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-rw-r--r--lib/nes/cartridge.cc6
-rw-r--r--lib/nes/mapper.cc22
-rw-r--r--lib/nes/ppu.cc40
3 files changed, 34 insertions, 34 deletions
diff --git a/lib/nes/cartridge.cc b/lib/nes/cartridge.cc
index 861dc13..d4ade23 100644
--- a/lib/nes/cartridge.cc
+++ b/lib/nes/cartridge.cc
@@ -25,7 +25,7 @@ namespace nes
auto const chr_rom_banks = bytes[5];
auto const control_1 = bytes[6];
auto const control_2 = bytes[7];
- auto const ram_banks = (bytes[8] != 0) ? bytes[8] : 1;
+ auto const ram_banks = (bytes[8] != 0) ? bytes[8] : 1u;
auto const has_trainer = (control_1 & 0b00000100) != 0;
res.mapper_number_ =
@@ -62,8 +62,8 @@ namespace nes
stream.seekg(0, std::ios::end);
auto const length = stream.tellg();
stream.seekg(0, std::ios::beg);
- auto data = std::vector<std::uint8_t>(length);
- stream.read(reinterpret_cast<char*>(data.data()), data.size());
+ auto data = std::vector<std::uint8_t>(static_cast<std::size_t>(length));
+ stream.read(reinterpret_cast<char*>(data.data()), length);
return from_data(data.data(), data.size());
}
diff --git a/lib/nes/mapper.cc b/lib/nes/mapper.cc
index 9346be7..ad9ec40 100644
--- a/lib/nes/mapper.cc
+++ b/lib/nes/mapper.cc
@@ -47,14 +47,14 @@ namespace nes
}
if (addr <= address{ 0xBFFF })
{
- auto const rel = addr.get_absolute() - 0x8000;
+ auto const rel = addr.get_absolute() - 0x8000u;
if (rel >= cartridge_.get_prg_rom_length()) { return 0x0; }
return cartridge_.get_prg_rom()[rel];
}
if (addr <= address{ 0xFFFF })
{
- auto rel = addr.get_absolute() - 0xC000;
+ auto rel = addr.get_absolute() - 0xC000u;
if (cartridge_.get_prg_rom_length() > 0x4000) { rel += 0x4000; }
if (rel >= cartridge_.get_prg_rom_length()) { return 0x0; }
@@ -109,23 +109,23 @@ namespace nes
auto mapper::nrom_mirrored_vram_address(address const addr) const -> unsigned
{
- auto const rel = addr.get_absolute() % 0x1000;
+ auto const rel = addr.get_absolute() % 0x1000u;
switch (cartridge_.get_name_table_arrangement())
{
case name_table_arrangement::horizontal:
// $2000 = $2400, $2800 = $2c00
- if (rel <= 0x3FF) { return 0x000 + (rel % 0x400); }
- if (rel <= 0x7FF) { return 0x000 + (rel % 0x400); }
- if (rel <= 0xBFF) { return 0x400 + (rel % 0x400); }
- if (rel <= 0xFFF) { return 0x400 + (rel % 0x400); }
+ if (rel <= 0x3FF) { return 0x000u + (rel % 0x400u); }
+ if (rel <= 0x7FF) { return 0x000u + (rel % 0x400u); }
+ if (rel <= 0xBFF) { return 0x400u + (rel % 0x400u); }
+ if (rel <= 0xFFF) { return 0x400u + (rel % 0x400u); }
break;
case name_table_arrangement::vertical:
// $2000 = $2800, $2400 = $2c00
- if (rel <= 0x3FF) { return 0x000 + (rel % 0x400); }
- if (rel <= 0x7FF) { return 0x400 + (rel % 0x400); }
- if (rel <= 0xBFF) { return 0x000 + (rel % 0x400); }
- if (rel <= 0xFFF) { return 0x400 + (rel % 0x400); }
+ if (rel <= 0x3FF) { return 0x000u + (rel % 0x400u); }
+ if (rel <= 0x7FF) { return 0x400u + (rel % 0x400u); }
+ if (rel <= 0xBFF) { return 0x000u + (rel % 0x400u); }
+ if (rel <= 0xFFF) { return 0x400u + (rel % 0x400u); }
break;
}
diff --git a/lib/nes/ppu.cc b/lib/nes/ppu.cc
index fd03eb2..23a41fb 100644
--- a/lib/nes/ppu.cc
+++ b/lib/nes/ppu.cc
@@ -238,8 +238,8 @@ namespace nes
auto data = std::uint32_t{ 0 };
for (auto i = unsigned{ 0 }; i < 8; ++i)
{
- auto const p1 = (low_tile_byte_ & 0x80) >> 7;
- auto const p2 = (high_tile_byte_ & 0x80) >> 6;
+ auto const p1 = (low_tile_byte_ & 0x80u) >> 7;
+ auto const p2 = (high_tile_byte_ & 0x80u) >> 6;
low_tile_byte_ <<= 1;
high_tile_byte_ <<= 1;
data <<= 4;
@@ -326,11 +326,11 @@ namespace nes
auto const a = oam_[i * 4 + 2];
auto const x = oam_[i * 4 + 3];
auto const row = static_cast<int>(scanline_) - static_cast<int>(y);
- if (row < 0 || row >= height) { continue; }
+ if (row < 0 || static_cast<unsigned>(row) >= height) { continue; }
