I/O port map: Difference between revisions
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| Line 684: | Line 684: | ||
| Low battery (b) | | Low battery (b) | ||
|- | |- | ||
! rowspan=" | ! rowspan="4" | [[EEPROM|Internal EEPROM]] | ||
! $BA | ! $BA | ||
| Internal EEPROM Data | | [[EEPROM#Internal EEPROM Data|Internal EEPROM Data]] | ||
| style="text-align: right" | <tt style="white-space: nowrap">dddd dddd dddd dddd</tt> | | style="text-align: right" | <tt style="white-space: nowrap">dddd dddd dddd dddd</tt> | ||
| RW16 | | RW16 | ||
| Line 692: | Line 692: | ||
|- | |- | ||
! $BC | ! $BC | ||
| Internal EEPROM Command | | [[EEPROM#Internal EEPROM Command|Internal EEPROM Command]] | ||
| | | | ||
| RW16 | | RW16 | ||
| | | | ||
|- | |- | ||
! $BE | ! rowspan="2" | $BE | ||
| Internal EEPROM Control | | [[EEPROM#Internal EEPROM Control|Internal EEPROM Control]] | ||
| style="text-align: right" | <tt style="white-space: nowrap">.... .... | | style="text-align: right" | <tt style="white-space: nowrap">.... .... pewr ....</tt> | ||
| | | W16 | ||
| Protect ( | | Protect (p), Erase (e), Write (w), Read (r) | ||
Ready ( | |- | ||
| [[EEPROM#Internal EEPROM Status|Internal EEPROM Status]] | |||
| style="text-align: right" | <tt style="white-space: nowrap">.... .... p... ..RD</tt> | |||
| R16 | |||
| Protected (p), Ready (R), Done (D) | |||
|- | |- | ||
! [[Mapper|Cartridge]] | ! [[Mapper|Cartridge]] | ||
Revision as of 16:43, 22 August 2023
- Superscripts are used to mark ports specific to a given mode or platform:
- Color mode: (color).
- WS/WSC/SC console: (WS), (WSC), (SC).
- If two Bits rows are provided, the second one refers to the "Color" mode.
- The Type can be: R - readable, W - writable, L - writable before boot ROM lockout, 8/16 - width (byte/word).
| Category | Port | Description | Bits | Type | Notes |
|---|---|---|---|---|---|
| Display | $00 | Display Control | ..ow Ws21 | RW8 | |
| $01 | Display Background | .... .sss
pppp iiii |
RW8 | Shade (s)
Palette (p), Index (i) | |
| $02 | Display Current Line | llll llll | R8 | Line (l) | |
| $03 | Display Interrupt Line | llll llll | RW8 | Line (l) | |
| $04 | Sprite Table Address | ...a aaaa
..aa aaaa |
RW8 | Address >> 9 (a) | |
| $05 | Sprite Table First | .iii iiii | RW8 | Index (i) | |
| $06 | Sprite Table Count | cccc cccc | RW8 | Count (c) | |
| $07 | Screen Address | .222 .111
2222 1111 |
RW8 | Screen 1 address >> 11 (1)
Screen 2 address >> 11 (2) | |
| $08 | Screen 2 Window Left | xxxx xxxx | RW8 | Coordinate (x) | |
| $09 | Screen 2 Window Top | yyyy yyyy | RW8 | Coordinate (y) | |
| $0A | Screen 2 Window Right | xxxx xxxx | RW8 | Coordinate (x) | |
| $0B | Screen 2 Window Bottom | yyyy yyyy | RW8 | Coordinate (y) | |
| $0B | Sprite Window Left | xxxx xxxx | RW8 | Coordinate (x) | |
| $0C | Sprite Window Top | yyyy yyyy | RW8 | Coordinate (y) | |
| $0E | Sprite Window Right | xxxx xxxx | RW8 | Coordinate (x) | |
| $0F | Sprite Window Bottom | yyyy yyyy | RW8 | Coordinate (y) | |
| $10 | Screen 1 Scroll X | xxxx xxxx | RW8 | Coordinate (x) | |
| $11 | Screen 1 Scroll Y | yyyy yyyy | RW8 | Coordinate (y) | |
| $12 | Screen 2 Scroll X | xxxx xxxx | RW8 | Coordinate (x) | |
| $13 | Screen 2 Scroll Y | yyyy yyyy | RW8 | Coordinate (y) | |
| $14 | LCD Control | .... ..Ce | RW8 | Contrast (C)(WSC), Enable (e) | |
| $15 | LCD Icon Control | ..32 1hvs | RW8 | Auxillary 3 (3), Auxillary 2 (2), Auxillary 1 (1),
Horizontal (h), Vertical (v), Sleep (s) | |
| $16 | LCD Final Line | llll llll | RW8 | Line (l) | |
| $17 | LCD Back Porch Line(WSC) | llll llll | RW8 | Line (l) | |
