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separate module that contains a module constructor. In some cases, the code was even unnecessary, since the screen size is known in advance. git-svn-id: svn://svn.cc65.org/cc65/trunk@476 b7a2c559-68d2-44c3-8de9-860c34a00d81
46 lines
573 B
ArmAsm
46 lines
573 B
ArmAsm
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; Ullrich von Bassewitz, 06.08.1998
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; Low level stuff for screen output/console input
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.export initconio, doneconio
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.exportzp CURS_X, CURS_Y
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.import xsize, ysize
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.include "c128.inc"
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.include "../cbm/cbm.inc"
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.bss
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keyvec: .res 2
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.code
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initconio:
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; Save the old vector
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lda KeyStoreVec
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sta keyvec
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lda KeyStoreVec+1
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sta keyvec+1
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; Set the new vector. I can only hope that this works for other C128
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; versions...
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lda #<$C6B7
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ldx #>$C6B7
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SetVec: sei
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sta KeyStoreVec
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stx KeyStoreVec+1
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cli
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rts
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doneconio:
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lda keyvec
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ldx keyvec+1
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bne SetVec
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