1BitFeverDreams: /* F256K2 or F256Jr2 */

2025-08-24T15:45:30Z

F256K2 or F256Jr2

← Older revision		Revision as of 11:45, 24 August 2025
Line 201:		Line 201:
	!6809		!6809
	\|-		\|-
	\| 0x01 \|\| INT_WIFI\|\| Empty Interrupt (Triggers ~~when~~ Data in FIFO ~~(after being~~ emptied))		\| 0x01 \|\| INT_WIFI\|\| Empty Interrupt (Triggers after Data in FIFO is emptied)
	\|		\|
	\|		\|
	\|-		\|-
	\| 0x02 \|\| INT_MIDI \|\| Empty Interrupt (Triggers ~~when~~ Data in FIFO ~~(after being~~ emptied))		\| 0x02 \|\| INT_MIDI \|\| Empty Interrupt (Triggers after Data in FIFO is emptied)
	\|		\|
	\|		\|
	\|-		\|-
	\| 0x04 \|\| INT_OPT_KBD\|\| Empty Interrupt (Triggers ~~when~~ Data in FIFO ~~(after being~~ emptied)) (K2 Only)		\| 0x04 \|\| INT_OPT_KBD\|\| Empty Interrupt (Triggers after Data in FIFO is emptied) (K2 Only)
	\|		\|
	\|		\|

1BitFeverDreams: /* F256K or F256Jr */ added 6809 specific info, renames on some interrupts

2025-08-24T14:48:10Z

F256K or F256Jr: added 6809 specific info, renames on some interrupts

Show changes

1BitFeverDreams: first draft of the IRQ page for K,K2,Jr, Jr2

2024-10-30T14:14:05Z

first draft of the IRQ page for K,K2,Jr, Jr2

New page

== Interrupts ==
=== F256K or F256Jr ===

{| class="wikitable"
|+ Group 0
|-
! Bit !! Name !! Purpose
|-
| 0x01 || INT_VKY_SOF || TinyVicky Start Of Frame interrupt
|-
| 0x02 || INT_VKY_SOL || TinyVicky Start Of Line interrupt
|-
| 0x04 || INT_PS2_KBD || PS/2 keyboard event
|-
| 0x08 || INT_PS2_MOUSE || PS/2 mouse event
|-
| 0x10 || INT_TIMER_0 || TIMER0 has reached its target value
|-
| 0x20 || INT_TIMER_1 || TIMER1 has reached its target value
|-
| 0x40 || RESERVED||
|-
| 0x80 || Cartridge || Interrupt asserted by the cartidge
|}

{| class="wikitable"
|+ Group 1
|-
! Bit !! Name !! Purpose
|-
| 0x01 || INT_UART || The UART is ready to receive or send data
|-
| 0x02 || RESERVED||
|-
| 0x04 || RESERVED||
|-
| 0x08 || RESERVED||
|-
| 0x10 || INT_RTC || Event from the real time clock chip
|-
| 0x20 || INT_VIA0 || Event from the 65C22 VIA chip
|-
| 0x40 || INT_VIA1 || F256k Only: Local keyboard
|-
| 0x80 || INT_SDC_INS || User has inserted an SD card
|}

{| class="wikitable"
|+ Group 2
|-
! Bit !! Name !! Purpose
|-
| 0x01 || IEC_DATA_i || IEC Data In
|-
| 0x02 || IEC_CLK_i || IEC Clock In
|-
| 0x04 || IEC_ATN_i || IEC ATN In
|-
| 0x08 || IEC_SREQ_i || IEC SREQ In
|-
| 0x10 || RESERVED||
|-
| 0x20 || RESERVED||
|-
| 0x40 || RESERVED||
|-
| 0x80 || RESERVED||
|}

=== F256K2 or F256Jr2 ===

{| class="wikitable"
|+ Group 0
|-
! Bit !! Name !! Purpose
|-
| 0x01 || INT_VKY_SOF || TinyVicky Start Of Frame interrupt
|-
| 0x02 || INT_VKY_SOL || TinyVicky Start Of Line interrupt
|-
| 0x04 || INT_PS2_KBD || PS/2 keyboard event
|-
| 0x08 || INT_PS2_MOUSE || PS/2 mouse event
|-
| 0x10 || INT_TIMER_0 || TIMER0 has reached its target value
|-
| 0x20 || INT_TIMER_1 || TIMER1 has reached its target value
|-
| 0x40 || DMA0_INT || DMA interrupt
|-
| 0x80 || Cartridge || Interrupt asserted by the cartidge
|}

{| class="wikitable"
|+ Group 1
|-
! Bit !! Name !! Purpose
|-
| 0x01 || INT_UART || The UART is ready to receive or send data
|-
| 0x02 || COLLISION INT2 || VICKY collision
|-
| 0x04 || COLLISION INT3 || VICKY collision
|-
| 0x08 || COLLISION INT4 || VICKY collision
|-
| 0x10 || INT_RTC || Event from the real time clock chip
|-
| 0x20 || INT_VIA0 || Event from the 65C22 VIA chip
|-
| 0x40 || INT_VIA1 || F256k Only: Local keyboard
|-
| 0x80 || INT_SDC_INS || User has inserted an SD card
|}

{| class="wikitable"
|+ Group 2
|-
! Bit !! Name !! Purpose
|-
| 0x01 || IEC_DATA_i || IEC Data In (K2 Only)
|-
| 0x02 || IEC_CLK_i || IEC Clock In (K2 Only)
|-
| 0x04 || IEC_ATN_i || IEC ATN In (K2 Only)
|-
| 0x08 || IEC_SREQ_i || IEC SREQ In (K2 Only)
|-
| 0x10 || RESERVED||
|-
| 0x20 || WIFI IRQ || (Module Generated)
|-
| 0x40 || HDMI IRQ || (From Sii9022) (K2 Only)
|-
| 0x80 || RESERVED||
|}

{| class="wikitable"
|+ Group 3
|-
! Bit !! Name !! Purpose
|-
| 0x01 || WIFI FIFO|| Empty Interrupt (Triggers when Data in FIFO (after being emptied))
|-
| 0x02 || MIDI FIFO || Empty Interrupt (Triggers when Data in FIFO (after being emptied))
|-
| 0x04 || Optical Keyboard FIFO|| Empty Interrupt (Triggers when Data in FIFO (after being emptied)) (K2 Only)
|-
| 0x08 || RESERVED||
|-
| 0x10 || RESERVED||
|-
| 0x20 || RESERVED||
|-
| 0x40 || RESERVED||
|-
| 0x80 || RESERVED||
|}

IRQ - Revision history

1BitFeverDreams: /* F256K2 or F256Jr2 */

1BitFeverDreams: /* F256K or F256Jr */ added 6809 specific info, renames on some interrupts

1BitFeverDreams: first draft of the IRQ page for K,K2,Jr, Jr2