DMD: generic PWM support, Data East 128x32 support, Alvin G support, …

…GTS3 & WPC cleanups,
vpinball · Sep 1, 2024 · 5449df7 · 5449df7
1 parent a90b566
commit 5449df7
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Showing 19 changed files with 498 additions and 487 deletions.
diff --git a/src/vidhrdw/crtc6845.c b/src/vidhrdw/crtc6845.c
@@ -260,7 +260,17 @@ int crtc6845_start_address_r(int offset)
 {
 	return crtc6845[offset].start_addr;
 }
+//Return rasterization size
+int crtc6845_get_rasterized_height(int offset)
+{
+	// height in scanlines is the number of displayed character line * number of scanlines per character
+	return crtc6845[offset].vert_disp * (crtc6845[offset].max_ras_addr + 1);
+}
 
+int crtc6845_get_rasterized_width(int offset)
+{
+	return crtc6845[offset].horiz_disp;
+}
 
 
 

diff --git a/src/vidhrdw/crtc6845.h b/src/vidhrdw/crtc6845.h
@@ -23,6 +23,10 @@ WRITE_HANDLER( crtc6845_register_w );
 //Return current video start address
 int crtc6845_start_address_r(int offset);
 
+//Return rasterization size
+int crtc6845_get_rasterized_height(int offset);
+int crtc6845_get_rasterized_width(int offset);
+
 /*Convenience handlers*/
 READ_HANDLER( crtc6845_register_0_r );
 WRITE_HANDLER( crtc6845_address_0_w );

diff --git a/src/wpc/alvg.c b/src/wpc/alvg.c
@@ -394,7 +394,7 @@ void UpdateLampCol(void) {
    Second, it writes the lamp column data first, then the lamp data itself.
    The other games write the lamp data first, then the lamp column data. - */
 WRITE_HANDLER(u14_porta_w) {
-	if (core_gameData->hw.gameSpecific1)
+	if (core_gameData->hw.gameSpecific1 == 1)
 		alvglocals.lampColumn = (alvglocals.lampColumn&0x0f01) | ((data & 0x7f)<<1);
 	else {
 		alvglocals.lampColumn = (alvglocals.lampColumn&0x0f80) | (data & 0x7f);
@@ -403,7 +403,7 @@ WRITE_HANDLER(u14_porta_w) {
 	//printf("LAMP STROBE(1-7):  data = %x\n",data&0x7f);
 }
 WRITE_HANDLER(u14_portb_w) {
-	if (core_gameData->hw.gameSpecific1)
+	if (core_gameData->hw.gameSpecific1 == 1)
 		alvglocals.lampColumn = (alvglocals.lampColumn&0x00fe) | ((data & 0x0f)<<8) | ((data & 0x10)>>4);
 	else {
 		alvglocals.lampColumn = (alvglocals.lampColumn&0x007f) | ((data & 0x1f)<<7);
@@ -413,7 +413,7 @@ WRITE_HANDLER(u14_portb_w) {
 }
 WRITE_HANDLER(u14_portc_w) {
 	alvglocals.lampRow = data;
-	if (core_gameData->hw.gameSpecific1)
+	if (core_gameData->hw.gameSpecific1 == 1)
 		UpdateLampCol();
 	//printf("LAMP RETURN: data = %x\n",data);
 }