diff options
Diffstat (limited to 'asm/ast_compiler_bootstrap.atk16')
| -rw-r--r-- | asm/ast_compiler_bootstrap.atk16 | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/asm/ast_compiler_bootstrap.atk16 b/asm/ast_compiler_bootstrap.atk16 index 7036291..18a345a 100644 --- a/asm/ast_compiler_bootstrap.atk16 +++ b/asm/ast_compiler_bootstrap.atk16 @@ -2,7 +2,9 @@ @use ext_std:* -@let sp RH +@let sp RH ; stack pointer (points to empty slot at top of stack) +@let fp RG ; frame pointer (points to base of currently active frame) + @let vector_table 0x10 @let vt_ISR0 0x10 ; ISR0 @let vt_ISR1 0x11 ; ISR1 @@ -30,6 +32,7 @@ @address 0x0 ldi vt_stack_addr RA ldr RA SP + mov SP FP jpi program_segment @address vector_table |