311 lines
16 KiB
Rust
311 lines
16 KiB
Rust
use super::vga_registers::{
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AttributeControllerIndex, CrtcControllerIndex, GraphicsControllerIndex, SequencerIndex,
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};
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/// Represents a set of vga registers for a given mode.
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#[derive(Debug)]
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pub struct VgaConfiguration {
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pub miscellaneous_output: u8,
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pub sequencer_registers: &'static [(SequencerIndex, u8)],
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pub crtc_controller_registers: &'static [(CrtcControllerIndex, u8)],
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pub graphics_controller_registers: &'static [(GraphicsControllerIndex, u8)],
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pub attribute_controller_registers: &'static [(AttributeControllerIndex, u8)],
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}
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/// Register values for Vga mode 40x25 Text.
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pub const MODE_40X25_CONFIGURATION: VgaConfiguration = VgaConfiguration {
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// Configuration values acquired from https://www.singlix.com/trdos/archive/vga/Graphics%20in%20pmode.pdf
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miscellaneous_output: 0x67,
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sequencer_registers: &[
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(SequencerIndex::SequencerReset, 0x03),
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(SequencerIndex::ClockingMode, 0x08),
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(SequencerIndex::PlaneMask, 0x03),
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(SequencerIndex::CharacterFont, 0x00),
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(SequencerIndex::MemoryMode, 0x02),
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],
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crtc_controller_registers: &[
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(CrtcControllerIndex::HorizontalTotal, 0x2D),
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(CrtcControllerIndex::HorizontalDisplayEnableEnd, 0x27),
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(CrtcControllerIndex::HorizontalBlankingStart, 0x28),
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(CrtcControllerIndex::HorizontalBlankingEnd, 0x90),
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(CrtcControllerIndex::HorizontalSyncStart, 0x2B),
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(CrtcControllerIndex::HorizontalSyncEnd, 0xA0),
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(CrtcControllerIndex::VeritcalTotal, 0xBF),
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(CrtcControllerIndex::Overflow, 0x1F),
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(CrtcControllerIndex::PresetRowScan, 0x00),
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(CrtcControllerIndex::MaximumScanLine, 0x4F),
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(CrtcControllerIndex::TextCursorStart, 0x0A),
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(CrtcControllerIndex::TextCursorEnd, 0x20),
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(CrtcControllerIndex::StartAddressHigh, 0x00),
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(CrtcControllerIndex::StartAddressLow, 0x00),
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(CrtcControllerIndex::TextCursorLocationHigh, 0x00),
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(CrtcControllerIndex::TextCursorLocationLow, 0xA0),
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(CrtcControllerIndex::VerticalSyncStart, 0x9C),
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(CrtcControllerIndex::VerticalSyncEnd, 0x8E),
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(CrtcControllerIndex::VerticalDisplayEnableEnd, 0x8F),
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(CrtcControllerIndex::Offset, 0x14),
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(CrtcControllerIndex::UnderlineLocationRegister, 0x1F),
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(CrtcControllerIndex::VerticalBlankingStart, 0x96),
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(CrtcControllerIndex::VerticalBlankingEnd, 0xB9),
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(CrtcControllerIndex::ModeControl, 0xA3),
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(CrtcControllerIndex::LineCompare, 0xFF),
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],
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graphics_controller_registers: &[
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(GraphicsControllerIndex::SetReset, 0x00),
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(GraphicsControllerIndex::EnableSetReset, 0x00),
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(GraphicsControllerIndex::ColorCompare, 0x00),
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(GraphicsControllerIndex::DataRotate, 0x00),
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(GraphicsControllerIndex::ReadPlaneSelect, 0x00),
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(GraphicsControllerIndex::GraphicsMode, 0x10),
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(GraphicsControllerIndex::Miscellaneous, 0x0E),
