Zack Buhman
0aea1d0db2
aica_gdrom currently copies from system ram to AICA ram, 128 bytes at a time, synchronized with the AICA sample timer.
65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
#include "memorymap.hpp"
|
|
#include "sh7091/serial.hpp"
|
|
#include "systembus.hpp"
|
|
#include "systembus_bits.hpp"
|
|
#include "aica/aica.hpp"
|
|
|
|
extern void * _binary_start __asm("_binary_example_arm_channel_bin_start");
|
|
extern void * _binary_size __asm("_binary_example_arm_channel_bin_size");
|
|
|
|
void wait()
|
|
{
|
|
while (ffst::aica_internal_write_buffer(system.FFST));
|
|
}
|
|
|
|
void wait_read()
|
|
{
|
|
uint32_t ffst = system.FFST;
|
|
while ( ffst::holly_cpu_if_block_internal_write_buffer(ffst)
|
|
| ffst::holly_g2_if_block_internal_write_buffer(ffst)
|
|
| ffst::aica_internal_write_buffer(ffst)) {
|
|
ffst = system.FFST;
|
|
};
|
|
}
|
|
|
|
void main()
|
|
{
|
|
const uint32_t * binary = reinterpret_cast<uint32_t *>(&_binary_start);
|
|
const uint32_t binary_size = reinterpret_cast<uint32_t>(&_binary_size);
|
|
|
|
wait(); aica_sound.common.vreg_armrst = aica::vreg_armrst::ARMRST(1);
|
|
wait(); aica_sound.common.dmea0_mrwinh = aica::dmea0_mrwinh::MRWINH(0);
|
|
for (uint32_t i = 0; i < binary_size / 4; i++) {
|
|
// copy
|
|
while (aica_wave_memory[i] != binary[i]) {
|
|
wait();
|
|
aica_wave_memory[i] = binary[i];
|
|
}
|
|
}
|
|
wait(); aica_sound.common.vreg_armrst = aica::vreg_armrst::ARMRST(0);
|
|
|
|
wait(); aica_sound.common.afsel_mslc_mobuf = aica::afsel_mslc_mobuf::MSLC(0);
|
|
serial::string("mrwinh: ");
|
|
wait_read();
|
|
serial::integer<uint8_t>(aica_sound.common.MRWINH());
|
|
while (1) {
|
|
wait_read();
|
|
serial::string("sgc: ");
|
|
serial::integer<uint8_t>(aica_sound.common.SGC(), ' ');
|
|
serial::string("; ca: ");
|
|
serial::integer<uint8_t>(aica_sound.common.CA(), ' ');
|
|
serial::string("; eg: ");
|
|
serial::integer<uint8_t>(aica_sound.common.EG(), ' ');
|
|
serial::string("; lp: ");
|
|
serial::integer<uint8_t>(aica_sound.common.LP(), ' ');
|
|
serial::character('\n');
|
|
for (int i = 0; i < 10000000; i++) {
|
|
asm volatile ("nop");
|
|
}
|
|
serial::integer<uint32_t>(aica_wave_memory[0], ' ');
|
|
serial::integer<uint32_t>(aica_wave_memory[1], '\n');
|
|
}
|
|
|
|
while (1);
|
|
}
|