MatthiasQuintern/6502-OS
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add guard

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matthias@rpi 2023-11-09 12:08:26 +01:00
parent cb203bf62d
commit 60f42f2d90
1 changed files with 3 additions and 0 deletions
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3
system/lcd.s65
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@ -13,6 +13,8 @@
; @optparam LCD_MEM: Memory address for a runtime variable. Default = $300 ; @optparam LCD_MEM: Memory address for a runtime variable. Default = $300
; @depends IO-W65C22N ; @depends IO-W65C22N
;******************************************************************************** ;********************************************************************************
.ifndef INCLUDE_LCD
INCLUDE_LCD = 1
.ifndef LCD_IO .ifndef LCD_IO
.fatal "LCD_IO is not defined: set it to the base address of the IO chip of the LCD" .fatal "LCD_IO is not defined: set it to the base address of the IO chip of the LCD"
@ -228,3 +230,4 @@ LCD_CLEAR = %00000000
jsr _lcd_cmd jsr _lcd_cmd
rts rts
.endproc .endproc
.endif