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Minor Z280 Fixes

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- Fixed the ROM VERIFY functionality on Z280.  It was indicating errors incorrectly.
- Revised the way that ZZRCC is built to remove a bunch of complexity that was causing issues.  An implication of this is that ZZRCC now treats the data loaded from the CF Card as a ROM disk instead of a RAM disk.
- Updated the assemblers to handle some more Z280 instructions used in HBIOS.
- When building ZZRCC, checks have been added to ensure the ROM image is exactly 256K.  The build defaults to 512K and that causes the ZZRCC disk image to be corrupted.  This will stop the build if the user fails to specify a 256K ROM size.
This commit is contained in:
Wayne Warthen
2022-02-17 11:34:31 -08:00
parent e6b9d2dcfd
commit bf965c2604
21 changed files with 111 additions and 69 deletions
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11
Source/HBIOS/Config/RCZ280_nat_zzr.asm
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@@ -30,14 +30,13 @@
;
CPUOSC .SET 29491200 ; CPU OSC FREQ IN MHZ
;
RAMSIZE .SET 384 ; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
PLT_RAM_R .SET 128 ; RESERVE FIRST N KB OF RAM (USUALLY 0)
PLT_ROM_R .SET 0 ; RESERVE FIRST N KB OR ROM (USUALLY 0)
RAMSIZE .SET 256 ; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
ROMSIZE_CHK .SET 256 ; ROMSIZE VALUE VEREIFICATION (0=DISABLED)
;
RAMLOC .SET 23 ; START OF RAM AS POWER OF 2 (2^N) IN PHYSICAL ADDRESS SPACE
RAMLOC .SET 18 ; START OF RAM AS POWER OF 2 (2^N) IN PHYSICAL ADDRESS SPACE
RAMBIAS .SET (1 << (RAMLOC - 10)) ; OFFSET OF START OF RAM IN PHYSICAL ADDRESS SPACE
;
MDROM .SET FALSE ; MD: ENABLE ROM DISK
MDRAM .SET TRUE ; MD: ENABLE RAM DISK
MDROM .SET TRUE ; MD: ENABLE ROM DISK
MDRAM .SET FALSE ; MD: ENABLE RAM DISK
;
Z2U0HFC .SET TRUE ; Z2U 0: ENABLE HARDWARE FLOW CONTROL