mirror of
https://github.com/cc65/cc65.git
synced 2024-12-23 04:30:10 +00:00
af3d4581d3
It won't waste space in a cartridge if it isn't used.
67 lines
1.7 KiB
PHP
67 lines
1.7 KiB
PHP
;*
|
|
;** VTech Creativision Definitions
|
|
;*
|
|
|
|
;** Screen
|
|
SCREEN_ROWS = 24
|
|
SCREEN_COLS = 32
|
|
SCREEN_PTR := $3A
|
|
CURSOR_X := $3C
|
|
CURSOR_Y := $3D
|
|
|
|
;** VDP
|
|
VDP_DATA_R := $2000
|
|
VDP_STATUS_R := $2001
|
|
VDP_DATA_W := $3000
|
|
VDP_CONTROL_W := $3001
|
|
|
|
;** PIA
|
|
PIA0_DATA := $1000
|
|
PIA0_STATUS := $1001
|
|
PIA1_DATA := $1002
|
|
PIA1_STATUS := $1003
|
|
|
|
;** General
|
|
CH_VLINE = 33
|
|
CH_HLINE = 34
|
|
CH_ULCORNER = 35
|
|
CH_URCORNER = 36
|
|
CH_LLCORNER = 37
|
|
CH_LRCORNER = 38
|
|
|
|
;** I/O (Zero-page variables)
|
|
ZP_KEYBOARD := $10
|
|
ZP_JOY0_DIR := $11
|
|
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 routines
|
|
BIOS_NMI_RESET_ADDR := $F808
|
|
BIOS_PLAY_TUNE1 := $FBD6
|
|
BIOS_PLAY_SONG := $FBED
|
|
BIOS_PLAY_TUNE2 := $FCE6
|
|
BIOS_WRITE_VDP_REG := $FE1F
|
|
BIOS_QUIET_PSG := $FE54
|
|
BIOS_POKE_PSG := $FE77
|
|
BIOS_IRQ1_ADDR := $FF3F
|
|
BIOS_IRQ2_ADDR := $FF52
|