📄 qemu_ioport.txt
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-------------------------------------------------------------------------------0278-027E ---- parallel printer port, same as 0378 and 03BC0278 w data port0279 r/w status port027A r/w control port-------------------------------------------------------------------------------02A0-02A7 ---- Sunshine EW-901BN, EW-904BN EPROM writer card (release 1986) for EPROMs up to 2751202A0-02A3 adresses of the 8255 on the EW-90xBN-------------------------------------------------------------------------------02A2-02A3 ---- MSM58321RS clock-------------------------------------------------------------------------------02B0-02BF ---- Trantor SCSI adapter-------------------------------------------------------------------------------02B0-02DF ---- alternate EGA, primary EGA at 03C0-------------------------------------------------------------------------------02C0-02Cx ---- AST-clock-------------------------------------------------------------------------------02E0-02EF ---- GPIB (General Purpose Interface Bus, IEEE 488 interface) (GAB 0 on XT)02E1 GPIB (adapter 0)02E202E3-------------------------------------------------------------------------------02E0-02EF ---- data aquisition (AT)02E2 data aquisition (adapter 0)02E3 data aquisition (adapter 0)-------------------------------------------------------------------------------02E8 ---- S3 86C928 video controller (ELSA Winner 1000)-------------------------------------------------------------------------------02E8-02EF ---- serial port, same as 02F8, 03E8 and 03F8-------------------------------------------------------------------------------02E8-02EF ---- 8514/A and compatible video cards (e.g. ATI Graphics Ultra)02E8 r display status02E8 w horizontal total02EA w DAC mask02EB w DAC read index02EC w DAC write index02ED w DAC data-------------------------------------------------------------------------------02EA ---- S3 86C928 video controller (ELSA Winner 1000)-------------------------------------------------------------------------------02F8-02FF ---- serial port, same as 02E8, 03E8 and 03F802F8 w transmitter holding register02F8 r receiver buffer register r/w divisor latch, low byte when DLAB=102F9 r/w divisor latch, high byte when DLAB=1 r/w interrupt enable register when DLAB=002FA r interrupt identification register02FB r/w line control register02FC r/w modem control register02FD r line status register02FF r/w scratch register-------------------------------------------------------------------------------0300 ---- Award POST Diagnostic-------------------------------------------------------------------------------0300-0301 ---- Soundblaster 16 ASP MPU-Midi-------------------------------------------------------------------------------0300-0303 ---- Panasonic 52x CD-ROM SCSI Miniport Alternate addresses at 0320, 0340, 0360, and 0380-------------------------------------------------------------------------------0300-030F ---- Philips CD-ROM player CM50-------------------------------------------------------------------------------0300-030F ---- CompaQ Tape drive adapter. alternate address at 0100-------------------------------------------------------------------------------0300-031F ---- prototype cards Periscope hardware debugger-------------------------------------------------------------------------------0310-031F ---- Philips CD-ROM player CM50-------------------------------------------------------------------------------0320-0323 ---- XT HDC 1 (Hard Disk Controller)0320 r/w data register0321 w reset controller r read controller hardware status bit 7-6 = 0 bit 5 logical unit number bit 4-2 = 0 bit 1 = 0 no error bit 0 = 0 0322 r read DIPswitch setting on XT controller card w generate