godzil/newoswan
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add some temporary disabled code for each peripheral

Browse Source 
(copied from io.c)
This commit is contained in:
Godzil
2022-06-27 17:02:35 +01:00
parent 83e4b8d5d9
commit f45995167e
7 changed files with 312 additions and 512 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
source/peripherals/buttons.c
View File

@@ -7,3 +7,38 @@
*
******************************************************************************/
#if 0
case 0xb5:
read
w1 = ws_ioRam[0xb5];
if (w1 & 0x40)
{
w2 = 0x00;
w2 = (ws_key_start << 1) | (ws_key_button_a << 2) | (ws_key_button_b << 3);
retVal = (uint8_t)((w1 & 0xf0) | w2);
break;
}
if (w1 & 0x20)
{
w2 = 0x00;
w2 = (ws_key_x1 << 0) | (ws_key_x2 << 1) | (ws_key_x3 << 2) | (ws_key_x4 << 3);
retVal = (uint8_t)((w1 & 0xf0) | w2);
break;
}
if (w1 & 0x10)
{
w2 = 0x00;
w2 = (ws_key_y1 << 0) | (ws_key_y2 << 1) | (ws_key_y3 << 2) | (ws_key_y4 << 3);
retVal = (uint8_t)((w1 & 0xf0) | w2);
}
write:
#endif

48
source/peripherals/color_system.c
View File

@@ -7,3 +7,51 @@
*
******************************************************************************/
#if 0
Shall we split color and crystal, there are some subtles differences on some registers
READ
case 0x62:
switch (ws_get_system())
{
case WS_SYSTEM_AUTODETECT:
case WS_SYSTEM_MONO:
case WS_SYSTEM_COLOR:
retVal = 0x00;
break;
case WS_SYSTEM_CRYSTAL:
retVal = 0x80;
break;
}
break;
WRITE
if ((port == 0xA0) && (ws_ioRam[port] & 0x01) && (~value & 0x01))
{
value |= 0x01;
}
case 0xA0:
/* Force cart handshake to be set */
ws_ioRam[port] |= 0x80;
if (value & 0x01)
{
Log(TLOG_WARNING, "A0", "Oh yeah %02X BABY", value);
#ifdef USE_PAGED_MEMORY_ACCESS
uint32_t romSize;
uint8_t *rom = getRom(&romSize);
set_memory_bank(0xF, ws_get_page_ptr(rom, romSize, (ws_ioRam[0xC0] & 0x0F << 4) + 0x0F));
#endif
}
break;
#endif

45
source/peripherals/dma.c
View File

@@ -7,3 +7,48 @@
*
******************************************************************************/
#if 0
Need to check how to differenciate all the DMA types.
WRITE:
case 0x48: // DMA
// bit 7 set to start dma transfer
if (value & 0x80)
{
uint32_t dma_start = (ws_ioRam[0x41] << 8) | (ws_ioRam[0x40]) | (ws_ioRam[0x42] << 16);
uint32_t dma_dest = (ws_ioRam[0x45] << 8) | (ws_ioRam[0x44]) | (ws_ioRam[0x43] << 16);
uint32_t dma_size = (ws_ioRam[0x47] << 8) | (ws_ioRam[0x46]);
uint8_t dma_inc = (value & 0x01) ? -1: 1;
Log(TLOG_VERBOSE, "DMA", "Starting DMA from %08X to %08X (len: %08X, inc: %d)",
dma_start, dma_dest, dma_size, dma_inc);
for (uint32_t ix = 0 ; ix < dma_size ; ix++)
{
mem_writemem20(dma_dest, mem_readmem20(dma_start));
dma_start += dma_inc;
dma_dest += dma_inc;
}
ws_ioRam[0x47] = 0;
ws_ioRam[0x46] = 0;
ws_ioRam[0x41] = (uint8_t)(dma_start >> 8);
ws_ioRam[0x40] = (uint8_t)(dma_start & 0xff);
ws_ioRam[0x45] = (uint8_t)(dma_dest >> 8);
ws_ioRam[0x44] = (uint8_t)(dma_dest & 0xff);
ws_ioRam[0x48] = 0;
}
break;
#endif

