diff --git a/VersionASM b/VersionASM
index e97b93f8155098b5acba7bf101ab1eb8df10f163..63194de5b5b9c63fdd990bba0cd039a79c069873 100644
--- a/VersionASM
+++ b/VersionASM
@@ -12,9 +12,9 @@
Module_MajorVersion SETS "6.34"
Module_Version SETA 634
Module_MinorVersion SETS ""
-Module_Date SETS "27 Feb 2020"
-Module_ApplicationDate SETS "27-Feb-20"
+Module_Date SETS "02 Mar 2020"
+Module_ApplicationDate SETS "02-Mar-20"
Module_ComponentName SETS "Kernel"
Module_FullVersion SETS "6.34"
-Module_HelpVersion SETS "6.34 (27 Feb 2020)"
+Module_HelpVersion SETS "6.34 (02 Mar 2020)"
END
diff --git a/VersionNum b/VersionNum
index 3fdd6f5de5e7f9c928cc0184a527dd71f398c1bf..4e79423aaea68fcbb8e4a95eb89b92eae5102e67 100644
--- a/VersionNum
+++ b/VersionNum
@@ -5,17 +5,17 @@
*/
#define Module_MajorVersion_CMHG 6.34
#define Module_MinorVersion_CMHG
-#define Module_Date_CMHG 27 Feb 2020
+#define Module_Date_CMHG 02 Mar 2020
#define Module_MajorVersion "6.34"
#define Module_Version 634
#define Module_MinorVersion ""
-#define Module_Date "27 Feb 2020"
+#define Module_Date "02 Mar 2020"
-#define Module_ApplicationDate "27-Feb-20"
+#define Module_ApplicationDate "02-Mar-20"
#define Module_ComponentName "Kernel"
#define Module_FullVersion "6.34"
-#define Module_HelpVersion "6.34 (27 Feb 2020)"
+#define Module_HelpVersion "6.34 (02 Mar 2020)"
#define Module_LibraryVersionInfo "6:34"
diff --git a/hdr/OSMem b/hdr/OSMem
index dc976678ded6e1c3f34f44efe95dc6778460becb..913a9a90946e8448736370ee5d7ccd66e5face93 100644
--- a/hdr/OSMem
+++ b/hdr/OSMem
@@ -26,6 +26,20 @@ ChangeDyn_FontArea # 1 ; 4
ChangeDyn_RamFS # 1 ; 5
ChangeDyn_FreePool # 1 ; 6
ChangeDyn_MaxArea # 0 ; For internal use by kernel
+ChangeDyn_VRAMRescue # 1 ; 7 RISC OS 6
+ChangeDyn_KernelBuffers # 2 ; 8 RISC OS 6
+ChangeDyn_AbortSVCAndIRQStackCopy # 1 ; 10 RISC OS 6
+ChangeDyn_OperatingSystemROM # 1 ; 11 RISC OS 6
+ChangeDyn_SWIDispatchIRQWorkspace # 1 ; 12 RISC OS 6
+ChangeDyn_SVCStack # 1 ; 13 RISC OS 6
+ChangeDyn_IRQStack # 1 ; 14 RISC OS 6
+ChangeDyn_UNDStack # 1 ; 15 RISC OS 6
+ChangeDyn_Level2PageTables # 1 ; 16 RISC OS 6
+ChangeDyn_SoftCAM # 1 ; 17 RISC OS 6
+ChangeDyn_SystemInit # 1 ; 18 RISC OS 6
+ ^ 48
+ChangeDyn_ZeroPage # 1 ; 48 Pyromaniac
+ChangeDyn_HighVectors # 1 ; 49 Pyromaniac
ReadDyn_ReturnMax * 128 ; OS_ReadDynamicArea flag to return max size of area in R2 (for areas 0 to 127 inclusive; other areas always return max size)
; OS_DynamicArea reason codes
diff --git a/s/Middle b/s/Middle
index 561593ca84d8df1a4903a341290bc99dfe026ec4..f3314f6a95085b6f146ab0a3a13fb4baeb95d8b4 100644
--- a/s/Middle
+++ b/s/Middle
@@ -1618,6 +1618,9 @@ osri6_maxvalue * (.-4-osri6_table) :SHR: 2
; 3 = Morris+ (currently returned for A7000+ only)
; 4 = Phoebe (currently returned for Risc PC 2 only)
; 5 = HAL (returned for machines running a HAL)
+; 6 = VirtualRPC
+; 7 = A9Home
+; 16 = Pyromaniac
; all other values currently reserved
; r1 = 32 additional platform specifier flags (if defined)
; bits 0..31 = value of flags 0..31 if defined, 0 if undefined
diff --git a/s/PMF/osbyte b/s/PMF/osbyte
index a017b476cfac30286401272dc17f27242a775146..af38b423ca97fc94f14e53152eef1d9ffe001d80 100644
--- a/s/PMF/osbyte
+++ b/s/PMF/osbyte
@@ -231,6 +231,28 @@ TryInternational ; special ones in the middle
; R2 is Preserved
+; MosVer values clients might expect to read are as follows:
+; (ref: http://beebwiki.mdfs.net/OSBYTE_%2600 )
+; Volume Directory Extension
+; Electron 0 \
+; BBC A/B 1 |
+; BBC B+ 2 |
+; Master 128 3 | :d. . /
+; Master ET 4 |
+; Master Compact 5 |
+; Arthur/RISC OS 6 |
+; Springboard 7 /
+; Unix 8 \
+; 6809/6309 9 | N/A / .
+; Mac OS X 10 /
+; 6809/6309 17 :d. . /
+; Commodore 64/128 28 \
+; TI calculator 29 | d: N/A .
+; Amstrad CPC 30 |
+; Sinclair ZX Spectrum 31 /
+; DOS/Windows 32 \ d:\ \ .
+; 6809/6309 39 /
+
Osbyte00 ROUT
TEQ R1, #0
MOVNE R1, #MosVer
@@ -981,6 +1003,23 @@ AdvalPositive ROUT
; *****************************************************************************
; Perform INKEY operation
+
+; OSVersionID values clients might expect to read include the following:
+; (ref: http://beebwiki.mdfs.net/OSBYTE_%2681 )
+; Arthur 1.20 &A0
+; RISC OS 2.00 &A1
+; RISC OS 2.01 &A2
+; RISC OS 3.0x &A3
+; RISC OS 3.1x &A4
+; RISC OS 3.50 &A5
+; RISC OS 3.60 &A6
+; RISC OS 3.7x &A7
+; RISC OS 4.0x &A8
+; RISC OS 4.3x &A9
+; RISC OS 5.xx &AA
+; Pyromaniac &AE
+; Springboard &AF
+
Osbyte81 ROUT
TST R2, #&80 ; is it negative inkey ?
BEQ %FT10 ; no, then not INKEY-256