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Added recognition for most devices

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dingusdev 2020-12-07 07:57:44 -07:00
parent 99641b1b5e
commit b7d45b1a31
4 changed files with 180 additions and 4 deletions
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64
devices/escc.cpp Normal file
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@ -0,0 +1,64 @@
/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-20 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "escc.h"
#include <cinttypes>
#include <thirdparty/loguru/loguru.hpp>
using namespace std;
ESCC::ESCC() {}
ESCC::~ESCC() {}
uint8_t ESCC::escc_read(uint32_t offset, int size) {
return 0;
}
void ESCC::escc_write(uint32_t offset, uint8_t value, int size) {
if (offset == 0x20) {
if (!prep_value) {
store_reg = value & 0xF;
prep_value = true;
}
else {
escc_reg[store_reg] = value;
prep_value = false;
}
}
}
uint8_t ESCC::escc_legacy_read(uint32_t offset, int size) {
return 0;
}
void ESCC::escc_legacy_write(uint32_t offset, uint8_t value, int size) {
if (offset == 0x0) {
if (!prep_value) {
store_reg = value & 0xF;
prep_value = true;
} else {
escc_reg[store_reg] = value;
prep_value = false;
}
}
}

47
devices/escc.h Normal file
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@ -0,0 +1,47 @@
/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-20 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef ESCC_H
#define ESCC_H
#include <cinttypes>
class ESCC {
public:
ESCC();
~ESCC();
//protected:
uint8_t escc_read(uint32_t offset, int size);
void escc_write(uint32_t offset, uint8_t value, int size);
uint8_t escc_legacy_read(uint32_t offset, int size);
void escc_legacy_write(uint32_t offset, uint8_t value, int size);
private:
uint8_t escc_reg[16];
uint8_t store_reg = 0;
bool prep_value = false;
};
#endif /* ESCC_H */

