Epson PX-4 BIOS subroutines (OSRM,3.4.2,  II-97)

-03h BOOT       Performs a cold BOOT
 00h WBOOT      Performs a warm BOOT
 03h CONST      Returns the console input status.
 06h CONIN      Inputs one character to the console.
 09h CONOUT     Outputs one character to the console.
 0Ch LIST       Outputs one character to the LIST device.
 0Fh PUNCH      Outputs one character to the PUNCH device.
 12h READER     Inputs one character from the READER device.
 15h HOME       Positions the disk head to track 00.
 18h SELDSK     Specifies the device.
 1Bh SETTRK     Specifies the track for read or write.
 1Eh SETSEC     Specifies the sector for read or write.
 21h SETDMA     Specifies the DMA starting address for the read or write.
 24h READ       Reads the specified sector
 27h WRITE      Writes data to the specified sector.
 2Ah LISTST     Returns the status of the list device.
 2Dh SECTRN     Translates a logical sector to a physical sector.
 30h PSET       Converts graphic screen data for display.
 33h SCRNDUMP   Takes a hard copy of the displayed data.
 36h BEEP       Sounds the speaker.
 39h RSOPEN     -
 3Ch RSCLOSE    -
 3Fh RSINST     -
 42h RSOUTST    -
 45h RSIN       -
 48h RSOUT      -
 4Bh TIMDAT     Returns time information.
 4Eh (MEMORY)   Returns the current bank status.
 51h RSIOX      Performs serial communication functions
 54h (LIGHTPEN) -
 57h MASKI      Sets or resets the interrupt mask.
 5Ah LOADX      Reads the data in the specified bank.
 5Dh STORX      Writes data into the specified bank.
 60h LDIRX      Transfers data from the specified bank.
 63h JUMPX      Jumps to the specified bank address.
 66h CALLX      Calls the subroutine at the specified bank address.
 69h GETPFK     Gets a PF key.
 6Ch PUTPFK     Defines a PF key.
 6Fh READSW     Read switch settings.
 72h SLAVE      -
 75h RDVRAM     Read the contents of VRAM.
 78h MCMTX      Process communication with MIOS.
 7Bh POWEROFF   Turns main power off.
 7Eh USERBIOS   Gives the entry point to the User BIOS.
 81h AUTOST     Specifies an auto start string.
 84h RESIDENT   Specifies Resident.
 87h CONTINUE   Sets or resets the continue mode.