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35 lines
1.1 KiB
ArmAsm
35 lines
1.1 KiB
ArmAsm
;
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; 2010-11-14, Ullrich von Bassewitz
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; 2016-03-17, Greg King
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;
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; This module supplies a small BASIC stub program that uses CALL
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; to jump to the machine-language code that follows it.
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;
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; The following symbol is used by the linker config. file
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; to force this module to be included into the output file.
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.export __BASHDR__:abs = 1
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.segment "BASHDR"
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.addr Next
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.word .version ; Line number
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.byte $BF,'#' ; CALL token, mark number as hexadecimal
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.byte <(Start >> 8 ) + '0' + (Start >> 8 > $09) * $07
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.byte <(Start >> 4 & $0F) + '0' + (Start >> 4 & $0F > $09) * $07
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.byte <(Start & $0F) + '0' + (Start & $0F > $09) * $07
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.byte $00 ; End of BASIC line
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Next: .addr $0000 ; BASIC program end marker
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Start:
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; ------------------------------------------------------------------------
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; This padding is needed by a bug in the ROM.
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; (The CLOAD command starts BASIC's variables table on top of the last byte
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; that was loaded [instead of at the next address].)
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.segment "BASTAIL"
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.byte 0
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