Browse Source
Merge pull request #621 from b3rendsh/master
Update loader for MSX
pull/626/head
Wayne Warthen
4 months ago
committed by
GitHub
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
5 changed files with
24 additions and
6 deletions
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Doc/ChangeLog.txt
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Source/HBIOS/cfg_MASTER.asm
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Source/HBIOS/cfg_MSX.asm
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Source/HBIOS/ide.asm
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Source/MSX/msx-ldr.asm
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@ -31,6 +31,7 @@ Version 3.6 |
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- M?R: Update Timer app with "zero" option |
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- HJB: Update PPIDE driver, add support for MSX BEER IDE interface |
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- HJB: Added loader for MSX |
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- HJB: Added IDE driver master media detect option |
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Version 3.5.1 |
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------------- |
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@ -338,6 +338,7 @@ RFENABLE .EQU FALSE ; RF: ENABLE RAM FLOPPY DRIVER |
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RFCNT .EQU 1 ; RF: NUMBER OF RAM FLOPPY UNITS (1-4) |
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; |
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IDEENABLE .EQU FALSE ; IDE: ENABLE IDE DISK DRIVER (IDE.ASM) |
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IDEDETECTMEDIA .EQU FALSE ; IDE: PROBE FOR MEDIA IN MASTER UNIT, IF NOT DETECTED THEN DON'T ENABLE DRIVER |
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IDETRACE .EQU 1 ; IDE: TRACE LEVEL (0=NO,1=ERRORS,2=ALL) |
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IDECNT .EQU 1 ; IDE: NUMBER OF IDE INTERFACES TO DETECT (1-3), 2 DRIVES EACH |
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IDE0MODE .EQU IDEMODE_NONE ; IDE 0: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE] |
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@ -282,6 +282,7 @@ FD1TYPE .SET FDT_3HD ; FD 1: DRIVE TYPE: FDT_[3DD|3HD|5DD|5HD|8] |
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RFENABLE .SET FALSE ; RF: ENABLE RAM FLOPPY DRIVER |
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; |
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IDEENABLE .SET TRUE ; IDE: ENABLE IDE DISK DRIVER (IDE.ASM) |
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IDEDETECTMEDIA .SET TRUE ; IDE: PROBE FOR MEDIA IN MASTER UNIT, IF NOT DETECTED THEN DON'T ENABLE DRIVER |
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IDETRACE .SET 1 ; IDE: TRACE LEVEL (0=NO,1=ERRORS,2=ALL) |
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IDECNT .SET 1 ; IDE: NUMBER OF IDE INTERFACES TO DETECT (1-3), 2 DRIVES EACH |
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IDE0MODE .SET IDEMODE_RC ; IDE 0: DRIVER MODE: IDEMODE_[DIO|DIDE|MK4|RC|GIDE] |
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@ -610,8 +610,15 @@ IDE_DETECT: |
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;#IF (IDEMODE == IDEMODE_DIO) |
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;#ENDIF |
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; |
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#IF (IDEDETECTMEDIA) |
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; PROBE FOR MEDIA IN MASTER UNIT, IF NOT DETECTED THEN DON'T ENABLE DRIVER |
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LD A,IDE_DRVMASTER |
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LD (IDE_DRVHD),A |
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JP IDE_PROBE |
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#ELSE |
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XOR A ; SIGNAL SUCCESS |
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RET ; AND RETURN |
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#ENDIF |
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; |
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;============================================================================= |
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; DRIVER FUNCTION TABLE |
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@ -10,9 +10,12 @@ |
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ROMWBW_SEG .equ 4 ; RomWBW boot segment |
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RDSLT .equ $000c ; read value of address in other slot |
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CALSLT .equ $001c ; inter-slot call routine |
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CHGCPU .equ $0180 ; changes CPU mode |
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P2_SEG .equ $f2c9 ; current segment page 2 (MSX-DOS 2) |
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CSRSW .equ $fca9 ; cursor on/off flag |
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MNROM .equ $fcc1 ; main system rom slot |
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H_TIMI .equ $fd9f ; timer interrupt hook (vdp vsync) |
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; ------------------------------------------------------------------------------ |
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@ -117,13 +120,18 @@ mtcount: call H_TIMI ; H.TIMI handler saves register AF |
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dec a |
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jr nz,mtcount |
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; set CPU to Z80 mode |
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ld a,(CHGCPU) |
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cp $c3 |
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ld a,$80 ; set Z80 mode + switch Turbo LED indicator |
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call z,CHGCPU |
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; set CPU to Z80 mode / turbo off |
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ld hl,CHGCPU |
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ld a,(MNROM) |
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call RDSLT ; routine to change CPU mode exists in BIOS? |
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cp $c3 ; z=yes |
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ld a,$80 ; Z80 mode + switch Turbo LED indicator |
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ld ix,CHGCPU ; change CPU routine |
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ld iy,(MNROM-1) ; in main rom |
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call z,CALSLT |
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; select RomWBW bootloader bank and start RomWBW |
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di |
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ld a,ROMWBW_SEG |
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out ($fc),a |
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inc a |
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