mirror of
https://github.com/lefticus/6502-cpp.git
synced 2024-12-22 01:30:03 +00:00
Introduce VIC_II::HighResSprite and VIC_II::MultiColorSprite.
write_multi_color_line(): Replaces write_multi_color_pixel(). write_line(): Replaces write_pixel(). The generated code is not affected by this change.
This commit is contained in:
Marko Mäkelä
parent
504d13a527
commit
24df091a6f
@ -192,42 +192,66 @@ namespace {
|
||||
return Frame(*this, p1, p2);
|
||||
}
|
||||
|
||||
static void write_multi_color_pixel(uint8_t*)
|
||||
static void write_multi_color_line(uint8_t*)
|
||||
{
|
||||
// 0th case
|
||||
}
|
||||
|
||||
static void write_pixel(uint8_t*)
|
||||
static void write_line(uint8_t*)
|
||||
{
|
||||
// 0th case
|
||||
}
|
||||
|
||||
template<typename ... D >
|
||||
static void write_multi_color_pixel(uint8_t* mem, uint8_t d1, uint8_t d2,
|
||||
uint8_t d3, uint8_t d4, D ... d)
|
||||
static constexpr uint8_t multi_color_byte(uint_least16_t bits)
|
||||
{
|
||||
*mem = (d1 << 6) | (d2 << 4) | (d3 << 2) | d4;
|
||||
write_multi_color_pixel(mem + 1, d...);
|
||||
// 0aa0bb0cc0dd -> 0aabbccdd
|
||||
return
|
||||
(bits & 3) |
|
||||
(bits >> 1 & 3 << 2) |
|
||||
(bits >> 2 & 3 << 4) |
|
||||
(bits >> 3 & 3 << 6);
|
||||
}
|
||||
|
||||
template<typename ... D >
|
||||
static void write_pixel(uint8_t *mem, bool d1, bool d2, bool d3, bool d4,
|
||||
bool d5, bool d6, bool d7, bool d8, D ... d)
|
||||
static void write_multi_color_line(uint8_t* mem, uint_least64_t l,
|
||||
D ... d)
|
||||
{
|
||||
*mem = (d1 << 7) | (d2 << 6) | (d3 << 5) | (d4 << 4) | (d5 << 3) | (d6 << 2) | (d7 << 1) | d8;
|
||||
write_pixel(mem + 1, d...);
|
||||
mem[0] = multi_color_byte(uint_least16_t(l >> 24));
|
||||
mem[1] = multi_color_byte(uint_least16_t(l >> 12));
|
||||
mem[2] = multi_color_byte(uint_least16_t(l));
|
||||
|
||||
write_multi_color_line(mem + 3, d...);
|
||||
}
|
||||
|
||||
template<typename ... D >
|
||||
static void write_line(uint8_t *mem, uint_least32_t l, D ... d)
|
||||
{
|
||||
mem[0] = uint8_t(l >> 16);
|
||||
mem[1] = uint8_t(l >> 8);
|
||||
mem[2] = uint8_t(l);
|
||||
write_line(mem + 3, d...);
|
||||
}
|
||||
|
||||
struct Sprite {
|
||||
alignas(SPRITE_ALIGNMENT) uint8_t memory[63];
|
||||
};
|
||||
|
||||
struct HighResSprite : public Sprite
|
||||
{
|
||||
template<typename ... D>
|
||||
Sprite(D ... d)
|
||||
HighResSprite(D ... d) : Sprite()
|
||||
{
|
||||
if constexpr(sizeof...(d) == 12 * 21) {
|
||||
write_multi_color_pixel(memory, d...);
|
||||
} else {
|
||||
write_pixel(memory, d...);
|
||||
}
|
||||
static_assert(sizeof...(d) == 21);
|
||||
write_line(memory, d...);
|
||||
}
|
||||
};
|
||||
|
||||
struct MultiColorSprite : public Sprite
|
||||
{
|
||||
template<typename ... D>
|
||||
MultiColorSprite(D ... d) : Sprite()
|
||||
{
|
||||
write_multi_color_line(memory, d...);
|
||||
}
|
||||
};
|
||||
|
||||
@ -255,6 +279,23 @@ namespace {
|
||||
set_bit(SPRITE_PRIORITY, sprite_number, low_priority);
|
||||
}
|
||||
|
||||
void enable_sprite(const uint8_t sprite_number,
|
||||
const HighResSprite& bitmap,
|
||||
const bool low_priority,
|
||||
const bool double_width, const bool double_height)
|
||||
{
|
||||
enable_sprite(sprite_number, bitmap, false, low_priority,
|
||||
double_width, double_height);
|
||||
}
|
||||
void enable_sprite(const uint8_t sprite_number,
|
||||
const MultiColorSprite& bitmap,
|
||||
const bool low_priority,
|
||||
const bool double_width, const bool double_height)
|
||||
{
|
||||
enable_sprite(sprite_number, bitmap, true, low_priority,
|
||||
double_width, double_height);
|
||||
}
|
||||
|
||||
auto sprite_collisions() {
|
||||
const auto collisions = memory(SPRITE_COLLISIONS);
|
||||
|
||||
@ -293,53 +334,53 @@ namespace {
|
||||
|
||||
/// The ball image. This has to be declared const in the global scope,
|
||||
/// or otherwise the data will not be initialized at compilation time.
