collapseos/recipes/rc2014/glue.asm
Virgil Dupras 22e990ed89 Parametrize zasm linux bin's include CFS file
... instead of embedding it in the binary itself. Additionally, add a
"zasm.sh" wrapper to faciliate zasm calls on a linux machine.
2019-06-02 15:50:59 -04:00

42 lines
726 B
NASM

; classic RC2014 setup (8K ROM + 32K RAM) and a stock Serial I/O module
; The RAM module is selected on A15, so it has the range 0x8000-0xffff
.equ RAMSTART 0x8000
.equ RAMEND 0xffff
.equ ACIA_CTL 0x80 ; Control and status. RS off.
.equ ACIA_IO 0x81 ; Transmit. RS on.
jp init
; interrupt hook
.fill 0x38-$
jp aciaInt
#include "err.h"
#include "core.asm"
#include "parse.asm"
.equ ACIA_RAMSTART RAMSTART
#include "acia.asm"
.equ STDIO_RAMSTART ACIA_RAMEND
#include "stdio.asm"
.equ SHELL_RAMSTART STDIO_RAMEND
.equ SHELL_EXTRA_CMD_COUNT 0
#include "shell.asm"
init:
di
; setup stack
ld hl, RAMEND
ld sp, hl
im 1
call aciaInit
ld hl, aciaGetC
ld de, aciaPutC
call stdioInit
call shellInit
ei
jp shellLoop