controller-select pulse0323 w write pattern to DMA and INT mask register0324-0327 ---- XT HDC 2 (Hard Disk Controller)0328-032B ---- XT HDC 3 (Hard Disk Controller)032C-032F ---- XT HDC 4 (Hard Disk Controller)-------------------------------------------------------------------------------0330-0331 ---- MIDI interface-------------------------------------------------------------------------------0330-0333 ---- Adaptec 154xB/154xC SCSI adapter. default address. alternate address at 0130, 0134, 0230, 0234 and 0334-------------------------------------------------------------------------------0330-033F ---- CompaQ SCSI adapter. alternate address at 0130-------------------------------------------------------------------------------0330-033F ---- Philips CD-ROM player CM50-------------------------------------------------------------------------------0334-0337 ---- Adaptec 154xB/154xC SCSI adapter. alternate address at 0130, 0134, 0230, 0234 and 0330-------------------------------------------------------------------------------0338 ---- AdLib soundblaster card-------------------------------------------------------------------------------0340-034F ---- Philips CD-ROM player CM50-------------------------------------------------------------------------------0340-034F ---- SCSI (1st Small Computer System Interface) adapter (alternate at 0140-014F)-------------------------------------------------------------------------------0340-034F ---- Gravis Ultra Sound by Advanced Gravis The I/O address range is dipswitch selectable from: 0200-020F and 0300-030F 0210-021F and 0310-031F 0220-022F and 0320-032F 0230-023F and 0330-033F 0240-024F and 0340-034F 0250-025F and 0350-035F 0260-026F and 0360-036F 0270-027F and 0370-037F 0340 w MIDI Control bit 7 Receive IRQ (1 = enabled) bit 5-6 Xmit IRQ bit 0-1 Master Reset (1 = enabled) r MIDI Status bit 7 Interrupt pending bit 5 Overrun Error bit 4 Framing Error bit 1 Transmit Register Empty bit 0 Receive Register Empty0341 w MIDI Transmit Data r MIDI Receive Data0342 r/w GF1 Page Register / Voice Select0343 r/w GF1/Global Register Select Global Registers, NOT voice specific: 41 r/w DRAM DMA Control bit 7 Invert MSB bit 6 Data Size (8/16 bits) bit 5 DMA Pending bit 3-4 DMA Rate Divider bit 2 DMA Channel Width (8/16 bits) bit 1 DMA Direction (1 = read) bit 0 DMA Enable 42 w DMA Start Address bits 15-0 DMA Address Lines 19-4 43 w DRAM I/O Address LOW 44 w DRAM I/O Address HIGH bits 0-3 Upper 4 Address Lines 45 r/w Timer Control bit 3 Enable Timer 2 bit 2 Enable Timer 1 46 w Timer 1 Count (granularity of 80 micro sec) 47 w Timer 2 Count (granulatity of 320 micro sec) 48 w Sampling Frequency rate = 9878400 / (16 * (FREQ + 2)) 49 r/w Sampling Control bit 7 Invert MSB bit 6 DMA IRQ pending bit 5 DMA IRQ enable bit 2 DMA width (8/16 bits) bit 1 Mode (mone/stereo) bit 0 Start Sampling 4B w Joystick Trim DAC 4C r/w RESET bit 2 GF1 Master IRQ Enable bit 1 DAC Enable bit 0 Master Reset Voice specific registers: 00 w Voice Control bit 7 IRQ pending bit 6 Direction bit 5 Enable WAVE IRQ bit 4 Enable bi-directional Looping bit 3 Enable Looping bit 2 Size data (8/16 bits) bit 1 Stop Voice bit 0 Voice Stopped 01 w Frequency Control bit 15-10 Integer Portion bit 9-1 Fractional Portion 02 w Start Address HIGH bit 12-0 Address Lines 19-7 03 w Start Address LOW bit 15-9 Address Lines 6-0 bit 8-5 Fractional Part of Start Address 04 w End Address HIGH bit 12-0 Address Lines 19-7 05 w End Address LOW bit 15-9 Address Lines 6-0 bit 8-5 Fractional Part of End Address 06 w Volume Ramp Rate bit 5-0 Amount added bit 7-6 Rate 07 w Volume Ramp Start bit 7-4 Exponent bit 3-0 Mantissa 08 w Volume Ramp End bit 7-4 Exponent bit 3-0 Mantissa 09 w Current Volume bit 15-12 Exponent bit 11-4 