Max
/
SameBoy
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge pull request #234 from NieDzejkob/spelling 

Spell "length" properly
This commit is contained in:
Lior Halphon 2020-02-27 19:36:20 +02:00 committed by GitHub
parent 83ea4edce2 67d5a53503
commit 52a3bf5f24
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
Core/apu.c
View File

@ -230,13 +230,13 @@ static void render(GB_gameboy_t *gb)
gb->apu_output.sample_callback(gb, &filtered_output); gb->apu_output.sample_callback(gb, &filtered_output);
} }
static uint16_t new_sweep_sample_legnth(GB_gameboy_t *gb) static uint16_t new_sweep_sample_length(GB_gameboy_t *gb)
{ {
uint16_t delta = gb->apu.shadow_sweep_sample_legnth >> (gb->io_registers[GB_IO_NR10] & 7); uint16_t delta = gb->apu.shadow_sweep_sample_length >> (gb->io_registers[GB_IO_NR10] & 7);
if (gb->io_registers[GB_IO_NR10] & 8) { if (gb->io_registers[GB_IO_NR10] & 8) {
return gb->apu.shadow_sweep_sample_legnth - delta; return gb->apu.shadow_sweep_sample_length - delta;
} }
return gb->apu.shadow_sweep_sample_legnth + delta; return gb->apu.shadow_sweep_sample_length + delta;
} }
static void update_square_sample(GB_gameboy_t *gb, unsigned index) static void update_square_sample(GB_gameboy_t *gb, unsigned index)
@ -400,8 +400,8 @@ void GB_apu_div_event(GB_gameboy_t *gb)
if (!--gb->apu.square_sweep_countdown) { if (!--gb->apu.square_sweep_countdown) {
if ((gb->io_registers[GB_IO_NR10] & 0x70) && (gb->io_registers[GB_IO_NR10] & 0x07)) { if ((gb->io_registers[GB_IO_NR10] & 0x70) && (gb->io_registers[GB_IO_NR10] & 0x07)) {
gb->apu.square_channels[GB_SQUARE_1].sample_length = gb->apu.square_channels[GB_SQUARE_1].sample_length =
gb->apu.shadow_sweep_sample_legnth = gb->apu.shadow_sweep_sample_length =
gb->apu.new_sweep_sample_legnth; gb->apu.new_sweep_sample_length;
} }
if (gb->io_registers[GB_IO_NR10] & 0x70) { if (gb->io_registers[GB_IO_NR10] & 0x70) {
@ -435,8 +435,8 @@ void GB_apu_run(GB_gameboy_t *gb)
} }
else { else {
/* APU bug: sweep frequency is checked after adding the sweep delta twice */ /* APU bug: sweep frequency is checked after adding the sweep delta twice */
gb->apu.new_sweep_sample_legnth = new_sweep_sample_legnth(gb); gb->apu.new_sweep_sample_length = new_sweep_sample_length(gb);
if (gb->apu.new_sweep_sample_legnth > 0x7ff) { if (gb->apu.new_sweep_sample_length > 0x7ff) {
gb->apu.is_active[GB_SQUARE_1] = false; gb->apu.is_active[GB_SQUARE_1] = false;
update_sample(gb, GB_SQUARE_1, 0, gb->apu.square_sweep_calculate_countdown - cycles); update_sample(gb, GB_SQUARE_1, 0, gb->apu.square_sweep_calculate_countdown - cycles);
gb->apu.sweep_enabled = false; gb->apu.sweep_enabled = false;
@ -724,8 +724,8 @@ void GB_apu_write(GB_gameboy_t *gb, uint8_t reg, uint8_t value)
gb->apu.square_channels[index].sample_length &= 0xFF; gb->apu.square_channels[index].sample_length &= 0xFF;
gb->apu.square_channels[index].sample_length |= (value & 7) << 8; gb->apu.square_channels[index].sample_length |= (value & 7) << 8;
if (index == GB_SQUARE_1) { if (index == GB_SQUARE_1) {
gb->apu.shadow_sweep_sample_legnth = gb->apu.shadow_sweep_sample_length =
gb->apu.new_sweep_sample_legnth = gb->apu.new_sweep_sample_length =
gb->apu.square_channels[0].sample_length; gb->apu.square_channels[0].sample_length;
} }
if (value & 0x80) { if (value & 0x80) {

4
Core/apu.h
View File

@ -64,8 +64,8 @@ typedef struct
uint8_t square_sweep_countdown; // In 128Hz uint8_t square_sweep_countdown; // In 128Hz
uint8_t square_sweep_calculate_countdown; // In 2 MHz uint8_t square_sweep_calculate_countdown; // In 2 MHz
uint16_t new_sweep_sample_legnth; uint16_t new_sweep_sample_length;
uint16_t shadow_sweep_sample_legnth; uint16_t shadow_sweep_sample_length;
bool sweep_enabled; bool sweep_enabled;
bool sweep_decreasing; bool sweep_decreasing;