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mac_via: use IFR bit flag constants for VIA2 IRQs 

This allows us to easily see how the physical control lines are mapped to the
IFR bit flags.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220305150957.5053-4-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2022-03-05 15:09:48 +00:00
parent 61a608cd79
commit e787221ebf
1 changed files with 9 additions and 10 deletions
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19
include/hw/misc/mac_via.h
View File

@ -80,19 +80,18 @@ struct MOS6522Q800VIA1State {
/* VIA 2 */
#define VIA2_IRQ_SCSI_DATA_BIT 0
#define VIA2_IRQ_NUBUS_BIT 1
#define VIA2_IRQ_UNUSED_BIT 2
#define VIA2_IRQ_SCSI_BIT 3
#define VIA2_IRQ_ASC_BIT 4
#define VIA2_IRQ_SCSI_DATA_BIT CA2_INT_BIT
#define VIA2_IRQ_NUBUS_BIT CA1_INT_BIT
#define VIA2_IRQ_SCSI_BIT CB2_INT_BIT
#define VIA2_IRQ_ASC_BIT CB1_INT_BIT
#define VIA2_IRQ_NB 8
#define VIA2_IRQ_SCSI_DATA (1 << VIA2_IRQ_SCSI_DATA_BIT)
#define VIA2_IRQ_NUBUS (1 << VIA2_IRQ_NUBUS_BIT)
#define VIA2_IRQ_UNUSED (1 << VIA2_IRQ_SCSI_BIT)
#define VIA2_IRQ_SCSI (1 << VIA2_IRQ_UNUSED_BIT)
#define VIA2_IRQ_ASC (1 << VIA2_IRQ_ASC_BIT)
#define VIA2_IRQ_SCSI_DATA BIT(VIA2_IRQ_SCSI_DATA_BIT)
#define VIA2_IRQ_NUBUS BIT(VIA2_IRQ_NUBUS_BIT)
#define VIA2_IRQ_UNUSED BIT(VIA2_IRQ_SCSI_BIT)
#define VIA2_IRQ_SCSI BIT(VIA2_IRQ_UNUSED_BIT)
#define VIA2_IRQ_ASC BIT(VIA2_IRQ_ASC_BIT)
#define VIA2_NUBUS_IRQ_NB 7