Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added emulation of Commodore SL386SX-25 (PC Player II).

Browse source 
As part of this, added emulation of the onboard AVGA2, and fixed a couple of
bugs in the Cirrus Logic extended write modes.
Currently chipset (VLSI SCAMP) is missing EMS emulation.
This commit is contained in:
SarahW 2019-12-20 17:19:25 +00:00
commit 5c8e1aecc2
12 changed files with 499 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

15
src/video.c
View file

@ -130,6 +130,7 @@ static video_timings_t timing_pc200 = {VIDEO_ISA, 8,16,32, 8,16,32};
static video_timings_t timing_m24 = {VIDEO_ISA, 8,16,32, 8,16,32};
static video_timings_t timing_pvga1a = {VIDEO_ISA, 6, 8,16, 6, 8,16};
static video_timings_t timing_wd90c11 = {VIDEO_ISA, 3, 3, 6, 5, 5,10};
static video_timings_t timing_avga2 = {VIDEO_ISA, 3, 3, 6, 5, 5,10};
static video_timings_t timing_oti067 = {VIDEO_ISA, 6, 8,16, 6, 8,16};
static video_timings_t timing_vga = {VIDEO_ISA, 8,16,32, 8,16,32};
static video_timings_t timing_ps1_svga = {VIDEO_ISA, 6, 8,16, 6, 8,16};
@ -242,6 +243,9 @@ device_t *video_card_getdevice(int card, int romset)
case ROM_PB520R:
return &gd5434_pb520r_device;
case ROM_CBM_SL386SX25:
return &avga2_cbm_sl386sx_device;
}
return video_cards[card].device;
}
@ -365,6 +369,7 @@ int video_is_mda()
case ROM_PB410A:
case ROM_PB570:
case ROM_PB520R:
case ROM_CBM_SL386SX25:
return 0;
}
return (video_cards[video_old_to_new(gfxcard)].flags & VIDEO_FLAG_TYPE_MASK) == VIDEO_FLAG_TYPE_MDA;
@ -411,6 +416,7 @@ int video_is_cga()
case ROM_PB410A:
case ROM_PB570:
case ROM_PB520R:
case ROM_CBM_SL386SX25:
return 0;
}
return (video_cards[video_old_to_new(gfxcard)].flags & VIDEO_FLAG_TYPE_MASK) == VIDEO_FLAG_TYPE_CGA;
@ -449,6 +455,7 @@ int video_is_ega_vga()
case ROM_PB410A:
case ROM_PB570:
case ROM_PB520R:
case ROM_CBM_SL386SX25:
return 1;
}
return (video_cards[video_old_to_new(gfxcard)].flags & VIDEO_FLAG_TYPE_MASK) == VIDEO_FLAG_TYPE_SPECIAL;
@ -614,6 +621,10 @@ void video_updatetiming()
case ROM_PB520R:
timing = &timing_pb520r;
break;
case ROM_CBM_SL386SX25:
timing = &timing_avga2;
break;
}
@ -813,6 +824,10 @@ void video_init()
break;
}
return;
case ROM_CBM_SL386SX25:
device_add(&avga2_cbm_sl386sx_device);
return;
}
device_add(video_cards[video_old_to_new(gfxcard)].device);
}