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(GraphicsControllerIndex::ColorDontCare, 0x00),
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(GraphicsControllerIndex::BitMask, 0xFF),
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],
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attribute_controller_registers: &[
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(AttributeControllerIndex::PaletteRegister0, 0x00),
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(AttributeControllerIndex::PaletteRegister1, 0x01),
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(AttributeControllerIndex::PaletteRegister2, 0x02),
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(AttributeControllerIndex::PaletteRegister3, 0x03),
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(AttributeControllerIndex::PaletteRegister4, 0x04),
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(AttributeControllerIndex::PaletteRegister5, 0x05),
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(AttributeControllerIndex::PaletteRegister6, 0x14),
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(AttributeControllerIndex::PaletteRegister7, 0x07),
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(AttributeControllerIndex::PaletteRegister8, 0x38),
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(AttributeControllerIndex::PaletteRegister9, 0x39),
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(AttributeControllerIndex::PaletteRegisterA, 0x3A),
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(AttributeControllerIndex::PaletteRegisterB, 0x3B),
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(AttributeControllerIndex::PaletteRegisterC, 0x3C),
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(AttributeControllerIndex::PaletteRegisterD, 0x3D),
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(AttributeControllerIndex::PaletteRegisterE, 0x3E),
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(AttributeControllerIndex::PaletteRegisterF, 0x3F),
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(AttributeControllerIndex::ModeControl, 0x0C),
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(AttributeControllerIndex::OverscanColor, 0x00),
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(AttributeControllerIndex::MemoryPlaneEnable, 0x0F),
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(AttributeControllerIndex::HorizontalPixelPanning, 0x08),
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(AttributeControllerIndex::ColorSelect, 0x00),
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],
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};
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/// Register values for Vga mode 40x50 Text.
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pub const MODE_40X50_CONFIGURATION: VgaConfiguration = VgaConfiguration {
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// Configuration values acquired from https://www.singlix.com/trdos/archive/vga/Graphics%20in%20pmode.pdf
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miscellaneous_output: 0x67,
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sequencer_registers: &[
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(SequencerIndex::SequencerReset, 0x03),
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(SequencerIndex::ClockingMode, 0x08),
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(SequencerIndex::PlaneMask, 0x03),
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(SequencerIndex::CharacterFont, 0x00),
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(SequencerIndex::MemoryMode, 0x02),
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],
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crtc_controller_registers: &[
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(CrtcControllerIndex::HorizontalTotal, 0x2D),
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(CrtcControllerIndex::HorizontalDisplayEnableEnd, 0x27),
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(CrtcControllerIndex::HorizontalBlankingStart, 0x28),
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(CrtcControllerIndex::HorizontalBlankingEnd, 0x90),
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(CrtcControllerIndex::HorizontalSyncStart, 0x2B),
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(CrtcControllerIndex::HorizontalSyncEnd, 0xA0),
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(CrtcControllerIndex::VeritcalTotal, 0xBF),
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(CrtcControllerIndex::Overflow, 0x1F),
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(CrtcControllerIndex::PresetRowScan, 0x00),
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(CrtcControllerIndex::MaximumScanLine, 0x47),
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(CrtcControllerIndex::TextCursorStart, 0x0A),
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(CrtcControllerIndex::TextCursorEnd, 0x20),
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(CrtcControllerIndex::StartAddressHigh, 0x00),
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(CrtcControllerIndex::StartAddressLow, 0x00),
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(CrtcControllerIndex::TextCursorLocationHigh, 0x04),
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(CrtcControllerIndex::TextCursorLocationLow, 0x60),
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(CrtcControllerIndex::VerticalSyncStart, 0x9C),
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(CrtcControllerIndex::VerticalSyncEnd, 0x8E),
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(CrtcControllerIndex::VerticalDisplayEnableEnd, 0x8F),
