From beb1e811b4743297ba41ac8b78d152c92e0223ee Mon Sep 17 00:00:00 2001 From: arbee Date: Wed, 1 Jul 2020 21:26:37 -0400 Subject: apple3: upload the font at the end of VBL, not the start [robj] --- src/mame/machine/apple3.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/mame/machine/apple3.cpp b/src/mame/machine/apple3.cpp index 695e5f1ccfe..1a4bf520389 100644 --- a/src/mame/machine/apple3.cpp +++ b/src/mame/machine/apple3.cpp @@ -480,7 +480,8 @@ void apple3_state::apple3_c0xx_w(offs_t offset, uint8_t data) WRITE_LINE_MEMBER(apple3_state::vbl_w) { - if ((state) && (m_charwrt)) + // do the font upload at the end of VBL, not the start + if ((!state) && (m_charwrt)) { apple3_write_charmem(); } -- cgit v1.2.3