mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 20:39:01 +00:00
44 lines
769 B
Text
44 lines
769 B
Text
Group DebugStub
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procedure Cls {
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# VidBase
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ESI = $B8000
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BeginLoop:
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# Text
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AL = $00
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ESI[0] = AL
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ESI++
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# Colour
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AL = $0A
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ESI[0] = AL
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ESI++
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# End of Video Area
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# VidBase + 25 * 80 * 2 = B8FA0
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If (ESI < $B8FA0) goto BeginLoop
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}
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procedure DisplayWaitMsg {
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# http://wiki.osdev.org/Text_UI
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# Later can cycle for x changes of second register:
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# http://wiki.osdev.org/Time_And_Date
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ESI = @..DebugWaitMsg
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# VidBase
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EDI = $B8000
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# 10 lines down, 20 cols in (10 * 80 + 20) * 2)
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EDI + 1640
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# Read and copy string till 0 terminator
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ReadChar:
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AL = ESI[0]
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if (AL = 0) goto AfterMsg
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ESI++
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EDI[0] = AL
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EDI + 2
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Goto ReadChar
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AfterMsg:
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}
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