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(CrtcControllerIndex::Offset, 0x14),
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(CrtcControllerIndex::UnderlineLocationRegister, 0x1F),
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(CrtcControllerIndex::VerticalBlankingStart, 0x96),
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(CrtcControllerIndex::VerticalBlankingEnd, 0xB9),
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(CrtcControllerIndex::ModeControl, 0xA3),
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(CrtcControllerIndex::LineCompare, 0xFF),
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],
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graphics_controller_registers: &[
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(GraphicsControllerIndex::SetReset, 0x00),
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(GraphicsControllerIndex::EnableSetReset, 0x00),
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(GraphicsControllerIndex::ColorCompare, 0x00),
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(GraphicsControllerIndex::DataRotate, 0x00),
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(GraphicsControllerIndex::ReadPlaneSelect, 0x00),
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(GraphicsControllerIndex::GraphicsMode, 0x10),
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(GraphicsControllerIndex::Miscellaneous, 0x0E),
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(GraphicsControllerIndex::ColorDontCare, 0x00),
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(GraphicsControllerIndex::BitMask, 0xFF),
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],
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attribute_controller_registers: &[
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(AttributeControllerIndex::PaletteRegister0, 0x00),
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(AttributeControllerIndex::PaletteRegister1, 0x01),
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(AttributeControllerIndex::PaletteRegister2, 0x02),
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(AttributeControllerIndex::PaletteRegister3, 0x03),
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(AttributeControllerIndex::PaletteRegister4, 0x04),
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(AttributeControllerIndex::PaletteRegister5, 0x05),
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(AttributeControllerIndex::PaletteRegister6, 0x14),
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(AttributeControllerIndex::PaletteRegister7, 0x07),
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(AttributeControllerIndex::PaletteRegister8, 0x38),
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(AttributeControllerIndex::PaletteRegister9, 0x39),
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(AttributeControllerIndex::PaletteRegisterA, 0x3A),
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(AttributeControllerIndex::PaletteRegisterB, 0x3B),
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(AttributeControllerIndex::PaletteRegisterC, 0x3C),
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(AttributeControllerIndex::PaletteRegisterD, 0x3D),
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(AttributeControllerIndex::PaletteRegisterE, 0x3E),
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(AttributeControllerIndex::PaletteRegisterF, 0x3F),
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(AttributeControllerIndex::ModeControl, 0x0C),
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(AttributeControllerIndex::OverscanColor, 0x00),
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(AttributeControllerIndex::MemoryPlaneEnable, 0x0F),
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(AttributeControllerIndex::HorizontalPixelPanning, 0x08),
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(AttributeControllerIndex::ColorSelect, 0x00),
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],
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};
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/// Register values for Vga mode 80x25 Text.
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pub const MODE_80X25_CONFIGURATION: VgaConfiguration = VgaConfiguration {
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// Configuration values acquired from https://www.singlix.com/trdos/archive/vga/Graphics%20in%20pmode.pdf
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miscellaneous_output: 0x67,
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sequencer_registers: &[
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(SequencerIndex::SequencerReset, 0x03),
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(SequencerIndex::ClockingMode, 0x00),
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(SequencerIndex::PlaneMask, 0x03),
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(SequencerIndex::CharacterFont, 0x00),
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(SequencerIndex::MemoryMode, 0x02),
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],
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crtc_controller_registers: &[
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(CrtcControllerIndex::HorizontalTotal, 0x5F),
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(CrtcControllerIndex::HorizontalDisplayEnableEnd, 0x4F),
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(CrtcControllerIndex::HorizontalBlankingStart, 0x50),
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(CrtcControllerIndex::HorizontalBlankingEnd, 0x82),
