mirror of
https://github.com/nathanriggs/AppleIIAsm-Collection.git
synced 2024-12-11 09:49:17 +00:00
875dd80998
- fixed a bunch of bugs - separated common and stdio libraries - commenting upgrades - created min versions of each library
49 lines
1.4 KiB
Plaintext
49 lines
1.4 KiB
Plaintext
*
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*``````````````````````````````*
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* TMODE :: TEXT FILE OPS MODE *
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*- -*
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* THIS ROUTINE FOOLS DOS INTO *
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* THINKING IT IS IN NON- *
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* IMMEDIATE MODE. THIS IS *
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* TO ALLOW FOR READING AND *
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* WRITING OF TEXT FILES. *
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*- -*
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* CLOBBERS: *
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* *
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* FLAGS: ????---- REG: AXYM *
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*- -*
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* CYCLES: ??? *
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* SIZE: *
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*- -*
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* USAGE: *
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* *
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*- -*
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* ENTRY *
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* *
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* TOP OF STACK *
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* *
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* LOW BYTE OF RETURN ADDRESS *
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* HI BYTE OF RETURN ADDRESS *
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*- -*
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* EXIT *
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* *
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* TOP OF STACK *
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* *
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* LOW BYTE OF RETURN ADDRESS *
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* HI BYTE OF RETURN ADDRESS *
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* *
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* Y = UNCHANGED *
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* X = UNCHANGED *
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* A = CLOBBERED; TRASH *
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*,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,*
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*
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TMODE
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*
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LDA #$40
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STA LANG ; LANG = FP
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STA CURLIN+1 ; RUNNING PROG
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LDA #$06
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STA PROMPT ; NOT DIRECT MODE
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RTS
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*
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