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-rw-r--r--src/mame/drivers/aristmk4.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/aristmk4.c b/src/mame/drivers/aristmk4.c
index 3e75fa2b1e2..b996ee363a9 100644
--- a/src/mame/drivers/aristmk4.c
+++ b/src/mame/drivers/aristmk4.c
@@ -675,7 +675,8 @@ static READ8_HANDLER(mk4_printer_r)
static ADDRESS_MAP_START( aristmk4_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x07ff) AM_RAM AM_BASE(&mkiv_vram) // video ram - chips U49 / U50
AM_RANGE(0x0800, 0x17ff) AM_RAM
- AM_RANGE(0x1800, 0x1801) AM_DEVREADWRITE("crtc", mc6845_register_r, mc6845_register_w)
+ AM_RANGE(0x1800, 0x1800) AM_DEVWRITE("crtc", mc6845_address_w)
+ AM_RANGE(0x1801, 0x1801) AM_DEVREADWRITE("crtc", mc6845_register_r, mc6845_register_w)
AM_RANGE(0x1c00, 0x1cff) AM_WRITE(mk4_printer_w)
AM_RANGE(0x1900, 0x19ff) AM_READ(mk4_printer_r)
AM_RANGE(0x2000, 0x3fff) AM_ROM // graphics rom map