| $1A | LCD Status | ...v vv.s | RW8 | Volume segment status (v), Sleep (s) | |
| $1C | LCD Mono Shade LUT 0/1 | 1111 0000 | RW8 | Shade index | |
| $1D | LCD Mono Shade LUT 2/3 | 3333 2222 | RW8 | Shade index | |
| $1E | LCD Mono Shade LUT 4/5 | 5555 4444 | RW8 | Shade index | |
| $1F | LCD Mono Shade LUT 6/7 | 7777 6666 | RW8 | Shade index | |
| $20 | LCD Mono Palette 0 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $22 | LCD Mono Palette 1 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $24 | LCD Mono Palette 2 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $26 | LCD Mono Palette 3 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $28 | LCD Mono Palette 4 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $2A | LCD Mono Palette 5 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $2C | LCD Mono Palette 6 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $2E | LCD Mono Palette 7 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $30 | LCD Mono Palette 8 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $32 | LCD Mono Palette 9 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $34 | LCD Mono Palette 10 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $36 | LCD Mono Palette 11 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $38 | LCD Mono Palette 12 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $3A | LCD Mono Palette 13 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $3C | LCD Mono Palette 14 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| $3E | LCD Mono Palette 15 | .333 .222 .111 .000 | RW16 | Shade LUT index | |
| DMA(color) | $40 | GDMA Source Address Low | llll llll llll llll | RW16 | Linear address, low 16 bits (l) |
| $42 | GDMA Source Address High | .... hhhh | RW8 | Linear address, high 4 bits (h) | |
| $44 | GDMA Destination Address | aaaa aaaa aaaa aaaa | RW16 | IRAM address (a) | |
| $46 | GDMA Length | bbbb bbbb bbbb bbbb | RW16 | Bytes (b) | |
| $48 | GDMA Control | ed.. .... | RW8 | Enable (e), Decrement (d) | |
| $4A | SDMA Source Address Low | llll llll llll llll | RW16 | Linear address, low 16 bits (l) | |
| $4C | SDMA Source Address High | .... hhhh | RW8 | Linear address, high 4 bits (h) | |
| $4E | SDMA Length Low | llll llll llll llll | RW16 | Length, low 16 bits (l) | |
| $50 | SDMA Length High | .... hhhh | RW8 | Length, high 4 bits (h) | |
| $52 | SDMA Control | ed.t r?ff | RW8 | Enable (e), Decrement (d), Target (t),
Repeat (r), Frequency (f) | |
| System(color) | $60 | System Control 2 | c4C. ?.?? | RW8 | Color (c), 4BPP (4), Chunky (C) |
| $62 | System Control 3 | S... ...p | RW8 | SwanCrystal (S), Power off (p) | |
| Hyper Voice(color) | $64 | Hyper Voice Left Output | ssss ssss ssss ssss | W16 | Raw sample (s) |
| $66 | Hyper Voice Right Output | ssss ssss ssss ssss | W16 | Raw sample (s) | |
| $68 | Hyper Voice Left Input | ssss ssss | 8 | Sample (s) | |
| $69 | Hyper Voice Right Input | ssss ssss | 8 | Sample (s) | |
| $6A | Hyper Voice Control | .mmc .... errr ffss | RW16 | Mask (m), Channel (c), Enable (e),
Rate (r), Format (f), Shift (s) | |
| Display(SC) | $70 | LCD Timing Configuration 1? | ???? ???? | RL8 | |
| $71 | LCD Timing Configuration 2? | ???? ???? | RL8 | ||
| $72 | LCD Timing Configuration 3? | ???? ???? | RL8 | ||
| $73 | LCD Timing Configuration 4? | ???? ???? | RL8 | ||
| $74 | LCD Timing Configuration 5? | ???? ???? | RL8 | ||
| $75 | LCD Timing Configuration 6? | ???? ???? | RL8 | ||
| $76 | LCD Timing Configuration 7? | ???? ???? | RL8 | ||
| $77 | LCD Timing Configuration 8? | ???? ???? | RL8 | ||
