prog8/examples/hello.p8
2020-08-27 18:10:22 +02:00

47 lines
1.1 KiB
Lua

%import c64lib
%import c64textio
%import c64flt
%zeropage basicsafe
main {
sub start() {
; set text color and activate lowercase charset
c64.COLOR = 13
c64.VMCSB |= 2
; use optimized routine to write text
txt.print("Hello!\n")
; use iteration to write text
str question = "How are you?\n"
ubyte char
for char in question
c64.CHROUT(char)
; use indexed loop to write characters
str bye = "Goodbye!\n"
for char in 0 to len(bye)-1
c64.CHROUT(bye[char])
float clock_seconds = ((mkword(c64.TIME_MID, c64.TIME_LO) as float) + (c64.TIME_HI as float)*65536.0) / 60
float hours = floor(clock_seconds / 3600)
clock_seconds -= hours*3600
float minutes = floor(clock_seconds / 60)
clock_seconds = floor(clock_seconds - minutes * 60.0)
txt.print("system time in ti$ is ")
c64flt.print_f(hours)
c64.CHROUT(':')
c64flt.print_f(minutes)
c64.CHROUT(':')
c64flt.print_f(clock_seconds)
c64.CHROUT('\n')
txt.print("bye!\n")
}
}