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collapseos/emul/forth/glue1.asm
Virgil Dupras b335e538b4 Move "forth" folder to project's root folder
It's not really an App.
2020-03-18 22:25:44 -04:00

44 lines
817 B
NASM

; Warning: The offsets of native dict entries must be exactly the same between
; glue0.asm and glue1.asm
.equ LATEST CODE_END ; override
.inc "ascii.h"
.equ STDIO_PORT 0x00
jp init
.equ STDIO_RAMSTART RAMSTART
.equ STDIO_GETC emulGetC
.equ STDIO_PUTC emulPutC
.inc "stdio.asm"
.equ FORTH_RAMSTART STDIO_RAMEND
.inc "main.asm"
.inc "util.asm"
.inc "stack.asm"
.inc "dict.asm"
init:
di
; setup stack
ld sp, 0xffff
call forthMain
halt
emulGetC:
; Blocks until a char is returned
in a, (STDIO_PORT)
cp a ; ensure Z
ret
emulPutC:
out (STDIO_PORT), a
ret
.out $ ; should be the same as in glue0, minus 2
; stage0 spits, at the beginning of the binary, the address of the latest word
; Therefore, we can set the LATEST label to here and we should be good.
CODE_END:
.bin "core.bin"
RAMSTART: