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creativision.inc: add symbolic names for joystick direction values

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This commit is contained in:
Christian Groessler 2017-03-08 13:16:40 +01:00
parent e7cf8fb45c
commit 97e3472c87
1 changed files with 18 additions and 0 deletions
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asminc/creativision.inc
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@ -36,6 +36,24 @@ ZP_JOY1_DIR = $13
ZP_JOY0_BUTTONS = $16
ZP_JOY1_BUTTONS = $17
;** Joystick direction values (ZP_JOY0_DIR/ZP_JOY1_DIR)
JOY_N = $49
JOY_NNE = $48
JOY_NE = $47
JOY_ENE = $46
JOY_E = $45
JOY_ESE = $44
JOY_SE = $43
JOY_SSE = $42
JOY_S = $41
JOY_SSW = $40
JOY_SW = $4F
JOY_WSW = $4E
JOY_W = $4D
JOY_WNW = $4C
JOY_NW = $4B
JOY_NNW = $4A
;** BIOS
BIOS_IRQ1_ADDR = $FF3F
BIOS_IRQ2_ADDR = $FF52