Great find, that $800 bytes part is missing on 94-95 code. It must be the instruction set or code for the tpu. Italso is placed on a non shared memory region with eside. I guess on 94-95 version it is hard built. Later it is configurable.
Now I found some differences that might help you.
16FC is loaded with 004C vs 0044. than a pause is executed. It might be processor reset or mode change for reset the shared memory.
16F0 is not set vs loaded with #0003 before the microstore is loaded and than cleared after that.
It might be set bit that unlocks eside access to TPU non shared memory region.
Than the microstore is loaded. We will have to find where in the TPU ram that is stored to get the processor`s correct offset.
That looks like instructions code, or the main core that the TPU runs from. Make a byte repeat analysis to find the opcodes. If we can find the correct offset and the instruction set a disassembly can be made.
Thatis the other main change the size and address is the same but data slightly differs.
vsCode:fdb $84 ; a6b4-a704 cal data 1600-??? for tpu
RESERVED:A6B6 fdb $CD
RESERVED:A6B8 fdb $279
RESERVED:A6BA fdb $379
RESERVED:A6BC fdb $479
RESERVED:A6BE fdb $579
RESERVED:A6C0 fdb $679
RESERVED:A6C2 fdb $779
RESERVED:A6C4 fdb $879
RESERVED:A6C6 fdb $9C1
RESERVED:A6C8 fdb $AC1
RESERVED:A6CA fdb $B5
RESERVED:A6CC fdb $77
RESERVED:A6CE fdb $7B
RESERVED:A6D0 fdb $A2
RESERVED:A6D2 fdb $A6
RESERVED:A6D4 fdb $1A
RESERVED:A6D6 fdb $11A
RESERVED:A6D8 fdb $21A
RESERVED:A6DA fdb $31A
RESERVED:A6DC fdb $41A
RESERVED:A6DE fdb $51A
RESERVED:A6E0 fdb $61A
RESERVED:A6E2 fdb $71A
RESERVED:A6E4 fdb $8C8
RESERVED:A6E6 fdb $9C8
RESERVED:A6E8 fdb $AC8
RESERVED:A6EA fdb $BC8
RESERVED:A6EC fdb $C93
RESERVED:A6EE fdb $D93
RESERVED:A6F0 fdb 0
RESERVED:A6F2 fdb 0
RESERVED:A6F4 fdb $F38
RESERVED:A6F6 fdb $E91
RESERVED:A6F8 fdb $BB
RESERVED:A6FA fdb 0
RESERVED:A6FC fdb $EA9
RESERVED:A6FE fdb 0
RESERVED:A700 fdb 0
RESERVED:A702 fdb 0
Code:RESERVED:7AFC fdb $8E ; table
RESERVED:7AFC ; 7AFC-7B4B
RESERVED:7AFC ; INITIAL VALUES LOADED FOR 1600-1650 at reset
RESERVED:7AFE fdb $CC
RESERVED:7B00 fdb $2DE
RESERVED:7B02 fdb $3DE
RESERVED:7B04 fdb $4DE
RESERVED:7B06 fdb $5DE
RESERVED:7B08 fdb $6DE
RESERVED:7B0A fdb $7DE
RESERVED:7B0C fdb $A7
RESERVED:7B0E fdb $8F
RESERVED:7B10 fdb $D0
RESERVED:7B12 fdb $D7
RESERVED:7B14 fdb $D8
RESERVED:7B16 fdb $76
RESERVED:7B18 fdb $AF
RESERVED:7B1A fdb $DD
RESERVED:7B1C fdb $33
RESERVED:7B1E fdb $133
RESERVED:7B20 fdb $233
RESERVED:7B22 fdb $333
RESERVED:7B24 fdb $433
RESERVED:7B26 fdb $533
RESERVED:7B28 fdb $633
RESERVED:7B2A fdb $733
RESERVED:7B2C fdb $8C6
RESERVED:7B2E fdb $9C6
RESERVED:7B30 fdb $AC6
RESERVED:7B32 fdb $BC6
RESERVED:7B34 fdb $CC6
RESERVED:7B36 fdb $DC6
RESERVED:7B38 fdb 0
RESERVED:7B3A fdb 0
RESERVED:7B3C fdb $FE4
RESERVED:7B3E fdb $C1
RESERVED:7B40 fdb $6E
RESERVED:7B42 fdb $C4
RESERVED:7B44 fdb $E92
RESERVED:7B46 fdb $E85
RESERVED:7B48 fdb $AA
RESERVED:7B4A fdb $5C
I will try to find a bin for the diesel PCM and see how TPU is set there.