diff options
Diffstat (limited to 'source/dma.c')
| -rw-r--r-- | source/dma.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/source/dma.c b/source/dma.c index f404d4f..3800c70 100644 --- a/source/dma.c +++ b/source/dma.c @@ -23,7 +23,7 @@ static uint8_t sdd1_decode_buffer[0x10000]; #endif -extern int HDMA_ModeByteCounts [8]; +extern int32_t HDMA_ModeByteCounts [8]; extern uint8_t* HDMAMemPointers [8]; extern uint8_t* HDMABasePointers [8]; @@ -51,13 +51,13 @@ void S9xDoDMA(uint8_t Channel) SDMA* d = &DMA[Channel]; - int count = d->TransferBytes; + int32_t count = d->TransferBytes; // Prepare for custom chip DMA if (count == 0) count = 0x10000; - int inc = d->AAddressFixed ? 0 : (!d->AAddressDecrement ? 1 : -1); + int32_t inc = d->AAddressFixed ? 0 : (!d->AAddressDecrement ? 1 : -1); if ((d->ABank == 0x7E || d->ABank == 0x7F) && d->BAddress == 0x80) { @@ -115,7 +115,7 @@ void S9xDoDMA(uint8_t Channel) memcpy(&spc7110_dma[j], s7r.bank50, d->TransferBytes - j); s7_wrap = true; } - int icount = s7r.reg4809 | (s7r.reg480A << 8); + int32_t icount = s7r.reg4809 | (s7r.reg480A << 8); icount -= d->TransferBytes; s7r.reg4809 = 0x00ff & icount; s7r.reg480A = (0xff00 & icount) >> 8; @@ -129,13 +129,13 @@ void S9xDoDMA(uint8_t Channel) { // Perform packed bitmap to PPU character format conversion on the // data before transmitting it to V-RAM via-DMA. - int num_chars = 1 << ((Memory.FillRAM [0x2231] >> 2) & 7); - int depth = (Memory.FillRAM [0x2231] & 3) == 0 ? 8 : - (Memory.FillRAM [0x2231] & 3) == 1 ? 4 : 2; + int32_t num_chars = 1 << ((Memory.FillRAM [0x2231] >> 2) & 7); + int32_t depth = (Memory.FillRAM [0x2231] & 3) == 0 ? 8 : + (Memory.FillRAM [0x2231] & 3) == 1 ? 4 : 2; - int bytes_per_char = 8 * depth; - int bytes_per_line = depth * num_chars; - int char_line_bytes = bytes_per_char * num_chars; + int32_t bytes_per_char = 8 * depth; + int32_t bytes_per_line = depth * num_chars; + int32_t char_line_bytes = bytes_per_char * num_chars; uint32_t addr = (d->AAddress / char_line_bytes) * char_line_bytes; uint8_t* base = GetBasePointer((d->ABank << 16) + addr) + addr; uint8_t* buffer = &Memory.ROM [MAX_ROM_SIZE - 0x10000]; @@ -144,7 +144,7 @@ void S9xDoDMA(uint8_t Channel) uint32_t char_count = inc / bytes_per_char; in_sa1_dma = true; - int i; + int32_t i; switch (depth) { @@ -157,7 +157,7 @@ void S9xDoDMA(uint8_t Channel) for (j = 0; j < char_count && p - buffer < count; j++, line += 2) { - int b, l; + int32_t b, l; uint8_t* q = line; for (l = 0; l < 8; l++, q += bytes_per_line) { @@ -188,7 +188,7 @@ void S9xDoDMA(uint8_t Channel) j++, line += 4) { uint8_t* q = line; - int b, l; + int32_t b, l; for (l = 0; l < 8; l++, q += bytes_per_line) { for (b = 0; b < 4; b++) @@ -219,7 +219,7 @@ void S9xDoDMA(uint8_t Channel) j++, line += 8) { uint8_t* q = line; - int b, l; + int32_t b, l; for (l = 0; l < 8; l++, q += bytes_per_line) { for (b = 0; b < 8; b++) @@ -672,7 +672,7 @@ uint8_t S9xDoHDMA(uint8_t byte) { SDMA* p = &DMA [0]; - int d = 0; + int32_t d = 0; CPU.InDMA = true; CPU.Cycles += ONE_CYCLE * 3; @@ -874,7 +874,7 @@ uint8_t S9xDoHDMA(uint8_t byte) void S9xResetDMA() { - int c, d; + int32_t c, d; for (d = 0; d < 8; d++) { DMA [d].TransferDirection = false; |