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Memory Map

  • 0000-00FFh CPU ZERO PAGE
    • 00FEh - address of FFE8h vector
  • 0100-01FFh CPU STACK
  • 0200-03FFh MONITOR AND SYSTEM AREA
    • 0201h - SPECIAL CHARS mem page ptr (0 - use system mem page - E000h)
    • 0202h - UPPERCASE CHARS mem page ptr
    • 0203h - LOWERCASE CHARS mem page ptr
    • 0214h - address of (FFFF) FFEB vector
    • 0216h - address of INKEY (E71C) (FFEE vector)
    • 0218h - address of PUTC (E762) (FFF1 vector)
    • 021Ah - address of (FFFF) FFF4 vector
    • 021Ch - address of (FFFF) FFF7 vector
    • 021Eh - address of IRQ (HW) handler
    • 0220h - address of NMI handler
    • 0222h - address of BRK (SW) handler
    • 0280h - start of MONITOR input buffer
  • 0400-5FFFh USER RAM (23K)
  • 6000-7FFFh VIDEO RAM (8K)
  • 8000-9FFFh HARDWARE IO AREA
    • 87FFh - tape input
    • 8800h - sound flip/flop
  • A000-AFFFh EXTENSION AREA
  • B000-BFFFh DOS ROM
  • C000-DFFFh BASIC ROM
  • E000-FFFFh SYSTEM/MONITOR ROM
    • E000h - Character generator
      • E000h - SPECIAL CHARS
      • E100h - UPPERCASE CHARS
      • E200h - LOWERCASE CHARS
    • E39Dh - SET CUR POS x:$E9 y:$E8 (p.173)
    • E4F4h - BEEP sound
    • E500h - ispitivanje KOJI je taster pritisnut GETC(A) -> $FC
    • E5B0h - ispitivanje DA LI je taster pritisnut
    • E63Bh - PUTS(h:A,l:Y) - terminate str with 0x04 (p.172)
    • E71Ch - unos znaka sa prikazom na ekranu - INKEY
    • E762h - PUTC(A) (p.160)
    • E79Fh - PADDLE rutina
    • E7B7h - prazna petlja za kašnjenje
    • E7DCh - ispis jednog praznog mjesta na ekran
    • E7E4h - ispis cetiri prazna mjesta (TAB 4)
    • E7EDh - konvertira akumulator A u hex ASCII vrijednost za ispis ($4 -> 52, $C -> 66)
    • E7F6h - ispis CR+LF na ekran
    • E800h - ispis praznog mjesta+sadrzaj akumulatora (heksa.)
    • E803h - ispis sadrzaj akumulatora (heksa.) (p.173)
    • E817h - ispis sadrzaja programskog brojila (hex)
    • E620h - adresa (B) BASIC BC/BW
    • E906h - adresa (U addr) EXEC
    • E90Eh - adresa (E start end) HEX DUMP
    • EAD0h - adresa (C start end) SUM
    • EBO9h - adresa (Q dest start end) COPY
    • EB48h - adresa (F start end b) FILL
    • EB6Ah - adresa (M [addr]) MEMORY EDIT
    • EBABh - adresa (A [addr]) ASSEMBLE
    • EC80h - adresa (X [addr]) DISASSEMBLE
    • EED0h - adresa (H [start] [end]) HEX DUMP + ASCII
    • EF57h - adresa (#nnnn) HEX2DEC
    • FE69h - PLOT x:$E2 y:$E3
    • FE8bh - DRAW x:$E2 y:$E3 x2:$E4 y2:$E5
    • FF06h - CIR x:$E2 y:$E3 r:$F8
    • FF72h - system IRQ/BRK handler
    • FF83h - system NMI handler
    • FF89h - system RESET handler
    • FFE8h - VECTOR JMP (00FE) ???
    • FFEBh - VECTOR JMP (0214) ???
    • FFEEh - VECTOR JMP (0216) INKEY->A
    • FFF1h - VECTOR JMP (0218) PUTC(A) (p.171)
    • FFF4h - VECTOR JMP (021A) ???
    • FFFAh - VECTOR JMP (021C) ???
    • FFFAh - address of NMI handler (FF83)
    • FFFCh - address of reset handler (FF89)
    • FFFEh - address of IRQ handler (FF72)

Keyboard

see page 182-183

Notes

  • PUTC and OUTCH used interchangeably

References

  • Orao_prirucnik_102_103.pdf pg. 106