mirror of
https://github.com/mist64/msbasic.git
synced 2024-06-24 10:29:27 +00:00
53 lines
916 B
ArmAsm
53 lines
916 B
ArmAsm
; configuration
|
|
CONFIG_DATAFLAG := 1
|
|
CONFIG_NULL := 1
|
|
CONFIG_PRINT_CR := 1 ; print CR when line end reached
|
|
CONFIG_SCRTCH_ORDER := 3
|
|
CONFIG_SMALL := 1
|
|
|
|
; zero page
|
|
ZP_START = $5B
|
|
ZP_HOLE = $00
|
|
|
|
JMPADRS = DSCLEN + 1
|
|
LOWTRX = LOWTR
|
|
|
|
GORESTART := $0000
|
|
GOSTROUT := $0003
|
|
GOAYINT := $0006
|
|
GOGIVEAYF := $0008
|
|
|
|
USR := $000A
|
|
|
|
Z15 := $000D
|
|
POSX := $000E
|
|
Z17 := $000F
|
|
Z18 := $0010
|
|
LINNUM := $0011
|
|
|
|
TXPSV := $0011
|
|
INPUTBUFFER := $0013
|
|
INPUTBUFFERX := $0000
|
|
|
|
; constants
|
|
STACK_TOP := $FC
|
|
SPACE_FOR_GOSUB := $33
|
|
NULL_MAX := $0A
|
|
CRLF_1 := CR
|
|
CRLF_2 := LF
|
|
|
|
; memory layout
|
|
RAMSTART2 := $0300
|
|
|
|
; magic memory locations
|
|
L0207 := $0207
|
|
L020A := $020A
|
|
|
|
; monitor functions
|
|
MONRDKEY := $FFEB
|
|
MONCOUT := $FFEE
|
|
MONISCNTC := $FFF1
|
|
LOAD := $FFF4
|
|
SAVE := $FFF7
|
|
|