mirror of
https://github.com/ksherlock/itty-bitty-vtty.git
synced 2024-11-21 20:30:56 +00:00
77ec62a091
Also, enable modem, vt100 as default Also, erase screen before switching to 80-column mode to prevent unsightly flashes.
42 lines
781 B
ArmAsm
42 lines
781 B
ArmAsm
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CLR80VID equ $c00c
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SET80VID equ $c00d
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CLRALTCHAR equ $c00e
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SETALTCHAR equ $c00f
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TXTSET equ $c051
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KEYMOD equ $c025
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KEYSTROBE equ $c010
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KBD equ $c000
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VGCINT equ $c023
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SCANINT equ $c032
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RDCARDRAM equ $c003
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RDMAINRAM equ $c002
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WRCARDRAM equ $c005
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WRMAINRAM equ $c004
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* modem port / printer port
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SCCBREG equ $c038
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SCCAREG equ $c039
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SCCBDATA equ $c03a
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SCCADATA equ $c03b
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* Sound GLU
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SGCONTROL equ $c03c ; Sound GLU control register
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SGDATA equ $c03d ; Sound GLU data register
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SGADDRL equ $c03e ; Sound GLU address reg low
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SGADDRH equ $c03f ; Sound GLU address reg high
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* interrupt vectors. JMP ABSLONG.
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IRQ1SEC equ $e10054
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IRQMOUSE equ $e10034
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IRQQTR equ $e10038
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IRQVBL equ $e10030
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IRQSND equ $e1002c
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IRQSCAN equ $e10028
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IRQSERIAL equ $e10024
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IRQATALK equ $e10020
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