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Start configurating GPU

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This commit is contained in:
jaby
2022-10-02 17:32:23 +02:00
parent e126fdaceb
commit 733921f4ce
7 changed files with 58 additions and 18 deletions
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29
include/PSX/System/IOPorts/GPU_IO.hpp
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@@ -11,22 +11,27 @@ namespace GPU {
B_add_F_Quarter = 3,
};
enum struct DisplayAreaColorDepth {
$15bit = 0,
$24bit = 1,
};
enum struct TexturePageColor {
_4bit = 0,
_8bit = 1,
_15bit = 2,
$4bit = 0,
$8bit = 1,
$15bit = 2,
};
enum struct HorizontalResolution {
_256 = 0,
_320 = 1,
_512 = 2,
_640 = 3,
$256 = 0,
$320 = 1,
$512 = 2,
$640 = 3,
};
enum struct VerticalResolution {
_240 = 0,
_480 = 1
$240 = 0,
$480 = 1
};
enum struct DMADirection {
@@ -84,6 +89,10 @@ namespace GPU {
static constexpr GP1 DMADirection(DMADirection dir) {
return ComplexBitMap{construct_cmd(0x04, static_cast<uint32_t>(dir))};
}
static constexpr GP1 DisplayMode(uint32_t mode) {
return ComplexBitMap{construct_cmd(0x08, mode)};
}
};
}
@@ -97,7 +106,7 @@ namespace GPU {
static constexpr auto InterruptRequest = Bit<uint32_t>(24);
static constexpr auto DisplayDisabled = Bit<uint32_t>(23);
static constexpr auto VerticalInterlaceOn = Bit<uint32_t>(22);
static constexpr auto DisplayAreaColorDepth24bit = Bit<uint32_t>(21);
static constexpr auto DisplayAreaColorDepth = BitRange<GPU::DisplayAreaColorDepth>::from_to(21, 21);
static constexpr auto VideoModePal = Bit<uint32_t>(20);
static constexpr auto VerticalResolutionValue = BitRange<VerticalResolution>::from_to(19, 19);
static constexpr auto HorizontalResolutionValue = BitRange<HorizontalResolution>::from_to(17, 18);