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Bump control codes up in the roster.

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This commit is contained in:
Thomas Harte
2025-09-25 22:18:52 -04:00
parent f8c11bf217
commit 93f768af9b
2 changed files with 9 additions and 8 deletions
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Components/SAA5050/SAA5050.cpp
+7 -7
View File
@@ -163,7 +163,6 @@ void SAA5050Serialiser::begin_line() {
output_.background = 0x0;
output_.pixels = 0;
has_output_ = false;
next_control_ = 0;
alpha_mode_ = true;
separated_graphics_ = false;
@@ -179,8 +178,7 @@ SAA5050Serialiser::Output SAA5050Serialiser::output() {
return output_;
}
void SAA5050Serialiser::add(const Numeric::SizedCounter<7> c) {
// Apply any enqueued control code.
void SAA5050Serialiser::apply_control(const uint8_t value) {
enum ControlCode: uint8_t {
RedAlpha = 0x01,
GreenAlpha = 0x02,
@@ -207,7 +205,8 @@ void SAA5050Serialiser::add(const Numeric::SizedCounter<7> c) {
BlackBackground = 0x1c,
NewBackground = 0x1d,
};
switch(next_control_) {
switch(value) {
default: break;
case RedAlpha: alpha_mode_ = true; output_.alpha = 0b100; break;
@@ -235,12 +234,13 @@ void SAA5050Serialiser::add(const Numeric::SizedCounter<7> c) {
case BlackBackground: output_.background = 0; break;
case NewBackground: output_.background = output_.alpha; break;
}
next_control_ = 0;
}
void SAA5050Serialiser::add(const Numeric::SizedCounter<7> c) {
has_output_ = true;
if(c.get() < 32) {
// Defer any [some?] control characters until next time through.
next_control_ = c.get();
// TODO: consider held graphics.
apply_control(c.get());
output_.pixels = 0;
return;
}
Components/SAA5050/SAA5050.hpp
+2 -1
View File
@@ -32,7 +32,6 @@ public:
Output output();
private:
uint8_t next_control_ = 0;
Output output_;
bool has_output_ = false;
@@ -45,6 +44,8 @@ private:
bool double_height_ = false;
bool row_has_double_height_ = false;
int double_height_offset_ = 0;
void apply_control(const uint8_t);
};
}