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Amongst ever more cruft, adds a couple of extra asserts.

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This commit is contained in:
Thomas Harte 2021-02-18 22:49:48 -05:00
parent 2e9065b34c
commit 60cfec6a65
1 changed files with 13 additions and 4 deletions
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17
Machines/Apple/AppleIIgs/AppleIIgs.cpp
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@ -239,25 +239,25 @@ class ConcreteMachine:
}
// MARK: BusHandler.
uint64_t total = 0;
forceinline Cycles perform_bus_operation(const CPU::WDC65816::BusOperation operation, const uint32_t address, uint8_t *const value) {
const auto &region = MemoryMapRegion(memory_, address);
static bool log = false;
static uint64_t total = 0;
bool is_1Mhz = false;
if(operation == CPU::WDC65816::BusOperation::ReadVector && !(memory_.get_shadow_register()&0x40)) {
// I think vector pulls always go to ROM?
// That's slightly implied in the documentation, and doing so makes GS/OS boot, so...
// TODO: but is my guess above re: not doing that if IOLC shadowing is disabled correct?
assert(address <= 0xffff && address >= 0xffe4);
*value = rom_[rom_.size() - 65536 + address];
} else if(region.flags & MemoryMap::Region::IsIO) {
// Ensure classic auxiliary and language card accesses have effect.
const bool is_read = isReadOperation(operation);
memory_.access(uint16_t(address), is_read);
// TODO: which of these are actually 2.8Mhz?
const auto address_suffix = address & 0xffff;
assert(address_suffix >= 0xc000 && address_suffix < 0xd000);
#define ReadWrite(x) (x) | (is_read * 0x10000)
#define Read(x) (x) | 0x10000
#define Write(x) (x)
@ -754,7 +754,6 @@ class ConcreteMachine:
}
break;
}
// log = true;
}
#undef ReadWrite
#undef Read
@ -810,11 +809,21 @@ class ConcreteMachine:
// printf("%06x %s %02x%s\n", address, isReadOperation(operation) ? "->" : "<-", *value,
// operation == CPU::WDC65816::BusOperation::ReadOpcode ? " [*]" : "");
// }
// log |= (total == 611808545);
// log |= (total == 663201455);
if(operation == CPU::WDC65816::BusOperation::ReadOpcode) {
// log |= address == 0xfc01ba;
// log |= address == 0xfc10fd;
// log &= address != 0xff4a73;
// log = (address >= 0xff6cdc) && (address < 0xff6d43);
// log = (address >= 0x00d300) && (address < 0x00d600);
}
// log &= !((operation == CPU::WDC65816::BusOperation::ReadOpcode) && ((address < 0xff6a2c) || (address >= 0xff6a9c)));
// if(address == 0x00bca9 && operation == CPU::WDC65816::BusOperation::Write && !*value) {
// printf("%06x <- %02x [%d]\n", address, *value, static_cast<unsigned long long>(total));
// }
if(log) {
printf("%06x %s %02x [%s]", address, isReadOperation(operation) ? "->" : "<-", *value, (is_1Mhz || (speed_register_ & motor_flags_)) ? "1.0" : "2.8");
if(operation == CPU::WDC65816::BusOperation::ReadOpcode) {