| # Macros for the fake ISA. Keep in sync with example-synacor/README.arch-spec. |
| |
| # These .set macros will generate symbols in the output ELF, but it also allows |
| # use to use them as arguments to the insns below. Oh well. |
| .set r0, 32768 |
| .set r1, r0+1 |
| .set r2, r0+2 |
| .set r3, r0+3 |
| .set r4, r0+4 |
| .set r5, r0+5 |
| .set r6, r0+6 |
| .set r7, r0+7 |
| |
| # The target is little endian, so make sure we output the 16-bit words as such. |
| .macro _op op:req, more:vararg |
| .byte \op & 0xff, (\op >> 8) & 0xff |
| .ifnb \more |
| _op \more |
| .endif |
| .endm |
| |
| .macro HALT |
| _op 0 |
| .endm |
| |
| .macro SET a:req, b:req |
| _op 1, \a, \b |
| .endm |
| |
| .macro PUSH a:req |
| _op 2, \a |
| .endm |
| |
| .macro POP a:req |
| _op 3, \a |
| .endm |
| |
| .macro EQ a:req, b:req, c:req |
| _op 4, \a, \b, \c |
| .endm |
| |
| .macro GT a:req, b:req, c:req |
| _op 5, \a, \b, \c |
| .endm |
| |
| .macro JMP a:req |
| _op 6, \a |
| .endm |
| |
| .macro JT a:req, b:req |
| _op 7, \a, \b |
| .endm |
| |
| .macro JF a:req, b:req |
| _op 8, \a, \b |
| .endm |
| |
| .macro ADD a:req, b:req, c:req |
| _op 9, \a, \b, \c |
| .endm |
| |
| .macro MULT a:req, b:req, c:req |
| _op 10, \a, \b, \c |
| .endm |
| |
| .macro MOD a:req, b:req, c:req |
| _op 11, \a, \b, \c |
| .endm |
| |
| .macro AND a:req, b:req, c:req |
| _op 12, \a, \b, \c |
| .endm |
| |
| .macro OR a:req, b:req, c:req |
| _op 13, \a, \b, \c |
| .endm |
| |
| .macro NOT a:req, b:req |
| _op 14, \a, \b |
| .endm |
| |
| .macro RMEM a:req, b:req |
| _op 15, \a, \b |
| .endm |
| |
| .macro WMEM a:req, b:req |
| _op 16, \a, \b |
| .endm |
| |
| .macro CALL a:req |
| _op 17, \a |
| .endm |
| |
| .macro RET |
| _op 18 |
| .endm |
| |
| .macro OUT a:req |
| _op 19, \a |
| .endm |
| |
| .macro IN a:req |
| _op 20, \a |
| .endm |
| |
| .macro NOOP |
| _op 21 |
| .endm |