cc65/asminc/creativision.inc

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