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SYS_exit = 1
SYS_write = 4

        .bss
        .space 64
_stack:

        .data
pass_text:
        .string "pass\n"
fail_text:
        .string "fail\n"

        .text
        .global _start
_start:
        movhi   hi(_stack),     r0,     sp
        movea   lo(_stack),     sp,     sp
        jr      start_test

        .macro  seti    val reg
        movhi   hi(\val),r0,\reg
        movea   lo(\val),\reg,\reg
        .endm

_pass_1:
        mov     SYS_write,r6
        mov     1,r7
        seti    pass_text,r8
        mov     5,r9
        trap    31

        mov     0, r7
        jr      _exit

_fail_1:
        mov     SYS_write,r6
        mov     1,r7
        seti    fail_text,r8
        mov     5,r9
        trap    31

        mov     1, r7
        jr      _exit

_exit:
        mov     SYS_exit, r6
        mov     0, r8
        mov     0, r9
        trap    31

_pass:
        jr      _pass_1

_fail:
        jr      _fail_1

        .macro  pass
        jr      _pass
        .endm
        .macro  fail
        jr      _fail
        .endm

        # These pass or fail if the given flag is set or not set
        # Currently, it assumed that the code of any test is going to
        # be less than 256 bytes.  Else, we'll have to use a
        # branch-around-jump design instead.

        .macro  pass_c
        bc      _pass
        .endm
        .macro  fail_c
        bc      _fail
        .endm
        .macro  pass_nc
        bnc     _pass
        .endm
        .macro  fail_nc
        bnc     _fail
        .endm

        .macro  pass_z
        bz      _pass
        .endm
        .macro  fail_z
        bz      _fail
        .endm
        .macro  pass_nz
        bnz     _pass
        .endm
        .macro  fail_nz
        bnz     _fail
        .endm

        .macro  pass_v
        bv      _pass
        .endm
        .macro  fail_v
        bv      _fail
        .endm
        .macro  pass_nv
        bnv     _pass
        .endm
        .macro  fail_nv
        bnv     _fail
        .endm

        .macro  pass_s
        bn      _pass
        .endm
        .macro  fail_s
        bn      _fail
        .endm
        .macro  pass_ns
        bp      _pass
        .endm
        .macro  fail_ns
        bp      _fail
        .endm

        .macro  pass_sat
        bsa     _pass
        .endm
        .macro  fail_sat
        bsa     _fail
        .endm
        .macro  pass_nsat
        bsa     1f
        br      _pass
1:
        .endm
        .macro  fail_nsat
        bsa     1f
        br      _fail
1:
        .endm

        # These pass/fail if the given register has/hasn't the specified value in it.

        .macro  pass_req        reg val
        seti    \val,r10
        cmp     r10,\reg
        be      _pass
        .endm

        .macro  pass_rne        reg val
        seti    \val,r10
        cmp     r10,\reg
        bne     _pass
        .endm

        .macro  fail_req        reg val
        seti    \val,r10
        cmp     r10,\reg
        be      _fail
        .endm

        .macro  fail_rne        reg val
        seti    \val,r10
        cmp     r10,\reg
        bne     _fail
        .endm

# convenience version
        .macro  reg     reg val
        seti    \val,r10
        cmp     r10,\reg
        bne     _fail
        .endm

z    = 1
nz   = 0
s    = 2
ns   = 0
v    = 4
nv   = 0
c    = 8
nc   = 0
sat  = 16
nsat = 0

# sat c v s z

        .macro  flags   fval
        stsr    psw, r10
        movea   +(\fval), r0, r9
        andi    31, r10, r10
        cmp     r9, r10
        bne     _fail
        .endm

        .macro  noflags
        stsr    psw, r10
        andi    ~0x1f, r10, r10
        ldsr    r10, psw
        .endm

        .macro  allflags
        stsr    psw, r10
        ori     0x1f, r10, r10
        ldsr    r10, psw
        .endm

start_test: