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- added some comments relating to Z80 DMA chip (dkong3)

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Couriersud 2007-12-25 22:21:57 +00:00
parent 24edb7d555
commit dd82d11edb
1 changed files with 2 additions and 1 deletions
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3
src/mame/drivers/dkong.c
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@ -738,6 +738,7 @@ static ADDRESS_MAP_START( dkong3_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x6900, 0x6a7f) AM_RAM AM_BASE(&spriteram) AM_SIZE(&spriteram_size) /* sprite set 1 */
AM_RANGE(0x6a80, 0x6cff) AM_RAM /* 0x6b00: sprite set 2 */
AM_RANGE(0x6d00, 0x6fff) AM_RAM /* ???? */
AM_RANGE(0x7000, 0x73ff) AM_RAM /* Actual sprite ram location ... waiting for missing z80 dma */
AM_RANGE(0x7400, 0x77ff) AM_READWRITE(MRA8_RAM, dkong_videoram_w) AM_BASE(&videoram)
AM_RANGE(0x7c00, 0x7c00) AM_READ_PORT("IN0") AM_WRITE(soundlatch_w)
AM_RANGE(0x7c80, 0x7c80) AM_READ_PORT("IN1") AM_WRITE(soundlatch2_w)
@ -755,7 +756,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( dkong3_io_map, ADDRESS_SPACE_IO, 8 )
ADDRESS_MAP_FLAGS( AMEF_ABITS(8) )
AM_RANGE(0x00, 0x00) AM_WRITE(MWA8_NOP) /* ??? */
AM_RANGE(0x00, 0x00) AM_WRITE(MWA8_NOP) /* dma controller */
ADDRESS_MAP_END
static ADDRESS_MAP_START( dkongjr_map, ADDRESS_SPACE_PROGRAM, 8 )