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Stubs onward to a second endless loop.

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This commit is contained in:
Thomas Harte 2021-07-18 20:55:33 -04:00
parent b2ae8e7a4a
commit 22dd8a8847
1 changed files with 21 additions and 5 deletions
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26
Machines/Amiga/Amiga.cpp
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@ -123,7 +123,24 @@ class ConcreteMachine:
assert(false); assert(false);
break; break;
// DMA. // Disk DMA.
case Write(0x020): case Write(0x022): case Write(0x024):
case Write(0x026):
LOG("TODO: disk DMA; " << PADHEX(4) << cycle.value16() << " to " << *cycle.address);
break;
// Refresh.
case Write(0x028):
LOG("TODO (maybe): refresh; " << PADHEX(4) << cycle.value16() << " to " << *cycle.address);
break;
// Serial port.
case Write(0x030):
case Write(0x032):
LOG("TODO: serial; " << PADHEX(4) << cycle.value16() << " to " << *cycle.address);
break;
// DMA management.
case Write(0x096): case Write(0x096):
ApplySetClear(dma_control_); ApplySetClear(dma_control_);
break; break;
@ -146,7 +163,6 @@ class ConcreteMachine:
LOG("TODO: Bitplane control; " << PADHEX(4) << cycle.value16() << " to " << *cycle.address); LOG("TODO: Bitplane control; " << PADHEX(4) << cycle.value16() << " to " << *cycle.address);
break; break;
case Write(0x108): case Write(0x108):
case Write(0x10a): case Write(0x10a):
LOG("TODO: Bitplane modulo; " << PADHEX(4) << cycle.value16() << " to " << *cycle.address); LOG("TODO: Bitplane modulo; " << PADHEX(4) << cycle.value16() << " to " << *cycle.address);
@ -206,7 +222,7 @@ class ConcreteMachine:
struct MemoryRegion { struct MemoryRegion {
uint8_t *contents = nullptr; uint8_t *contents = nullptr;
int read_write_mask = 0; unsigned int read_write_mask = 0;
} regions_[64]; // i.e. top six bits are used as an index. } regions_[64]; // i.e. top six bits are used as an index.
MemoryMap() { MemoryMap() {
@ -245,7 +261,7 @@ class ConcreteMachine:
private: private:
bool overlay_ = false; bool overlay_ = false;
void set_region(int start, int end, uint8_t *base, int read_write_mask) { void set_region(int start, int end, uint8_t *base, unsigned int read_write_mask) {
assert(!(start & ~0xfc'0000)); assert(!(start & ~0xfc'0000));
assert(!((end - (1 << 18)) & ~0xfc'0000)); assert(!((end - (1 << 18)) & ~0xfc'0000));
@ -288,7 +304,7 @@ class ConcreteMachine:
// b1: /LED [output] // b1: /LED [output]
// b0: OVL [output] // b0: OVL [output]
// TODO: provide an output for LED. LOG("TODO: LED -> " << (value & 2));
map_.set_overlay(value & 1); map_.set_overlay(value & 1);
} }
} }