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(CrtcControllerIndex::HorizontalSyncStart, 0x55),
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(CrtcControllerIndex::HorizontalSyncEnd, 0x81),
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(CrtcControllerIndex::VeritcalTotal, 0xBF),
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(CrtcControllerIndex::Overflow, 0x1F),
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(CrtcControllerIndex::PresetRowScan, 0x00),
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(CrtcControllerIndex::MaximumScanLine, 0x4F),
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(CrtcControllerIndex::TextCursorStart, 0x0D),
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(CrtcControllerIndex::TextCursorEnd, 0x0E),
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(CrtcControllerIndex::StartAddressHigh, 0x00),
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(CrtcControllerIndex::StartAddressLow, 0x00),
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(CrtcControllerIndex::TextCursorLocationHigh, 0x00),
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(CrtcControllerIndex::TextCursorLocationLow, 0x50),
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(CrtcControllerIndex::VerticalSyncStart, 0x9C),
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(CrtcControllerIndex::VerticalSyncEnd, 0x0E),
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(CrtcControllerIndex::VerticalDisplayEnableEnd, 0x8F),
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(CrtcControllerIndex::Offset, 0x28),
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(CrtcControllerIndex::UnderlineLocationRegister, 0x1F),
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(CrtcControllerIndex::VerticalBlankingStart, 0x96),
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(CrtcControllerIndex::VerticalBlankingEnd, 0xB9),
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(CrtcControllerIndex::ModeControl, 0xA3),
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(CrtcControllerIndex::LineCompare, 0xFF),
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],
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graphics_controller_registers: &[
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(GraphicsControllerIndex::SetReset, 0x00),
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(GraphicsControllerIndex::EnableSetReset, 0x00),
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(GraphicsControllerIndex::ColorCompare, 0x00),
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(GraphicsControllerIndex::DataRotate, 0x00),
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(GraphicsControllerIndex::ReadPlaneSelect, 0x00),
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(GraphicsControllerIndex::GraphicsMode, 0x10),
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(GraphicsControllerIndex::Miscellaneous, 0x0E),
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(GraphicsControllerIndex::ColorDontCare, 0x00),
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(GraphicsControllerIndex::BitMask, 0xFF),
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],
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attribute_controller_registers: &[
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(AttributeControllerIndex::PaletteRegister0, 0x00),
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(AttributeControllerIndex::PaletteRegister1, 0x01),
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(AttributeControllerIndex::PaletteRegister2, 0x02),
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(AttributeControllerIndex::PaletteRegister3, 0x03),
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(AttributeControllerIndex::PaletteRegister4, 0x04),
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(AttributeControllerIndex::PaletteRegister5, 0x05),
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(AttributeControllerIndex::PaletteRegister6, 0x14),
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(AttributeControllerIndex::PaletteRegister7, 0x07),
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(AttributeControllerIndex::PaletteRegister8, 0x38),
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(AttributeControllerIndex::PaletteRegister9, 0x39),
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(AttributeControllerIndex::PaletteRegisterA, 0x3A),
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(AttributeControllerIndex::PaletteRegisterB, 0x3B),
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(AttributeControllerIndex::PaletteRegisterC, 0x3C),
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(AttributeControllerIndex::PaletteRegisterD, 0x3D),
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(AttributeControllerIndex::PaletteRegisterE, 0x3E),
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(AttributeControllerIndex::PaletteRegisterF, 0x3F),
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(AttributeControllerIndex::ModeControl, 0x0C),
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(AttributeControllerIndex::OverscanColor, 0x00),
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(AttributeControllerIndex::MemoryPlaneEnable, 0x0F),
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(AttributeControllerIndex::HorizontalPixelPanning, 0x08),
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(AttributeControllerIndex::ColorSelect, 0x00),
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],
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};
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/// Register values for Vga mode 640x480x16 Graphics.
