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add burst write and read to (16 bit) ATARI I/O area

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Markus Fröschle
2017-04-06 17:08:56 +00:00
parent 25a0652007
commit efcbf3655d
1 changed files with 3 additions and 1 deletions
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4
BaS_gcc/sys/sysinit.c
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@@ -417,7 +417,9 @@ static void init_fbcs()
#if defined(MACHINE_FIREBEE) /* FBC setup for FireBee */ #if defined(MACHINE_FIREBEE) /* FBC setup for FireBee */
MCF_FBCS1_CSAR = MCF_FBCS_CSAR_BA(0xFFF00000); /* ATARI I/O address range */ MCF_FBCS1_CSAR = MCF_FBCS_CSAR_BA(0xFFF00000); /* ATARI I/O address range */
MCF_FBCS1_CSCR = MCF_FBCS_CSCR_PS_16 /* 16BIT PORT */ MCF_FBCS1_CSCR = MCF_FBCS_CSCR_PS_16 /* 16BIT PORT */
| MCF_FBCS_CSCR_WS(32) /* 8 wait states */ | MCF_FBCS_CSCR_WS(32) /* 32 wait states */
| MCF_FBCS_CSCR_BSTR /* burst read enable */
| MCF_FBCS_CSCR_BSTW /* burst write enable */
| MCF_FBCS_CSCR_AA; /* auto /TA acknowledge */ | MCF_FBCS_CSCR_AA; /* auto /TA acknowledge */
MCF_FBCS1_CSMR = MCF_FBCS_CSMR_BAM_1M | MCF_FBCS_CSMR_V; MCF_FBCS1_CSMR = MCF_FBCS_CSMR_BAM_1M | MCF_FBCS_CSMR_V;