Apple-2-Tools/Steve2
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- Fixed disk sfx buffer initialization error

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- disk sfx only allowed at lower speed
This commit is contained in:
tudnai 2020-06-11 22:38:03 -07:00
parent 2dc3040dc5
commit 96ae85ec71
3 changed files with 30 additions and 22 deletions
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2
src/cpu/6502.c
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@ -43,6 +43,8 @@ unsigned long long int inst_cnt = 0;
//const unsigned int fps = 30;
const unsigned long long default_MHz_6502 = 1.023 * M; // 2 * M; // 4 * M; // 8 * M; // 16 * M; // 128 * M; // 256 * M; // 512 * M;
const unsigned long long iigs_MHz_6502 = 2.8 * M;
const unsigned long long iicplus_MHz_6502 = 4 * M;
const unsigned long long startup_MHz_6502 = 32 * M;
unsigned long long MHz_6502 = default_MHz_6502;
unsigned long long clk_6502_per_frm = default_MHz_6502 / fps;

2
src/cpu/6502.h
View File

@ -15,6 +15,8 @@
extern const unsigned long long default_MHz_6502;
extern const unsigned long long iigs_MHz_6502;
extern const unsigned long long iicplus_MHz_6502;
extern unsigned long long MHz_6502;
extern unsigned long long clk_6502_per_frm;
extern unsigned long long clk_6502_per_frm_set;

48
src/dev/audio/speaker.c
View File

@ -159,7 +159,6 @@ void spkr_init() {
alGenBuffers(BUFFER_COUNT, spkr_buffers);
alGenBuffers(1, &spkr_disk_motor_buf);
alGenBuffers(1, &spkr_disk_arm_buf);
alGenBuffers(1, &spkr_disk_ioerr_buf);
al_check_error();
// Set-up sound source and play buffer
@ -237,7 +236,8 @@ void spkr_exit() {
al_check_error();
spkr_src[0] = 0;
memset(spkr_src, 0, sizeof(spkr_src));
memset(spkr_buffers, 0, sizeof(spkr_buffers));
}
}
@ -467,7 +467,6 @@ void spkr_play_sfx( ALuint src, uint8_t * sfx, int len ) {
void spkr_stop_sfx( ALuint src ) {
ALenum state;
alGetSourcei( src, AL_SOURCE_STATE, &state );
// al_check_error();
@ -487,32 +486,30 @@ void spkr_stop_sfx( ALuint src ) {
void spkr_play_disk_motor() {
if ( diskAccelerator_count == 0 ) {
if ( clk_6502_per_frm <= iicplus_MHz_6502 / fps ) {
spkr_play_sfx( spkr_src[1], diskmotor_sfx, diskmotor_sfx_len );
}
}
void spkr_stop_disk_motor( int time ) {
if ( diskAccelerator_count == 0 ) {
if ( clk_6502_per_frm <= iicplus_MHz_6502 / fps ) {
spkr_play_disk_motor_time = time;
}
}
void spkr_play_disk_arm() {
if ( diskAccelerator_count == 0 ) {
if ( clk_6502_per_frm <= iicplus_MHz_6502 / fps ) {
if ( spkr_play_disk_ioerr_time == 0 ) {
spkr_play_sfx( spkr_src[2], diskarm_sfx, diskarm_sfx_len );
spkr_play_disk_arm_time = 2;
// spkr_play_disk_ioerr_time = 2;
}
}
}
void spkr_play_disk_ioerr() {
// spkr_stop_sfx( spkr_src[3], &spkr_disk_ioerr_buf );
if ( diskAccelerator_count == 0 ) {
if ( clk_6502_per_frm <= iicplus_MHz_6502 / fps ) {
spkr_playqueue_sfx( spkr_src[3], diskioerr_sfx, diskioerr_sfx_len - 512);
spkr_play_disk_ioerr_time = 4;
}
@ -520,25 +517,32 @@ void spkr_play_disk_ioerr() {
void update_disk_sfx( unsigned * time, ALuint src ) {
if ( diskAccelerator_count == 0 ) {
if ( *time ) {
if ( --*time == 0 ) {
spkr_stop_sfx( src );
}
if ( *time ) {
if ( --*time == 0 ) {
spkr_stop_sfx( src );
}
}
}
void spkr_update_disk_sfx() {
if ( diskAccelerator_count == 0 ) {
update_disk_sfx( &spkr_play_disk_motor_time, spkr_src[1] );
update_disk_sfx( &spkr_play_disk_arm_time, spkr_src[2] );
// we do not need to stop playing,
// however, counter needed to eliminate arm movement noise while in io error
if ( spkr_play_disk_ioerr_time ) {
spkr_play_disk_ioerr_time--;
// is user speeds up the machine, disk sfx needs to be stopped
if ( clk_6502_per_frm > iicplus_MHz_6502 / fps ) {
if ( spkr_play_disk_motor_time ) {
spkr_play_disk_motor_time = 1; // rest will be taken care below
}
if ( spkr_play_disk_arm_time ) {
spkr_play_disk_arm_time = 1; // rest will be taken care below
}
}
update_disk_sfx( &spkr_play_disk_motor_time, spkr_src[1] );
update_disk_sfx( &spkr_play_disk_arm_time, spkr_src[2] );
// we do not need to stop playing,
// however, counter needed to eliminate arm movement noise while in io error
if ( spkr_play_disk_ioerr_time ) {
spkr_play_disk_ioerr_time--;
}
}