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pub const MODE_640X480X16_CONFIGURATION: VgaConfiguration = VgaConfiguration {
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// Configuration values acquired from https://www.singlix.com/trdos/archive/vga/Graphics%20in%20pmode.pdf
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// and https://forum.osdev.org/viewtopic.php?f=1&t=20137&hilit=640x480x16
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miscellaneous_output: 0xE3,
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sequencer_registers: &[
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(SequencerIndex::SequencerReset, 0x03),
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(SequencerIndex::ClockingMode, 0x01),
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(SequencerIndex::PlaneMask, 0x08),
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(SequencerIndex::CharacterFont, 0x00),
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(SequencerIndex::MemoryMode, 0x06),
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],
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crtc_controller_registers: &[
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(CrtcControllerIndex::HorizontalTotal, 0x5F),
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(CrtcControllerIndex::HorizontalDisplayEnableEnd, 0x4F),
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(CrtcControllerIndex::HorizontalBlankingStart, 0x50),
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(CrtcControllerIndex::HorizontalBlankingEnd, 0x82),
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(CrtcControllerIndex::HorizontalSyncStart, 0x54),
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(CrtcControllerIndex::HorizontalSyncEnd, 0x80),
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(CrtcControllerIndex::VeritcalTotal, 0x0B),
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(CrtcControllerIndex::Overflow, 0x3E),
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(CrtcControllerIndex::PresetRowScan, 0x00),
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(CrtcControllerIndex::MaximumScanLine, 0x40),
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(CrtcControllerIndex::TextCursorStart, 0x00),
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(CrtcControllerIndex::TextCursorEnd, 0x00),
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(CrtcControllerIndex::StartAddressHigh, 0x00),
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(CrtcControllerIndex::StartAddressLow, 0x00),
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(CrtcControllerIndex::TextCursorLocationHigh, 0x00),
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(CrtcControllerIndex::TextCursorLocationLow, 0x00),
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(CrtcControllerIndex::VerticalSyncStart, 0xEA),
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(CrtcControllerIndex::VerticalSyncEnd, 0x0C),
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(CrtcControllerIndex::VerticalDisplayEnableEnd, 0xDF),
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(CrtcControllerIndex::Offset, 0x28),
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(CrtcControllerIndex::UnderlineLocationRegister, 0x00),
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(CrtcControllerIndex::VerticalBlankingStart, 0xE7),
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(CrtcControllerIndex::VerticalBlankingEnd, 0x04),
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(CrtcControllerIndex::ModeControl, 0xE3),
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(CrtcControllerIndex::LineCompare, 0xFF),
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],
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graphics_controller_registers: &[
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(GraphicsControllerIndex::SetReset, 0x00),
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(GraphicsControllerIndex::EnableSetReset, 0x00),
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(GraphicsControllerIndex::ColorCompare, 0x00),
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(GraphicsControllerIndex::DataRotate, 0x00),
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(GraphicsControllerIndex::ReadPlaneSelect, 0x03),
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(GraphicsControllerIndex::GraphicsMode, 0x00),
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(GraphicsControllerIndex::Miscellaneous, 0x05),
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(GraphicsControllerIndex::ColorDontCare, 0x0F),
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(GraphicsControllerIndex::BitMask, 0xFF),
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],
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attribute_controller_registers: &[
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(AttributeControllerIndex::PaletteRegister0, 0x00),
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(AttributeControllerIndex::PaletteRegister1, 0x01),
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(AttributeControllerIndex::PaletteRegister2, 0x02),
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(AttributeControllerIndex::PaletteRegister3, 0x03),
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(AttributeControllerIndex::PaletteRegister4, 0x04),
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(AttributeControllerIndex::PaletteRegister5, 0x05),
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(AttributeControllerIndex::PaletteRegister6, 0x14),
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(AttributeControllerIndex::PaletteRegister7, 0x07),
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(AttributeControllerIndex::PaletteRegister8, 0x38),
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(AttributeControllerIndex::PaletteRegister9, 0x39),
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(AttributeControllerIndex::PaletteRegisterA, 0x3A),
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(AttributeControllerIndex::PaletteRegisterB, 0x3B),
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(AttributeControllerIndex::PaletteRegisterC, 0x3C),
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(AttributeControllerIndex::PaletteRegisterD, 0x3D),
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(AttributeControllerIndex::PaletteRegisterE, 0x3E),
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(AttributeControllerIndex::PaletteRegisterF, 0x3F),
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(AttributeControllerIndex::ModeControl, 0x01),
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(AttributeControllerIndex::OverscanColor, 0x00),
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(AttributeControllerIndex::MemoryPlaneEnable, 0x0F),
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(AttributeControllerIndex::HorizontalPixelPanning, 0x00),
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(AttributeControllerIndex::ColorSelect, 0x00),
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],
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};
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