mirror of
https://github.com/KarolS/millfork.git
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69 lines
1.2 KiB
Plaintext
69 lines
1.2 KiB
Plaintext
const word dlAddr = $3000
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const word lms1Addr = $4000
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const word lms2Addr = $4060
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const word lms3Addr = $40c0
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array(byte) dl @ dlAddr = [
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$70,$70,$70,
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$52, @word[lms1Addr],
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$52, @word[lms2Addr],
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$52, @word[lms3Addr],
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$41,lo(dlAddr),hi(dlAddr)
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]
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noinline asm void wait(byte register(a) f) {
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clc
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adc os_RTCLOK.b2
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.rt_check:
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cmp os_RTCLOK.b2
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bne .rt_check
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rts
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}
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void main() {
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word lms1 @ dlAddr + 4
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word lms2 @ dlAddr + 7
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word lms3 @ dlAddr + 10
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byte hscroli @ $80, a, b, c
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pointer screeni @ $82
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hscroli = $f
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screeni = lms1Addr
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wait(1)
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os_SDLST = dl.addr
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while true {
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if hscroli == $b {
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a = (pokey_random & 15) + 33
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b = (pokey_random & 15) + 33
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c = (pokey_random & 15) + 33
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screeni[0] = a
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screeni[$60] = b
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screeni[$c0] = c
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screeni[$30] = a
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screeni[$30 + $60] = b
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screeni[$30 + $c0] = c
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lms1 += 1
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lms2 += 1
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lms3 += 1
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screeni += 1
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if lms1 == lms1Addr + $30 {
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lms1 = lms1Addr
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lms2 = lms2Addr
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lms3 = lms3Addr
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screeni = lms1Addr
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}
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hscroli = $f
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}
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antic_hscrol = hscroli
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hscroli -= 1
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wait(1)
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}
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}
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