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https://github.com/mist64/msbasic.git
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48 lines
833 B
ArmAsm
48 lines
833 B
ArmAsm
; configuration
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CONFIG_DATAFLAG := 1
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CONFIG_NULL := 1
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CONFIG_PRINT_CR := 1 ; print CR when line end reached
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CONFIG_SCRTCH_ORDER := 3
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CONFIG_SMALL := 1
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; zero page
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ZP_START0 = $00
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ZP_START1 = $5B
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ZP_START2 = $65
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JMPADRS = DSCLEN + 1
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LOWTRX = LOWTR
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USR := $000A
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Z15 := $000D
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POSX := $000E
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Z17 := $000F
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Z18 := $0010
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LINNUM := $0011
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INPUTBUFFER := $0013
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TXPSV := $0011
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INPUTBUFFERX := $0000
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; constants
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STACK_TOP := $FC
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SPACE_FOR_GOSUB := $33
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NULL_MAX := $0A
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CRLF_1 := CR
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CRLF_2 := LF
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; memory layout
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RAMSTART2 := $0300
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; magic memory locations
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L0207 := $0207
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L020A := $020A
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; monitor functions
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MONRDKEY := $FFEB
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MONCOUT := $FFEE
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MONISCNTC := $FFF1
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LOAD := $FFF4
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SAVE := $FFF7
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