vice-reload.sh

#!/bin/sh

# Reload program and label definitions into a running x64sc session

# Send command to emulator's remote monitor
send () {
    echo "$1" | nc -N localhost 6510 >/dev/null
}

# Verify command line parameters
if test "$#" -lt 2; then
    echo "Usage: $0 <program-file> <labels-file> [start-address]"
    exit 1
fi

PROGRAM=$1
LABELS=$2
ADDRESS=$3

# Reset emulator
send "reset"
# Wait a bit for reset to finish when starting via RUN
# Assumes a kernal patched to bypass memory test
if ! test -n "$ADDRESS"; then sleep 0.1; fi

# Load new program file into memory
send "load \"$PROGRAM\" 0"

# Update labels
send "clear_labels"
send "load_labels \"$LABELS\""

if test -n "$ADDRESS"; then
    # Start using supplied address
    send "g $ADDRESS"
else
    # Start by issuing RUN command using keyboard buffer
    send "f 0277 027a 52 55 4e 0d"
    send "f 00c6 00c6 04"
fi

# Set breakpoint extracted from @break label
BREAKPOINT="$(grep "@break" $LABELS | head -1 | cut -d' ' -f2)"
if ! test -z "$BREAKPOINT"; then
    send "break $BREAKPOINT"
fi