|
||||
const VIC_II::Sprite sBall(
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,1,1,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,
|
||||
0,0,0,0,0,1,1,0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,
|
||||
0,0,0,0,0,1,1,1,0,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,
|
||||
0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,
|
||||
0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,
|
||||
0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,
|
||||
0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,
|
||||
0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,
|
||||
0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,
|
||||
0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,
|
||||
0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,
|
||||
0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
|
||||
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||
const VIC_II::HighResSprite sBall(
|
||||
0b00000000000000000000000,
|
||||
0b00000000000000000000000,
|
||||
0b00000000111111000000000,
|
||||
0b00000011111111110000000,
|
||||
0b00000110111111111000000,
|
||||
0b00001100011111111100000,
|
||||
0b00001110111111111100000,
|
||||
0b00011111111111111110000,
|
||||
0b00011111111111111110000,
|
||||
0b00011111111111111110000,
|
||||
0b00000111111111111000000,
|
||||
0b00011000000000000110000,
|
||||
0b00011111111111111110000,
|
||||
0b00001111111111111100000,
|
||||
0b00001111111111111100000,
|
||||
0b00000111111111111000000,
|
||||
0b00000011111111110000000,
|
||||
0b00000000111111000000000,
|
||||
0b00000000000000000000000,
|
||||
0b00000000000000000000000,
|
||||
0b00000000000000000000000
|
||||
);
|
||||
|
||||
/// The bat image.
|
||||
const VIC_II::Sprite sBat(
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,2,2,0,0,0,0,0,
|
||||
0,0,0,0,0,3,3,0,0,0,0,0,
|
||||
0,0,0,0,0,1,1,0,0,0,0,0,
|
||||
0,0,0,0,0,3,3,0,0,0,0,0,
|
||||
0,0,0,0,0,1,1,0,0,0,0,0,
|
||||
0,0,0,0,0,3,3,0,0,0,0,0
|
||||
const VIC_II::MultiColorSprite sBat(
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000002200000,
|
||||
0000003300000,
|
||||
0000001100000,
|
||||
0000003300000,
|
||||
0000001100000,
|
||||
0000003300000
|
||||
);
|
||||
|
||||
int main()
|
||||
@ -365,9 +406,9 @@ int main()
|
||||
|
||||
VIC_II vic;
|
||||
|
||||
vic.enable_sprite(0, sBall, false, true, false, false);
|
||||
vic.enable_sprite(1, sBat, true, false, false, true);
|
||||
vic.enable_sprite(2, sBat, true, false, false, true);
|
||||
vic.enable_sprite(0, sBall, true, false, false);
|
||||
vic.enable_sprite(1, sBat, false, false, true);
|
||||
vic.enable_sprite(2, sBat, false, false, true);
|
||||
vic.border() = vic.nearest_color<128,128,128>(colors).num; // 50% grey
|
||||
vic.background() = vic.nearest_color<0,0,0>(colors).num; // black
|
||||
vic.sprite_1_color() = vic.nearest_color<255,0,0>(colors).num; // red
|
||||
|
||||
Loading…
Reference in New Issue
Block a user