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Eliminate palette macro.

This commit is contained in:
Thomas Harte 2024-01-16 14:32:04 -05:00
parent 9ea71c97db
commit a315deb60c

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@ -22,31 +22,31 @@ constexpr auto FinalColumn = CyclesPerLine / CyclesPerTick;
// Converts from Apple's RGB ordering to this emulator's.
#if TARGET_RT_BIG_ENDIAN
#define PaletteConvulve(x) uint16_t(x)
constexpr uint16_t convulve(uint16_t x) { return x; }
#else
#define PaletteConvulve(x) uint16_t(((x&0xf00) >> 8) | ((x&0x0ff) << 8))
constexpr uint16_t convulve(uint16_t x) { return uint16_t(((x&0xf00) >> 8) | ((x&0x0ff) << 8)); }
#endif
// The 12-bit values used by the Apple IIgs to approximate Apple II colours,
// as implied by tech note #63's use of them as border colours.
// http://www.1000bit.it/support/manuali/apple/technotes/iigs/tn.iigs.063.html
constexpr uint16_t appleii_palette[16] = {
PaletteConvulve(0x0000), // Black.
PaletteConvulve(0x0d03), // Deep Red.
PaletteConvulve(0x0009), // Dark Blue.
PaletteConvulve(0x0d2d), // Purple.
PaletteConvulve(0x0072), // Dark Green.
PaletteConvulve(0x0555), // Dark Gray.
PaletteConvulve(0x022f), // Medium Blue.
PaletteConvulve(0x06af), // Light Blue.
PaletteConvulve(0x0850), // Brown.
PaletteConvulve(0x0f60), // Orange.
PaletteConvulve(0x0aaa), // Light Grey.
PaletteConvulve(0x0f98), // Pink.
PaletteConvulve(0x01d0), // Light Green.
PaletteConvulve(0x0ff0), // Yellow.
PaletteConvulve(0x04f9), // Aquamarine.
PaletteConvulve(0x0fff), // White.
convulve(0x0000), // Black.
convulve(0x0d03), // Deep Red.
convulve(0x0009), // Dark Blue.
convulve(0x0d2d), // Purple.
convulve(0x0072), // Dark Green.
convulve(0x0555), // Dark Gray.
convulve(0x022f), // Medium Blue.
convulve(0x06af), // Light Blue.
convulve(0x0850), // Brown.
convulve(0x0f60), // Orange.
convulve(0x0aaa), // Light Grey.
convulve(0x0f98), // Pink.
convulve(0x01d0), // Light Green.
convulve(0x0ff0), // Yellow.
convulve(0x04f9), // Aquamarine.
convulve(0x0fff), // White.
};
// Reasoned guesswork ahoy!
@ -280,7 +280,7 @@ void Video::output_row(int row, int start, int end) {
const int palette_base = (line_control_ & 15) * 32 + 0x19e00;
for(int c = 0; c < 16; c++) {
const int entry = ram_[palette_base + (c << 1)] | (ram_[palette_base + (c << 1) + 1] << 8);
palette_[c] = PaletteConvulve(entry);
palette_[c] = convulve(entry);
}
// Post an interrupt if requested.