diff options
Diffstat (limited to 'private/mvdm/softpc.new/base/inc/equip.h')
| -rw-r--r-- | private/mvdm/softpc.new/base/inc/equip.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/private/mvdm/softpc.new/base/inc/equip.h b/private/mvdm/softpc.new/base/inc/equip.h new file mode 100644 index 000000000..05eaea946 --- /dev/null +++ b/private/mvdm/softpc.new/base/inc/equip.h @@ -0,0 +1,115 @@ + +/* + * VPC-XT Revision 1.0 + * + * Title : Equipment word definitions + * + * Description : The equipment word shows what optional devices are + * attached to the PC + * + * Author : Ross Beresford + * + * Notes : None + */ + +/* SccsID[]="@(#)equip.h 1.3 08/10/92 Copyright Insignia Solutions Ltd."; */ + +/* + * ============================================================================ + * Structure/Data definitions + * ============================================================================ + */ + +#ifdef BIGEND +#ifdef BIT_ORDER1 +typedef union +{ + word all; + struct { + HALF_WORD_BIT_FIELD printer_count:2; + HALF_WORD_BIT_FIELD not_used:1; + HALF_WORD_BIT_FIELD game_io_present:1; + HALF_WORD_BIT_FIELD rs232_count:3; + HALF_WORD_BIT_FIELD unused:1; + + HALF_WORD_BIT_FIELD max_diskette:2; /* BEWARE - 0 RELATIVE */ + HALF_WORD_BIT_FIELD video_mode:2; + HALF_WORD_BIT_FIELD ram_size:2; + HALF_WORD_BIT_FIELD coprocessor_present:1; + HALF_WORD_BIT_FIELD diskette_present:1; + } bits; +} EQUIPMENT_WORD; +#endif +#ifdef BIT_ORDER2 +typedef union +{ + word all; + struct { + HALF_WORD_BIT_FIELD unused:1; + HALF_WORD_BIT_FIELD rs232_count:3; + HALF_WORD_BIT_FIELD game_io_present:1; + HALF_WORD_BIT_FIELD not_used:1; + HALF_WORD_BIT_FIELD printer_count:2; + + HALF_WORD_BIT_FIELD diskette_present:1; + HALF_WORD_BIT_FIELD coprocessor_present:1; + HALF_WORD_BIT_FIELD ram_size:2; + HALF_WORD_BIT_FIELD video_mode:2; + HALF_WORD_BIT_FIELD max_diskette:2; /* BEWARE - 0 RELATIVE */ + } bits; +} EQUIPMENT_WORD; +#endif +#endif + +#ifdef LITTLEND +#ifdef BIT_ORDER1 +typedef union +{ + word all; + struct { + HALF_WORD_BIT_FIELD max_diskette:2; /* BEWARE - 0 RELATIVE */ + HALF_WORD_BIT_FIELD video_mode:2; + HALF_WORD_BIT_FIELD ram_size:2; + HALF_WORD_BIT_FIELD coprocessor_present:1; + HALF_WORD_BIT_FIELD diskette_present:1; + + HALF_WORD_BIT_FIELD printer_count:2; + HALF_WORD_BIT_FIELD not_used:1; + HALF_WORD_BIT_FIELD game_io_present:1; + HALF_WORD_BIT_FIELD rs232_count:3; + HALF_WORD_BIT_FIELD unused:1; + } bits; +} EQUIPMENT_WORD; +#endif +#ifdef BIT_ORDER2 +typedef union +{ + word all; + struct { + HALF_WORD_BIT_FIELD diskette_present:1; + HALF_WORD_BIT_FIELD coprocessor_present:1; + HALF_WORD_BIT_FIELD ram_size:2; + HALF_WORD_BIT_FIELD video_mode:2; + HALF_WORD_BIT_FIELD max_diskette:2; /* BEWARE - 0 RELATIVE */ + + HALF_WORD_BIT_FIELD unused:1; + HALF_WORD_BIT_FIELD rs232_count:3; + HALF_WORD_BIT_FIELD game_io_present:1; + HALF_WORD_BIT_FIELD not_used:1; + HALF_WORD_BIT_FIELD printer_count:2; + } bits; +} EQUIPMENT_WORD; +#endif +#endif + +#define EQUIP_FLAG BIOS_VAR_START + 0x10 + +#define RAM_SIZE_16K 0 +#define RAM_SIZE_32K 1 +#define RAM_SIZE_48K 2 +#define RAM_SIZE_64K 3 + +#define VIDEO_MODE_UNUSED 0 +#define VIDEO_MODE_40X25_COLOUR 1 +#define VIDEO_MODE_80X25_COLOUR 2 +#define VIDEO_MODE_80X25_BW 3 |