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40 lines
817 B
Lua
40 lines
817 B
Lua
%import textio
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%import verafx
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%zeropage basicsafe
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%option no_sysinit
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main {
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sub start() {
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const word MULTIPLIER = 431
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; verify results:
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for value in -50 to 50 {
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if value*MULTIPLIER != verafx.muls(value, MULTIPLIER) {
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txt.print("verafx muls error\n")
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sys.exit(1)
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}
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}
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word value
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txt.print("verafx muls...")
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cbm.SETTIM(0,0,0)
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for value in -50 to 50 {
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repeat 250 void verafx.muls(value, MULTIPLIER)
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}
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txt.print_uw(cbm.RDTIM16())
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txt.nl()
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txt.print("6502 muls...")
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cbm.SETTIM(0,0,0)
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for value in -50 to 50 {
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repeat 250 cx16.r0s = value*MULTIPLIER
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}
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txt.print_uw(cbm.RDTIM16())
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txt.nl()
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}
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}
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