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NES: Add cart status for Sunsoft FME-7 #180

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NES: Add cart status for Sunsoft FME-7 #180

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e6fa5f9
NES: Add cart status for Sunsoft FME-7
HeeminTV Jun 19, 2026
6ca2887
NES: Rename some elements in cart status viewer of Sunsoft FME-7 and …
HeeminTV Jun 20, 2026
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55 changes: 54 additions & 1 deletion Core/NES/Mappers/Sunsoft/SunsoftFme7.h
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ class SunsoftFme7 : public BaseMapper
bool _irqEnabled = false;
bool _irqCounterEnabled = false;
uint16_t _irqCounter = 0;
uint8_t _regs[16] = {}; // only used for status display

protected:
uint16_t GetPrgPageSize() override { return 0x2000; }
Expand All @@ -27,7 +28,7 @@ class SunsoftFme7 : public BaseMapper
{
_audio.reset(new Sunsoft5bAudio(_console));

_command = 0;
_command = GetPowerOnByte() & 0xF;
_workRamValue = 0;
_irqEnabled = false;
_irqCounterEnabled = false;
Expand All @@ -47,6 +48,7 @@ class SunsoftFme7 : public BaseMapper
SV(_irqEnabled);
SV(_irqCounterEnabled);
SV(_irqCounter);
SVArray(_regs, 16);
if(!s.IsSaving()) {
UpdateWorkRam();
}
Expand Down Expand Up @@ -85,6 +87,7 @@ class SunsoftFme7 : public BaseMapper
_command = value & 0x0F;
break;
case 0xA000:
_regs[_command] = value;
switch(_command) {
case 0:
case 1:
Expand Down Expand Up @@ -140,4 +143,54 @@ class SunsoftFme7 : public BaseMapper
break;
}
}

vector<MapperStateEntry> GetMapperStateEntries() override
{
vector<MapperStateEntry> entries;
string mirroringType;
uint8_t mirValue = 0;
switch(GetMirroringType()) {
case MirroringType::Horizontal:
mirroringType = "Horizontal";
mirValue = 3;
break;
case MirroringType::Vertical:
mirroringType = "Vertical";
mirValue = 2;
break;
case MirroringType::ScreenBOnly:
mirroringType = "Screen B";
mirValue = 1;
break;
case MirroringType::ScreenAOnly:
mirroringType = "Screen A";
mirValue = 0;
break;
}
entries.push_back(MapperStateEntry("$8000", "Current Register", _command, MapperStateValueType::Number8));

entries.push_back(MapperStateEntry("", "CHR Bank 0", _regs[0], MapperStateValueType::Number8));
entries.push_back(MapperStateEntry("", "CHR Bank 1", _regs[1], MapperStateValueType::Number8));
entries.push_back(MapperStateEntry("", "CHR Bank 2", _regs[2], MapperStateValueType::Number8));
entries.push_back(MapperStateEntry("", "CHR Bank 3", _regs[3], MapperStateValueType::Number8));
entries.push_back(MapperStateEntry("", "CHR Bank 4", _regs[4], MapperStateValueType::Number8));
entries.push_back(MapperStateEntry("", "CHR Bank 5", _regs[5], MapperStateValueType::Number8));
entries.push_back(MapperStateEntry("", "CHR Bank 6", _regs[6], MapperStateValueType::Number8));
entries.push_back(MapperStateEntry("", "CHR Bank 7", _regs[7], MapperStateValueType::Number8));

entries.push_back(MapperStateEntry("", "PRG Bank 0", _regs[8] & 0x3F, MapperStateValueType::Number8));
entries.push_back(MapperStateEntry("", "PRG Bank 0 is RAM", (_regs[8] & 0x40) == 0x40, MapperStateValueType::Bool));
entries.push_back(MapperStateEntry("", "PRG Bank 1", _regs[9] & 0x3F, MapperStateValueType::Number8));
entries.push_back(MapperStateEntry("", "PRG Bank 2", _regs[10] & 0x3F, MapperStateValueType::Number8));
entries.push_back(MapperStateEntry("", "PRG Bank 3", _regs[11] & 0x3F, MapperStateValueType::Number8));

entries.push_back(MapperStateEntry("", "RAM Enabled", (_regs[8] & 0x80) == 0x80, MapperStateValueType::Bool));
entries.push_back(MapperStateEntry("", "Mirroring", mirroringType, mirValue));

entries.push_back(MapperStateEntry("", "IRQ Enabled", _irqEnabled, MapperStateValueType::Bool));
entries.push_back(MapperStateEntry("", "IRQ Count Enabled", _irqCounterEnabled, MapperStateValueType::Bool));

entries.push_back(MapperStateEntry("", "IRQ Counter Value", _irqCounter, MapperStateValueType::Number16));
return entries;
}
};
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