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viacuda: Fix get/set time and one sec modes.

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The first packet the one sec mode should send is a mode 1 real time packet, same as GET_REAL_TIME.
A mode 2 packet is the same but doesn't include the time.
This commit is contained in:
joevt 2024-04-22 06:02:25 -07:00 committed by dingusdev
parent 2b76d8a53a
commit a22bc34816
1 changed files with 18 additions and 18 deletions
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36
devices/common/viacuda.cpp
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@ -95,7 +95,7 @@ ViaCuda::ViaCuda() {
.tm_mday = 1, .tm_mday = 1,
.tm_mon = 1 - 1, .tm_mon = 1 - 1,
.tm_year = 1904 - 1900, .tm_year = 1904 - 1900,
.tm_isdst = -1 // Use DST value from local time zone .tm_isdst = 1 // -1 = Use DST value from local time zone; 0 = not summer; 1 = is summer time
}; };
mac_epoch = std::chrono::system_clock::from_time_t(std::mktime(&tm)); mac_epoch = std::chrono::system_clock::from_time_t(std::mktime(&tm));
} }
@ -540,24 +540,24 @@ void ViaCuda::autopoll_handler() {
// draw guest system's attention // draw guest system's attention
schedule_sr_int(USECS_TO_NSECS(30)); schedule_sr_int(USECS_TO_NSECS(30));
} else if (this->one_sec_mode == 3) { } else if (this->one_sec_mode != 0) {
uint32_t this_time = calc_real_time(); uint32_t this_time = calc_real_time();
if (this_time != this->last_time) { if (this_time != this->last_time) {
/*
if ((this->last_time & 15) == 0) { We'll send a time packet every 4
/* seconds just in case we get out of
FIXME: This doesn't do anything in Mac OS 8.6. sync.
A real Mac probably doesn't do this. So why do I? */
supermario checks for packets that are not PKT_TICK bool send_time = !(this->last_time & 3);
to set the time but I don't know which Mac OS versions if (send_time || this->one_sec_mode < 3) {
have that code and if that code is triggered by this. response_header(CUDA_PKT_PSEUDO, 0);
*/ this->out_buf[2] = CUDA_GET_REAL_TIME;
response_header(9, 0); if (send_time || this->one_sec_mode == 1) {
this->out_buf[3] = CUDA_GET_REAL_TIME; uint32_t real_time = this_time + this->time_offset;
uint32_t real_time = this_time + time_offset; WRITE_DWORD_BE_U(&this->out_buf[3], real_time);
WRITE_DWORD_BE_U(&this->out_buf[3], real_time); this->out_count = 7;
this->out_count = 7; }
} else { } else if (this->one_sec_mode == 3) {
response_header(CUDA_PKT_TICK, 0); response_header(CUDA_PKT_TICK, 0);
this->out_count = 1; this->out_count = 1;
} }
@ -610,7 +610,7 @@ void ViaCuda::pseudo_command() {
case CUDA_GET_REAL_TIME: { case CUDA_GET_REAL_TIME: {
response_header(CUDA_PKT_PSEUDO, 0); response_header(CUDA_PKT_PSEUDO, 0);
uint32_t this_time = this->calc_real_time(); uint32_t this_time = this->calc_real_time();
uint32_t real_time = this_time + time_offset; uint32_t real_time = this_time + this->time_offset;
WRITE_DWORD_BE_U(&this->out_buf[3], real_time); WRITE_DWORD_BE_U(&this->out_buf[3], real_time);
this->out_count = 7; this->out_count = 7;
break; break;