diff options
author | arbee <rb6502@users.noreply.github.com> | 2018-07-20 20:09:32 -0400 |
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committer | arbee <rb6502@users.noreply.github.com> | 2018-07-20 20:09:32 -0400 |
commit | b167c4d2035b4ad9961866dd97df39bfee5b7a93 (patch) | |
tree | 86b4533b03e61ad235f114e665827053d00a76b4 | |
parent | a9af14b26f733d4e0d23bff00c5b4a22ba84d5c2 (diff) |
Cycle counting is hard. So is scanline counting. (nw)
-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 32246e7302a..80df5c3356b 100644 --- a/src/mame/drivers/apple2.cpp +++ b/src/mame/drivers/apple2.cpp @@ -874,7 +874,7 @@ uint8_t napple2_state::read_floatingbus() // calculate vertical scanning state // - v_line = (i / kHClocks) + 184; // which vertical scanning line + v_line = (i / kHClocks) + 188; // 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 0e6e0b0d531..d485237893b 100644 --- a/src/mame/drivers/apple2e.cpp +++ b/src/mame/drivers/apple2e.cpp @@ -2576,7 +2576,7 @@ uint8_t apple2e_state::read_floatingbus() // calculate vertical scanning state // - v_line = (i / kHClocks) + 184; // which vertical scanning line (MAME starts at blank, not the beginning of the scanning area) + v_line = (i / kHClocks) + 188; // 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 { |