIN
// Grab the current values of LOWLIM and WINWID.
@ -760,7 +761,7 @@ class ConcreteMachine:
bool allow_fast_tape_ = false;
bool use_fast_tape_ = false;
void set_use_fast_tape() {
use_fast_tape_ = !tape_player_is_sleeping_ && allow_fast_tape_ && tape_player_.has_tape();
use_fast_tape_ = !tape_player_is_sleeping_ && allow_fast_tape_ && tape_player_.has_tape() && !(paged_memory_&3);
}
i8255PortHandler i8255_port_handler_;