69
devices/heathrow.cpp
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@ -21,6 +21,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include "awacs.h"
#include "dbdma.h"
#include "escc.h"
#include "machines/machinebase.h"
#include "macio.h"
#include "viacuda.h"
@ -44,6 +45,8 @@ HeathrowIC::HeathrowIC() : PCIDevice("mac-io/heathrow") {
this->screamer = new AWACDevice();
this->snd_out_dma = new DMAChannel(this->screamer);
this->screamer->set_dma_out(this->snd_out_dma);
this->escc = new ESCC();
}
HeathrowIC::~HeathrowIC() {
@ -121,13 +124,37 @@ uint32_t HeathrowIC::read(uint32_t reg_start, uint32_t offset, int size) {
case 8:
res = dma_read(offset - 0x8000, size);
break;
case 0x10:
LOG_F(WARNING, "SCSI Read - Offset: %x; Size: %x\n", offset, size);
res = 0; // TEMP!!!
break;
case 0x11:
LOG_F(WARNING, "BMAC Read - Offset: %x; Size: %x\n", offset, size);
res = 0; // TEMP!!!
break;
case 0x12:
//LOG_F(WARNING, "LEGACY ESCC Read - Offset: %x; Size: %x\n", offset, size);
res = 0xc0; // TEMP!!!
break;
case 0x13:
LOG_F(WARNING, "ESCC Read - Offset: %x; Size: %x\n", offset, size);
res = 0; // TEMP!!!
break;
case 0x14:
res = this->screamer->snd_ctrl_read(offset - 0x14000, size);
break;
case 0x15:
LOG_F(WARNING, "SWIM 3 Read - Offset: %x; Size: %x\n", offset, size);
res = 0; // TEMP!!!
break;
case 0x16:
case 0x17:
res = this->viacuda->read((offset - 0x16000) >> 9);
break;
case 0x20:
LOG_F(WARNING, "IDE Read - Offset: %x; Size: %x\n", offset, size);
res = 0; // TEMP!!!
break;
default:
if (sub_addr >= 0x60) {
res = this->nvram->read_byte((offset - 0x60000) >> 4);
@ -151,13 +178,31 @@ void HeathrowIC::write(uint32_t reg_start, uint32_t offset, uint32_t value, int
case 8:
dma_write(offset - 0x8000, value, size);
break;
case 0x10:
LOG_F(WARNING, "SCSI Write - Offset: %x; Value: %x; Size: %x\n", offset, value, size);
break;
case 0x11:
LOG_F(WARNING, "BMAC Write - Offset: %x; Value: %x; Size: %x\n", offset, value, size);
break;
case 0x12:
LOG_F(WARNING, "LEGACY ESCC Write - Offset: %x; Value: %x; Size: %x\n", offset, value, size);
break;
case 0x13:
this->escc->escc_write((offset - 0x13000), value, size);
break;
case 0x14:
this->screamer->snd_ctrl_write(offset - 0x14000, value, size);
break;
case 0x15:
LOG_F(WARNING, "SWIM 3 Write - Offset: %x; Value: %x; Size: %x\n", offset, value, size);
break;
case 0x16:
case 0x17:
this->viacuda->write((offset - 0x16000) >> 9, value);
break;
case 0x20:
LOG_F(WARNING, "IDE Write - Offset: %x; Value: %x; Size: %x\n", offset, value, size);
break;
default:
if (sub_addr >= 0x60) {
this->nvram->write_byte((offset - 0x60000) >> 4, value);
@ -171,6 +216,10 @@ uint32_t HeathrowIC::mio_ctrl_read(uint32_t offset, int size) {
uint32_t res = 0;
switch (offset & 0xFF) {
case 0x10:
LOG_F(9, "read from MIO:Int_Events2 register \n");
res = this->int_events2;
break;
case 0x14:
LOG_F(9, "read from MIO:Int_Mask2 register \n");
res = this->int_mask2;
@ -183,6 +232,10 @@ uint32_t HeathrowIC::mio_ctrl_read(uint32_t offset, int size) {
LOG_F(9, "read from MIO:Int_Levels2 register \n");
res = this->int_levels2;
break;
case 0x20:
LOG_F(9, "read from MIO:Int_Events2 register \n");
res = this->int_events2;
break;
case 0x24:
LOG_F(9, "read from MIO:Int_Mask1 register \n");
res = this->int_mask1;
@ -212,18 +265,26 @@ uint32_t HeathrowIC::mio_ctrl_read(uint32_t offset, int size) {
void HeathrowIC::mio_ctrl_write(uint32_t offset, uint32_t value, int size) {
switch (offset & 0xFF) {
case 0x10:
LOG_F(9, "write %x from MIO:Int_Events2 register \n", value);
this->int_events2 = value;
break;
case 0x14:
LOG_F(9, "read from MIO:Int_Mask2 register \n");
LOG_F(9, "write %x from MIO:Int_Mask2 register \n", value);
this->int_mask2 = value;
break;
case 0x18:
LOG_F(9, "read from MIO:Int_Clear2 register \n");
LOG_F(9, "write %x from MIO:Int_Clear2 register \n", value);
this->int_clear2 = value;
break;
case 0x1C:
LOG_F(9, "read from MIO:Int_Levels2 register \n");
LOG_F(9, "write %x from MIO:Int_Levels2 register \n", value);
this->int_levels2 = value;
break;
case 0x20:
LOG_F(9, "write %x from MIO:Int_Events1 register \n", value);
this->int_events1 = value;
break;
case 0x24:
LOG_F(9, "write %x to MIO:Int_Mask1 register \n", value);
this->int_mask1 = value;
@ -233,7 +294,7 @@ void HeathrowIC::mio_ctrl_write(uint32_t offset, uint32_t value, int size) {
this->int_clear1 = value;
break;
case 0x2C:
LOG_F(9, "read from MIO:Int_Levels1 register \n");
LOG_F(9, "write %x to MIO:Int_Levels1 register \n", value);
this->int_levels1 = value;
break;
case 0x38:

4
devices/macio.h
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@ -53,6 +53,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include "awacs.h"
#include "dbdma.h"
#include "escc.h"
#include "hwcomponent.h"
#include "memctrlbase.h"
#include "mmiodevice.h"
@ -135,9 +136,11 @@ private:
0x00 // unknown defaults
};
uint32_t int_events2 = 0;
uint32_t int_mask2 = 0;
uint32_t int_clear2 = 0;
uint32_t int_levels2 = 0;
uint32_t int_events1 = 0;
uint32_t int_mask1 = 0;
uint32_t int_clear1 = 0;
uint32_t int_levels1 = 0;
@ -147,6 +150,7 @@ private:
ViaCuda* viacuda; /* VIA cell with Cuda MCU attached to it */
NVram* nvram; /* NVRAM cell */
AWACDevice* screamer; /* Screamer audio codec instance */
ESCC* escc; /* Screamer audio codec instance */
DMAChannel* snd_out_dma;
};