if (sprite_count_ < 8)
{
- sprites_[sprite_count_].pattern = fetch_sprite_pattern(i, row);
+ sprites_[sprite_count_].pattern = fetch_sprite_pattern(i, static_cast<unsigned>(row));
sprites_[sprite_count_].position = x;
// TODO: Check
// sprites_[sprite_count_].is_in_front = a & 0b00100000;
@@ -358,24 +358,24 @@ namespace nes
case sprite_size::_8x8:
{
auto const table = control_.sprite_pattern_table;
- addr = address{ static_cast<std::uint16_t>(0x1000 * table + 16 * tile + row) };
+ addr = address{ static_cast<std::uint16_t>(0x1000u * table + 16u * tile + row) };
break;
}
case sprite_size::_8x16:
{
- auto const table = tile & 1;
+ auto const table = tile & 1u;
tile &= 0xFE;
if (row > 7)
{
tile += 1;
row -= 8;
}
- addr = address{ static_cast<std::uint16_t>(0x1000 * table + 16 * tile + row) };
+ addr = address{ static_cast<std::uint16_t>(0x1000u * table + 16u * tile + row) };
break;
}
}
- auto const a = (attributes & 3) << 2;
+ auto const a = (attributes & 3u) << 2;
auto low_tile_byte = read8(addr);
auto high_tile_byte = read8(addr + 8);
auto data = std::uint32_t{ 0 };
@@ -385,15 +385,15 @@ namespace nes
std::uint8_t p1, p2;
if (flip_horizontal)
{
- p1 = (low_tile_byte & 1) << 0;
- p2 = (high_tile_byte & 1) << 1;
+ p1 = static_cast<std::uint8_t>((low_tile_byte & 1) << 0);
+ p2 = static_cast<std::uint8_t>((high_tile_byte & 1) << 1);
low_tile_byte >>= 1;
high_tile_byte >>= 1;
}
else
{
- p1 = (low_tile_byte & 0x80) >> 7;
- p2 = (high_tile_byte & 0x80) >> 6;
+ p1 = static_cast<std::uint8_t>((low_tile_byte & 0x80) >> 7);
+ p2 = static_cast<std::uint8_t>((high_tile_byte & 0x80) >> 6);
low_tile_byte <<= 1;
high_tile_byte <<= 1;
}
@@ -458,7 +458,7 @@ namespace nes
auto ppu::read_ppustatus() -> std::uint8_t
{
auto const base = latch_ & ~status_mask;
- auto const res = base | (status_.value & status_mask);
+ auto const res = static_cast<std::uint8_t>(base | (status_.value & status_mask));
NES_DEBUG_LOG(ppu, "PPUSTATUS -> {:#2x}", res);
status_.vblank = false;
@@ -496,7 +496,7 @@ namespace nes
ppudata_read_buffer_ = read8(addr - 0x1000);
}
- NES_DEBUG_LOG(ppu, "PPUDATA -> {:#2x}", res);
+ NES_DEBUG_LOG(ppu, "PPUDATA -> {:#2x} (address: {:#4x})", res, internal_.v);
increment_vram();
return res;
}
@@ -513,7 +513,7 @@ namespace nes
{
NES_DEBUG_LOG(ppu, "PPUCTRL <- {:#2x}", value);
control_.value = value;
- internal_.t = (internal_.t & 0xF3FF) | ((value & 0x03) << 10);
+ internal_.t = static_cast<std::uint16_t>((internal_.t & 0xF3FF) | ((value & 0x03) << 10));
nmi_change();
}
}
@@ -527,14 +527,14 @@ namespace nes
if (!internal_.w)
{
// First write -> x value.
- internal_.t = (internal_.t & 0b1111111111100000) | (value >> 3);
+ internal_.t = static_cast<std::uint16_t>((internal_.t & 0b1111111111100000) | (value >> 3));
internal_.x = value & 0b00000111;
}
else
{
// Second write -> y value.
- internal_.t = (internal_.t & 0b1000111111111111) | ((value & 0b00000111) << 12);
- internal_.t = (internal_.t & 0b1111110000011111) | ((value & 0b11111000) << 2);
+ internal_.t = static_cast<std::uint16_t>((internal_.t & 0b1000111111111111) | ((value & 0b00000111) << 12));
+ internal_.t = static_cast<std::uint16_t>((internal_.t & 0b1111110000011111) | ((value & 0b11111000) << 2));
}
internal_.w = !internal_.w;
@@ -560,12 +560,12 @@ namespace nes
if (!internal_.w)
{
// First write.
- internal_.t = (internal_.t & 0b1000000011111111) | ((value & 0b00111111) << 8);
+ internal_.t = static_cast<std::uint16_t>((internal_.t & 0b1000000011111111) | ((value & 0b00111111) << 8));
}
else
{
// Second write.
- internal_.t = (internal_.t & 0b1111111100000000) | ((value & 0b11111111) << 0);
+ internal_.t = static_cast<std::uint16_t>((internal_.t & 0b1111111100000000) | ((value & 0b11111111) << 0));
internal_.v = internal_.t;
}
generated by cgit v1.3.1 (git 2.54.0) at 2026-11-10 16:11:34 +0000