prog8/examples/cx16/diskspeed.p8

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2022-11-14 16:55:55 +00:00
%import diskio
%import cx16diskio
%import floats
%zeropage basicsafe
%option no_sysinit
main {
ubyte[256] buffer = 0 to 255
const ubyte REPEATS = 2
sub print_speed(uword jiffies) {
if jiffies==0 {
txt.print("\n 0 jiffies measured, speed is extremely high\n")
return
}
2022-11-14 16:55:55 +00:00
float speed = 65536.0 * REPEATS / (jiffies as float / 60.0)
txt.nl()
txt.print_uw(jiffies)
txt.print(" jiffies = ")
floats.print_f(speed)
txt.print(" bytes/sec\n")
}
sub start() {
txt.print("\n\ndisk benchmark. repeats = ")
txt.print_ub(REPEATS)
uword batchtotaltime
txt.print("\n\nwriting 64kb using save")
batchtotaltime = 0
repeat REPEATS {
c64.SETTIM(0,0,0)
void diskio.save(8, "@:benchmark.dat", $100, 32768)
void diskio.save(8, "@:benchmark.dat", $100, 32768)
batchtotaltime += c64.RDTIM16()
txt.chrout('.')
}
print_speed(batchtotaltime)
txt.print("\nwriting 64kb sequentially")
batchtotaltime = 0
repeat REPEATS {
if diskio.f_open_w(8, "@:benchmark.dat") {
c64.SETTIM(0,0,0)
repeat 65536/256 {
if not diskio.f_write(buffer, 256)
sys.exit(1)
}
batchtotaltime += c64.RDTIM16()
diskio.f_close_w()
}
txt.chrout('.')
}
print_speed(batchtotaltime)
txt.print("\nreading 64kb using load into hiram")
batchtotaltime = 0
repeat REPEATS {
c64.SETTIM(0,0,0)
if not cx16diskio.load(8, "benchmark.dat", 4, $a000)
sys.exit(1)
batchtotaltime += c64.RDTIM16()
txt.chrout('.')
}
print_speed(batchtotaltime)
txt.print("\nreading 64kb using vload into videoram")
batchtotaltime = 0
repeat REPEATS {
c64.SETTIM(0,0,0)
if not cx16diskio.vload("benchmark.dat", 8, 0, $0000)
sys.exit(1)
batchtotaltime += c64.RDTIM16()
txt.chrout('.')
}
print_speed(batchtotaltime)
txt.print("\nreading 64kb sequentially")
batchtotaltime = 0
repeat REPEATS {
if diskio.f_open(8, "benchmark.dat") {
c64.SETTIM(0,0,0)
repeat 65536/255 {
if not diskio.f_read(buffer, 255)
sys.exit(1)
}
batchtotaltime += c64.RDTIM16()
diskio.f_close()
}
txt.chrout('.')
}
print_speed(batchtotaltime)
txt.print("\nreading 64kb sequentially (x16 optimized)")
batchtotaltime = 0
repeat REPEATS {
if diskio.f_open(8, "benchmark.dat") {
c64.SETTIM(0,0,0)
repeat 65536/255 {
if not cx16diskio.f_read(buffer, 255)
sys.exit(1)
}
batchtotaltime += c64.RDTIM16()
diskio.f_close()
}
txt.chrout('.')
}
print_speed(batchtotaltime)
txt.nl()
txt.print(diskio.status(8))
txt.print("\ndone.\n")
}
}