diff options
Diffstat (limited to 'src/mame/machine/poly.cpp')
-rw-r--r-- | src/mame/machine/poly.cpp | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/src/mame/machine/poly.cpp b/src/mame/machine/poly.cpp index 67d5112f62f..8d5fd97dda5 100644 --- a/src/mame/machine/poly.cpp +++ b/src/mame/machine/poly.cpp @@ -223,28 +223,28 @@ WRITE8_MEMBER(polydev_state::fdc_inv_w) uint32_t poly_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { /* - PA0 Not used. Connected to CA2. - PA1 ( Mix colour 0) Blue 1) Green 0) Red 1) No - PA2 ( Graphics 1 0) 0) 1) 1) Mix - PA3 1 = Enable Teletext 1 screen - PA4 1 = 480 Graphics mode. 0 = 240 Graphics mode. - PA5 1 = Enable Graphics 1 screen or 480 Graphics screen. - PA6 1 = Mix Mode 0 = Priority mode - PA7 Must be 0. Connected to PA7 and timer G3. - - PB0 1 = Enable Teletext 2 screen. - PB1 1 = Enable Graphics 2 (must be 0 for 480 Graphics) - PB2 ( Mix colour 0) Blue 1) Green 0) Red 1) No - PB3 ( Graphics 2 0) 0) 1) 1) Mix - PB4 1 = Enable Red Background - PB5 1 = Enable Green Background - PB6 1 = Enable Blue Background - PB7 Not used. - - CA1 Connected to PA7 and timer G3. Must be 0. - CA2 Not used. Connected to PA0. - CB1 Not used. - CB2 Not used. + PA0 Not used. Connected to CA2. + PA1 ( Mix colour 0) Blue 1) Green 0) Red 1) No + PA2 ( Graphics 1 0) 0) 1) 1) Mix + PA3 1 = Enable Teletext 1 screen + PA4 1 = 480 Graphics mode. 0 = 240 Graphics mode. + PA5 1 = Enable Graphics 1 screen or 480 Graphics screen. + PA6 1 = Mix Mode 0 = Priority mode + PA7 Must be 0. Connected to PA7 and timer G3. + + PB0 1 = Enable Teletext 2 screen. + PB1 1 = Enable Graphics 2 (must be 0 for 480 Graphics) + PB2 ( Mix colour 0) Blue 1) Green 0) Red 1) No + PB3 ( Graphics 2 0) 0) 1) 1) Mix + PB4 1 = Enable Red Background + PB5 1 = Enable Green Background + PB6 1 = Enable Blue Background + PB7 Not used. + + CA1 Connected to PA7 and timer G3. Must be 0. + CA2 Not used. Connected to PA0. + CB1 Not used. + CB2 Not used. */ /* Enable Teletext 1 screen */ |