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A small unused code regarding ext i/o (not hooked because it then talks with the SCSI a lot)

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This commit is contained in:
Angelo Salese 2012-08-23 03:18:14 +00:00
parent 5f1eb8b0bb
commit 2db7d3c1a9
2 changed files with 23 additions and 5 deletions
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2
makefile
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@ -222,7 +222,7 @@ BUILD_FLAC = 1
BUILD_JPEGLIB = 1
# uncomment next line to include the symbols
SYMBOLS = 1
# SYMBOLS = 1
# specify symbols level or leave commented to use the default
# (default is SYMLEVEL = 2 normally; use 1 if you only need backtrace)

26
src/mess/drivers/pcfx.c
View file

@ -48,6 +48,9 @@ public:
DECLARE_WRITE16_MEMBER( irq_write );
DECLARE_READ16_MEMBER( pad_r );
DECLARE_WRITE16_MEMBER( pad_w );
DECLARE_READ8_MEMBER( extio_r );
DECLARE_WRITE8_MEMBER( extio_w );
inline void check_irqs();
inline void set_irq_line(int line, int state);
DECLARE_WRITE_LINE_MEMBER( irq8_w );
@ -58,15 +61,28 @@ public:
DECLARE_WRITE_LINE_MEMBER( irq13_w );
DECLARE_WRITE_LINE_MEMBER( irq14_w );
DECLARE_WRITE_LINE_MEMBER( irq15_w );
};
READ8_MEMBER(pcfx_state::extio_r)
{
address_space *io_space = m_maincpu->memory().space(AS_IO);
return io_space->read_byte(offset);
}
WRITE8_MEMBER(pcfx_state::extio_w)
{
address_space *io_space = m_maincpu->memory().space(AS_IO);
io_space->write_byte(offset, data);
}
static ADDRESS_MAP_START( pcfx_mem, AS_PROGRAM, 32, pcfx_state )
AM_RANGE( 0x00000000, 0x001FFFFF ) AM_RAM /* RAM */
AM_RANGE( 0x80700000, 0x807FFFFF ) AM_NOP /* EXTIO */
AM_RANGE( 0xE0000000, 0xE7FFFFFF ) AM_NOP
AM_RANGE( 0xE8000000, 0xE9FFFFFF ) AM_NOP
// AM_RANGE( 0x80000000, 0x807FFFFF ) AM_READWRITE8(extio_r,extio_w,0xffffffff) /* EXTIO */
AM_RANGE( 0xE0000000, 0xE7FFFFFF ) AM_NOP /* BackUp RAM */
AM_RANGE( 0xE8000000, 0xE9FFFFFF ) AM_NOP /* Extended BackUp RAM */
AM_RANGE( 0xF8000000, 0xF8000007 ) AM_NOP /* PIO */
AM_RANGE( 0xFFF00000, 0xFFFFFFFF ) AM_ROMBANK("bank1") /* ROM */
ADDRESS_MAP_END
@ -141,6 +157,7 @@ WRITE16_MEMBER( pcfx_state::pad_w )
}
}
static ADDRESS_MAP_START( pcfx_io, AS_IO, 32, pcfx_state )
AM_RANGE( 0x00000000, 0x000000FF ) AM_READWRITE16(pad_r, pad_w, 0xffffffff) /* PAD */
AM_RANGE( 0x00000100, 0x000001FF ) AM_NOP /* HuC6230 */
@ -152,6 +169,7 @@ static ADDRESS_MAP_START( pcfx_io, AS_IO, 32, pcfx_state )
AM_RANGE( 0x00000C80, 0x00000C83 ) AM_NOP
AM_RANGE( 0x00000E00, 0x00000EFF ) AM_READWRITE16( irq_read, irq_write, 0xffff ) /* Interrupt controller */
AM_RANGE( 0x00000F00, 0x00000FFF ) AM_NOP
// AM_RANGE( 0x00600000, 0x006FFFFF ) AM_READ(scsi_ctrl_r)
AM_RANGE( 0x00780000, 0x007FFFFF ) AM_ROM AM_REGION("scsi_rom", 0 )
AM_RANGE( 0x80500000, 0x805000FF ) AM_NOP /* HuC6273 */
ADDRESS_MAP_END