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author | 2020-10-03 20:15:06 -0400 | |
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committer | 2020-10-03 20:15:06 -0400 | |
commit | f53eb6022eac11db43c36462e3dc84714800cde9 (patch) | |
tree | 3c69b7db92aacfd3ab50b059f6164a0d7e21bfab | |
parent | 9f5a9d11d46055ce7145a50129ee2c0cb713c2d1 (diff) |
apple2: correct value for floating bus offset, fixes a bunch of Deater rastersplit demos [R. Belmont]
-rw-r--r-- | src/mame/drivers/apple2.cpp | 2 | ||||
-rw-r--r-- | src/mame/drivers/apple2e.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/apple2.cpp b/src/mame/drivers/apple2.cpp index 60ca2c2ae10..f1c83a68b9a 100644 --- a/src/mame/drivers/apple2.cpp +++ b/src/mame/drivers/apple2.cpp @@ -871,7 +871,7 @@ uint8_t apple2_state::read_floatingbus() // calculate vertical scanning state // - v_line = (i / kHClocks) + 188; // which vertical scanning line + v_line = (i / kHClocks) + 192; // which vertical scanning line v_state = kVLine0State + v_line; // V state bits if ((v_line >= kVPresetLine)) // check for previous vertical state preset { diff --git a/src/mame/drivers/apple2e.cpp b/src/mame/drivers/apple2e.cpp index f45c32033a2..189288e01f4 100644 --- a/src/mame/drivers/apple2e.cpp +++ b/src/mame/drivers/apple2e.cpp @@ -2964,7 +2964,7 @@ uint8_t apple2e_state::read_floatingbus() // calculate vertical scanning state // - v_line = (i / kHClocks) + 188; // which vertical scanning line (MAME starts at blank, not the beginning of the scanning area) + v_line = (i / kHClocks) + 192; // which vertical scanning line (MAME starts at blank, not the beginning of the scanning area) v_state = kVLine0State + v_line; // V state bits if ((v_line >= kVPresetLine)) // check for previous vertical state preset { |