diff options
author | 2009-06-18 05:57:56 +0000 | |
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committer | 2009-06-18 05:57:56 +0000 | |
commit | 5129896754308b3e9c91aa57b2e2faafc785a650 (patch) | |
tree | 5591f985cca25274d6d93ce0d676a77eb5425f53 /src/emu/machine/8237dma.c | |
parent | 578dffa5d821215ee8ecd261afc03a9c5a8bd575 (diff) |
Cleanups and version bump.mame0132u1
Diffstat (limited to 'src/emu/machine/8237dma.c')
-rw-r--r-- | src/emu/machine/8237dma.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/emu/machine/8237dma.c b/src/emu/machine/8237dma.c index 3d4f7ed2816..fb93ca98f88 100644 --- a/src/emu/machine/8237dma.c +++ b/src/emu/machine/8237dma.c @@ -27,7 +27,7 @@ typedef enum { DMA8237_SI, /* Idle state */ DMA8237_S0, /* HRQ has been triggered, waiting to receive HLDA */ -// DMA8237_SW, /* Wait state */ +// DMA8237_SW, /* Wait state */ /* Normal transfer states */ DMA8237_S1, /* Output A8-A15; only used when A8-A15 really needs to be output */ @@ -37,13 +37,13 @@ typedef enum { /* Memory to memory transfer states */ DMA8237_S11, /* Output A8-A15 */ -// DMA8237_S12, /* Output A0-A7 */ -// DMA8237_S13, /* Initiate read */ -// DMA8237_S14, /* Perform read/write */ -// DMA8237_S21, /* Output A8-A15 */ -// DMA8237_S22, /* Output A0-A7 */ -// DMA8237_S23, /* Initiate read */ -// DMA8237_S24, /* Perform read/write */ +// DMA8237_S12, /* Output A0-A7 */ +// DMA8237_S13, /* Initiate read */ +// DMA8237_S14, /* Perform read/write */ +// DMA8237_S21, /* Output A8-A15 */ +// DMA8237_S22, /* Output A0-A7 */ +// DMA8237_S23, /* Initiate read */ +// DMA8237_S24, /* Perform read/write */ } dma8237_state; @@ -229,7 +229,7 @@ static TIMER_CALLBACK( dma8237_timerproc ) /* Check if a new DMA request has been received. */ { /* Bit 6 of the command register determines whether the DREQ signals are active - high or active low. */ + high or active low. */ UINT16 pending_request = ( ( dma8237->command & 0x40 ) ? ~dma8237->drq : dma8237->drq ) & ~dma8237->mask; if ( pending_request & 0x0f ) @@ -263,7 +263,7 @@ static TIMER_CALLBACK( dma8237_timerproc ) case DMA8237_S0: /* S0 is the first of the DMA service. We have requested a hold but are waiting - for confirmation. */ + for confirmation. */ if ( dma8237->hlda ) { if ( dma8237->command & 0x01 ) |