68
source/peripherals/mono_gpu.c
View File

@@ -7,3 +7,71 @@
*
******************************************************************************/
#if 0
READ
case 0xA0:
case 0xAA:
case 0xAB:
case 0xAC:
case 0xAD:
retVal = ws_gpu_port_read(port);
WRITE
case 0x00:
Log(TLOG_DEBUG, "GPU", "Screen enabled: W2:%c W2M:%c, SW:%c, S:%c, S2:%c, S1:%c",
(value & 0x20)?'Y':'N',
(value & 0x10)?'I':'O',
(value & 0x08)?'Y':'N',
(value & 0x04)?'Y':'N',
(value & 0x02)?'Y':'N',
(value & 0x01)?'Y':'N');
break;
case 0x04:
if (ws_gpu_operatingInColor)
{
Log(TLOG_DEBUG, "GPU", "Sprite base: %04X", (value & 0x1F) << 9);
}
else
{
Log(TLOG_DEBUG, "GPU", "Sprite base: %04X", (value & 0x3F) << 9);
}
break;
case 0x07:
if (ws_gpu_operatingInColor)
{
Log(TLOG_DEBUG, "GPU", "Sprite Screen1 base: %04X", (value & 0x7) << 11);
Log(TLOG_DEBUG, "GPU", "Sprite Screen2 base: %04X", (value & 0x70) << (11-4));
}
else
{
Log(TLOG_DEBUG, "GPU", "Sprite Screen1 base: %04X", (value & 0xF) << 11);
Log(TLOG_DEBUG, "GPU", "Sprite Screen2 base: %04X", (value & 0xF0) << (11-4));
}
break;
case 0x10:
//Log(TLOG_DEBUG, "GPU", "Sprite Screen1 X scroll: %d", value);
break;
case 0x11:
//Log(TLOG_DEBUG, "GPU", "Sprite Screen1 T scroll: %d", value);
break;
case 0x12:
//Log(TLOG_DEBUG, "GPU", "Sprite Screen2 X scroll: %d", value);
break;
case 0x13:
//Log(TLOG_DEBUG, "GPU", "Sprite Screen2 Y scroll: %d", value);
break;
case 0x15:
Log(TLOG_DEBUG, "io", "Icons %c %c %c %c %c %c %c %c", (value >> 7) & 1 ? '?' : ' ', (value >> 6) & 1 ? '?' : ' ',
(value >> 5) & 1 ? '3' : ' ', (value >> 4) & 1 ? '2' : ' ', (value >> 3) & 1 ? '1' : ' ',
(value >> 2) & 1 ? 'H' : ' ', (value >> 1) & 1 ? 'V' : ' ', (value >> 0) & 1 ? 'S' : ' ');
break;
#endif

46
source/peripherals/mono_system.c
View File

@@ -7,3 +7,49 @@
*
******************************************************************************/
#if 0
READ
case 0x62:
switch (ws_get_system())
{
case WS_SYSTEM_AUTODETECT:
case WS_SYSTEM_MONO:
case WS_SYSTEM_COLOR:
retVal = 0x00;
break;
case WS_SYSTEM_CRYSTAL:
retVal = 0x80;
break;
}
break;
WRITE
if ((port == 0xA0) && (ws_ioRam[port] & 0x01) && (~value & 0x01))
{
value |= 0x01;
}
case 0xA0:
/* Force cart handshake to be set */
ws_ioRam[port] |= 0x80;
if (value & 0x01)
{
Log(TLOG_WARNING, "A0", "Oh yeah %02X BABY", value);
#ifdef USE_PAGED_MEMORY_ACCESS
uint32_t romSize;
uint8_t *rom = getRom(&romSize);
set_memory_bank(0xF, ws_get_page_ptr(rom, romSize, (ws_ioRam[0xC0] & 0x0F << 4) + 0x0F));
#endif
}
break;
#endif

70
source/peripherals/universal_luxor.c
View File

@@ -9,3 +9,73 @@
*
******************************************************************************/
#if 0
READ
case 0xc0 : // ???
retVal = ((ws_ioRam[0xc0] & 0xf) | 0x20);
goto exit;
case 0xD0:
retVal = 0;
goto exit;
case 0xCC:
case 0xCD:
retVal = 0;
break;
WRITE
case 0xC0:
{
/* page 4 to F */
uint32_t romSize;
uint8_t *rom = getRom(&romSize);
for (int i = 0x04 ; i < 0x10 ; i++)
{
set_memory_bank(i, ws_get_page_ptr(rom, romSize, (value << 4) + i));
}
if (!(ws_ioRam[0xA0] & 0x01))
{
set_irom_overlay();
}
break;
}
case 0xC1:
/* Sram bank */
if (sramSize > 0)
{
uint32_t sramSize;
uint8_t *sram = getSram(&sramSize);
set_memory_bank(0x1, ws_get_page_ptr(sram, sramSize, value));
}
break;
case 0xC2:
{
/* page 4 to F */
uint32_t romSize;
uint8_t *rom = getRom(&romSize);
/* Page 2 */
set_memory_bank(0x2, ws_get_page_ptr(rom, romSize, value));
break;
}
case 0xC3:
{
/* page 4 to F */
uint32_t romSize;
uint8_t *rom = getRom(&romSize);
/* Page 3 */
set_memory_bank(0x3, ws_get_page_ptr(rom, romSize, value));
break;
}
#endif