| comment "subroutine prologue" |
| .macro gdbasm_enter |
| ldx _.frame |
| pshx |
| sts _.frame |
| .endm |
| |
| comment "subroutine epilogue" |
| .macro gdbasm_leave |
| pulx |
| stx _.frame |
| rts |
| .endm |
| |
| .macro gdbasm_call subr |
| jsr \subr |
| .endm |
| |
| .macro gdbasm_several_nops |
| nop |
| nop |
| nop |
| nop |
| .endm |
| |
| comment "exit (0)" |
| .macro gdbasm_exit0 |
| clra |
| clrb |
| wai |
| .endm |
| |
| comment "crt0 startup" |
| .macro gdbasm_startup |
| .sect .data |
| .globl _.frame |
| _.frame: .word 0 |
| .previous |
| lds #0x2000 |
| clr _.frame |
| clr _.frame+1 |
| .endm |
| |
| comment "Declare a data variable" |
| .macro gdbasm_datavar name value |
| .data |
| \name: |
| .long \value |
| .endm |