| Sound | $80 | Sound Channel 1 Frequency | .... .ddd dddd dddd | RW16 | Divider (d) |
| $82 | Sound Channel 2 Frequency | .... .ddd dddd dddd | RW16 | Divider (d) | |
| $84 | Sound Channel 3 Frequency | .... .ddd dddd dddd | RW16 | Divider (d) | |
| $86 | Sound Channel 4 Frequency | .... .ddd dddd dddd | RW16 | Divider (d) | |
| $88 | Sound Channel 1 Volume | llll rrrr | RW8 | Left (l), Right (r) | |
| $89 | Sound Channel 2 Volume | llll rrrr | RW8 | Left (l), Right (r) | |
| Sound Channel 2 Voice Sample | ssss ssss | RW8 | Sample (s) | ||
| $8A | Sound Channel 3 Volume | llll rrrr | RW8 | Left (l), Right (r) | |
| $8B | Sound Channel 4 Volume | llll rrrr | RW8 | Left (l), Right (r) | |
| $8C | Sound Channel 3 Sweep Amount | vvvv vvvv | RW8 | Value (v) | |
| $8D | Sound Channel 3 Sweep Ticks | ...t tttt | RW8 | Ticks (t) | |
| $8E | Sound Channel 4 Noise Control | ...e rttt | RW8 | Enable (e), Reset (r), Tap (t) | |
| $8F | Sound Wavetable Address | wwww wwww | RW8 | Address >> 6 (w) | |
| $90 | Sound Channel Control | nsv. 4321 | RW8 | Channel enable (1234)
Noise (n), Sweep (s), Voice (v) | |
| $91 | Sound Output Control | H... hrrs | RW8 | Headphones connected (H)
Headphone output (h) Speaker output (s), range (r) | |
| $92 | Sound Channel 4 LFSR Register | .rrr rrrr rrrr rrrr | R16 | PRNG state (r) | |
| $94 | Sound Channel 2 Voice Volume | .... lLrR | RW8 | Left Half (l), Full (L)
Right Half (r), Full (R) | |
| $96 | Sound Channel Output Right | .... ..ss ssss ssss | R16 | Sample (s) | |
| $98 | Sound Channel Output Left | .... ..ss ssss ssss | R16 | Sample (s) | |
| $9A | Sound Channel Output Sum | .... .sss ssss ssss | R16 | Sample (s) | |
| $9E | Sound Speaker Master Volume(color) | .... ..vv | R8 | ? | |
| System | $A0 | System Control | t??? swcl | RW8 | Test OK (t), ROM speed (s), ROM width (w),
Color system (c), Boot ROM lockout (l) |
| Timers | $A2 | Timer Control | .... VvHh | RW8 | Horizontal enable (h), auto reload (H)
Vertical enable (v), auto reload (V) |
| $A4 | Horizontal Blank Timer Reload | tttt tttt tttt tttt | RW16 | Ticks (t) | |
| $A6 | Vertical Blank Timer Reload | tttt tttt tttt tttt | RW16 | Ticks (t) | |
| $A8 | Horizontal Blank Timer Counter | tttt tttt tttt tttt | R16 | Ticks (t) | |
| $AA | Vertical Blank Timer Counter | tttt tttt tttt tttt | R16 | Ticks (t) | |
| Interrupts | $B0 | Interrupt Vector | VVVV V... | RW8 | Vector offset (v) |
| UART | $B1 | Serial Receive Data | dddd dddd | R8 | Receive buffer data (d) |
| $B1 | Serial Transmit Data | dddd dddd | W8 | Transmit buffer data (d) | |
| Interrupts | $B2 | Interrupt Enable | iiii iiii | RW8 | Interrupt index (i) |
| UART | $B3 | Serial Status | eb.. .tor | R8 | Enable (e), Baud rate (b),
Transfer ready (t), Overrun (o), Receive ready (r) |
| $B3 | Serial Control | ebO. .... | W8 | Enable (e), Baud rate (b), Reset Overrun (O) | |
| Interrupts | $B4 | Interrupt Status | iiii iiii | R8 | Interrupt index (i) |
| Keypad | $B5 | Keypad Scan | .iii oooo | RW8 | Input row (i), Output column (o) |
| Interrupts | $B6 | Interrupt Acknowledge | iiii iiii | R8? | Interrupt index (i) |
| $B7 | Interrupt NMI Control | ...b .... | RW8 | Low battery (b) | |
| Internal EEPROM | $BA | Internal EEPROM Data | dddd dddd dddd dddd | RW16 | Data (d) |
| $BC | Internal EEPROM Command | RW16 | |||
| $BE | Internal EEPROM Control | .... .... pewr .... | W16 | Protect (p), Erase (e), Write (w), Read (r) | |
| Internal EEPROM Status | .... .... p... ..RD | R16 | Protected (p), Ready (R), Done (D) | ||
| Cartridge | $C0 $FF |
Cartridge I/O | Forwarded by the SoC |
