Change switches, for Ursula on RPC and A7000(+), as follows:

  vensrc.riscos.options
    Use64bitMultiply set FALSE (for 610,710,7500)
  riscos.s.fpemedusa
    Flavour changed from SoftOnly to Both (for 7500FE)

riscos/s/fpemedusa

@@ -44,7 +44,7 @@ FileExt         SETS    ""              ;RISC OS doesn't use filename
 ; Controls for veneer sources
 ;
         GBLS    Flavour
-Flavour SETS    "SoftOnly"    ;no FPA support for Ursula (aimed at SA-110 Phoebe)
+Flavour SETS    "Both"    ;no FPA support for Ursula (aimed at SA-110 Phoebe)
 
         GBLL    Arm600
 Arm600  SETL    {TRUE}

vensrc/riscos/options

@@ -180,7 +180,7 @@ MultipleContexts        SETL    {FALSE}
 EnableInterrupts        SETL    {TRUE}
 
                 GBLL            Use64bitMultiply
-Use64bitMultiply        SETL    {TRUE}
+Use64bitMultiply        SETL    {FALSE}
 
                 GBLL            SASTMhatbroken
 SASTMhatbroken          SETL    {TRUE}