mirror of
https://github.com/irmen/prog8.git
synced 2024-11-23 07:32:10 +00:00
48 lines
1.2 KiB
Lua
48 lines
1.2 KiB
Lua
%target c64
|
|
%import textio
|
|
%import syslib
|
|
%zeropage basicsafe
|
|
%option no_sysinit
|
|
%launcher none
|
|
%address 50000
|
|
|
|
; This example shows the directory contents of disk drive 8.
|
|
; You load it with LOAD "diskdir-sys50000",8,1
|
|
; and then call it with SYS 50000.
|
|
|
|
main {
|
|
sub start() {
|
|
txt.print("directory of disk drive #8:\n\n")
|
|
diskdir(8)
|
|
}
|
|
|
|
sub diskdir(ubyte drivenumber) {
|
|
c64.SETNAM(1, "$")
|
|
c64.SETLFS(1, drivenumber, 0)
|
|
c64.OPEN() ; open 1,8,0,"$"
|
|
c64.CHKIN(1) ; use #1 as input channel
|
|
|
|
repeat 4 {
|
|
void c64.CHRIN() ; skip the 4 prologue bytes
|
|
}
|
|
|
|
; while not key pressed / EOF encountered, read data.
|
|
while not (@($c6) | c64.STATUS) {
|
|
txt.print_uw(mkword(c64.CHRIN(), c64.CHRIN()))
|
|
txt.chrout(' ')
|
|
ubyte @zp char
|
|
do {
|
|
char = c64.CHRIN()
|
|
txt.chrout(char)
|
|
} until char==0
|
|
txt.chrout('\n')
|
|
repeat 2 {
|
|
void c64.CHRIN() ; skip 2 bytes
|
|
}
|
|
}
|
|
|
|
c64.CLOSE(1)
|
|
c64.CLRCHN() ; restore default i/o devices
|
|
}
|
|
}
|