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Eliminate repetitive magic constants.

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This commit is contained in:
Thomas Harte 2022-09-02 15:54:16 -04:00
parent 8dc1aca67c
commit cbfd8e18e8
1 changed files with 11 additions and 7 deletions
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18
Machines/Apple/AppleII/AppleII.cpp
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@ -39,6 +39,13 @@
#include <array>
#include <memory>
namespace {
constexpr int DiskIISlot = 6; // Apple recommended slot 6 for the (first) Disk II.
constexpr int SCSISlot = 7; // Install the SCSI card in slot 7, to one-up any connected Disk II.
}
namespace Apple {
namespace II {
@ -149,11 +156,11 @@ template <Analyser::Static::AppleII::Target::Model model> class ConcreteMachine:
}
Apple::II::DiskIICard *diskii_card() {
return dynamic_cast<Apple::II::DiskIICard *>(cards_[5].get());
return dynamic_cast<Apple::II::DiskIICard *>(cards_[DiskIISlot - 1].get());
}
Apple::II::SCSICard *scsi_card() {
return dynamic_cast<Apple::II::SCSICard *>(cards_[6].get());
return dynamic_cast<Apple::II::SCSICard *>(cards_[SCSISlot - 1].get());
}
// MARK: - Memory Map.
@ -488,16 +495,13 @@ template <Analyser::Static::AppleII::Target::Model model> class ConcreteMachine:
}
if(has_disk_controller) {
// Apple recommended slot 6 for the (first) Disk II.
install_card(6, new Apple::II::DiskIICard(roms, is_sixteen_sector));
install_card(DiskIISlot, new Apple::II::DiskIICard(roms, is_sixteen_sector));
}
if(has_scsi_card) {
// Install the SCSI card in slot 7, to one-up any connected Disk II.
//
// Rounding the clock rate slightly shouldn't matter, but:
// TODO: be [slightly] more honest about clock rate.
install_card(7, new Apple::II::SCSICard(roms, int(master_clock / 14.0f)));
install_card(SCSISlot, new Apple::II::SCSICard(roms, int(master_clock / 14.0f)));
}
rom_ = std::move(roms.find(system)->second);