Mantissa 0A w Current Address HIGH bit 12-0 Address Lines 19-7 0B w Current Address LOW bit 15-9 Address Lines 6-0 bit 8-0 Fractional Position 0C w Pan Position bit 3-0 Pan Postion 0D w Volume Control bit 7 IRQ Pending bit 6 Direction bit 5 Enable Volume Ramp IRQ bit 4 Enable bi-directional Looping bit 3 Enable Looping bit 2 Rollover Condition bit 1 Stop Ramp bit 0 Ramp Stopped 0E w Active Voices bit 5-0 #Voices -1 (allowed 13 - 31) 0F w IRQ Source Register bit 7 WaveTable IRQ pending bit 6 Volume Ramp IRQ pending bit 4-0 Voice Number 80 r Voice Control (see 00) 81 r Frequency Control (see 01) 82 r Start Address HIGH (see 02) 83 r Start Address LOW (see 03) 84 r End Address HIGH (see 04) 85 r End Address LOW (see 05) 86 r Volume Ramp Rate (see 06) 87 r Volume Ramp Start (see 07) 88 r Volume Ramp End (see 08) 89 r Current Volume (see 09) 8A r Current Address HIGH (see 0A) 8B r Current Address LOW (see 0B) 8C r Pan Position (see 0C) 8D r Volume Control (see 0D) 8E r Active Voices (see 0E) 8F r IRQ Status (see 0F) 0344 r/w GF1/Global Data Low Byte (16 bits)0345 r/w GF1/Global Data High Byte (8 bits)0346 w Mixer Data Port0347 r/w GF1 DRAM Direct Read Write at Loction pointed with regs 43 and 44SeeAlso: 0240-024F, 0746 -------------------------------------------------------------------------------0340-0357 ---- RTC (1st Real Time Clock for XT), (alternate at 0240-0257) (used by TIMER.COM v1.2 which is the 'standard' timer program)0340 r/w 0.01 seconds 0-990341 r/w 0.1 seconds 0-990342 r/w seconds 0-590343 r/w minutes 0-590343 r/w hours 0-230345 r/w day of week 1-70346 r/w day of month 1-310347 r/w month 1-1203480349 r/w year 0-99034A034B034C034D034E034F0350 r status?0351 035203530354 r status?035503560357-------------------------------------------------------------------------------0348-0357 ---- DCA 3278-------------------------------------------------------------------------------034C-034F ---- Gravis UltraMax by Advanced Gravis The I/O address range is dipswitch selectable from: 0200-020F and 0300-030F 0210-021F and 0310-031F 0220-022F and 0320-032F 0230-023F and 0330-033F 0240-024F and 0340-034F 0250-025F and 0350-035F 0260-026F and 0360-036F 0270-027F and 0370-037F-------------------------------------------------------------------------------035A-035B ---- Adaptec AH1520 jumper settings035A r bit 7: SCSI parity disabled bits 6-5: DMA channel (00 = channel 0, 01 = 5, 10 = 6, 11 = 7) bits 4-3: IRQ number (00 = IRQ9, 01 = IRQ10, 10 = IRQ11, 11 = IRQ12) bits 2-0: SCSI ID035B r bit 7: DMA transfer mode (clear for PIO) bit 6: boot enabled bits 5-4: boot type 00 ??? 01 boot from floppy 10 print configured options 11 boot from hard disk bit 3: enable sync negotiation bit 2: enable target disconnection bits 1-0: unused???-------------------------------------------------------------------------------035F ---- ARTEC Handyscanner A400Z. alternate address at 15F.-------------------------------------------------------------------------------0360-036F ---- PC network (AT)0360-0367 ---- PC network (XT only)-------------------------------------------------------------------------------0360-036F ---- National Semiconductor DP8390(1)C/NS3249C network chipsetNote: cards based on this IEEE 802.3 networking chipset can use any range of 16 consecutive addresses, and provide a total of four pages of sixteen registerPage 0 r w00 Command reg. CR Command reg. CR01 current local DMA address 0 CLDA0 page start reg. PSTART02 current local DMA address 1 CLDA1 page stop reg. PSTOP03 boundary pointer BNRY boundary pointer BNRY04 transmit status reg. TSR Tx page start address TPSR05 number of collisions reg. NCR Tx byte count reg.0 TBCR0 06 FIFO Tx byte⌨️ 快捷键说明
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