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Add IRQ selection for MPU-IMC

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This existed in later revisions of the card in real hardware
This commit is contained in:
Cacodemon345
2022-07-30 00:20:22 +06:00
parent 67a2d987ea
commit 0bd6e90da4
1 changed files with 39 additions and 1 deletions
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40
src/sound/snd_mpu401.c
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@@ -1784,7 +1784,9 @@ mpu401_standalone_init(const device_t *info)
mpu->pos_regs[0] = 0x0F;
mpu->pos_regs[1] = 0x6C;
base = 0; /* Tell mpu401_init() that this is the MCA variant. */
irq = 2; /* According to @6c0f.adf, the IRQ is fixed to 2. */
/* According to @6c0f.adf, the IRQ is supposed to be fixed to 2.
This is only true for earlier models. Later ones have selectable IRQ. */
irq = device_get_config_int("irq");
} else {
base = device_get_config_hex16("base");
irq = device_get_config_int("irq");
@@ -1901,6 +1903,42 @@ static const device_config_t mpu401_standalone_config[] = {
static const device_config_t mpu401_standalone_mca_config[] = {
// clang-format off
{
.name = "irq",
.description = "MPU-401 IRQ",
.type = CONFIG_SELECTION,
.default_string = "",
.default_int = 9,
.file_filter = "",
.spinner = { 0 },
.selection = {
{
.description = "IRQ 3",
.value = 3
},
{
.description = "IRQ 4",
.value = 4
},
{
.description = "IRQ 5",
.value = 5
},
{
.description = "IRQ 6",
.value = 6
},
{
.description = "IRQ 7",
.value = 7
},
{
.description = "IRQ 9",
.value = 9
},
{ .description = "" }
}
},
{
.name = "receive_input",
.description = "Receive input",