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@ -3,6 +3,7 @@ |
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; |
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; WRITTEN BY: DOUGLAS GOODALL |
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; UPDATED BY: WAYNE WARTHEN -- 4/7/2013 |
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; UPDATED BY: DEAN NETHERTON -- 5/26/2021 - V9958 SUPPORT |
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;====================================================================== |
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; |
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; TODO: |
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@ -19,7 +20,7 @@ TMSCTRL1: .EQU 1 ; CONTROL BITS |
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TMSINTEN: .EQU 5 ; INTERRUPT ENABLE BIT |
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#IF TMSTIMENABLE |
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.ECHO "TMS/V9958 INTERRUPTS ENABLED\n" |
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.ECHO "TMS INTERRUPTS ENABLED\n" |
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#ENDIF |
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#IF ((TMSMODE == TMSMODE_RC) | (TMSMODE == TMSMODE_RCV9958)) |
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@ -93,9 +94,9 @@ TERMENABLE .SET TRUE ; INCLUDE TERMINAL PSEUDODEVICE DRIVER |
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; |
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TMS_PREINIT: |
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; DISABLE INTERRUPT GENERATION |
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LD A, (TMS_INIT9918_REG_1) |
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LD A, (TMS_INITVDU_REG_1) |
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RES TMSINTEN, A ; RESET INTERRUPT ENABLE BIT |
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LD (TMS_INIT9918_REG_1), A |
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LD (TMS_INITVDU_REG_1), A |
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LD C, TMSCTRL1 |
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JP TMS_SET |
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; |
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@ -112,11 +113,21 @@ TMS_INIT: |
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LD IY,TMS_IDAT ; POINTER TO INSTANCE DATA |
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; |
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CALL NEWLINE ; FORMATTING |
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PRTS("TMS: MODE=$") |
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#IF (TMSMODE == TMSMODE_SCG) |
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PRTS("SCG$") |
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#ENDIF |
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#IF (TMSMODE == TMSMODE_N8) |
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PRTS("N8$") |
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#ENDIF |
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#IF (TMSMODE == TMSMODE_RC) |
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PRTS("RC$") |
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#ENDIF |
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#IF (TMSMODE == TMSMODE_RCV9958) |
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PRTS("V9958: IO=0x$") |
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#ELSE |
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PRTS("TMS: IO=0x$") |
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PRTS("RC_V9958$") |
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#ENDIF |
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; |
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PRTS(" IO=0x$") |
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LD A,TMS_DATREG |
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CALL PRTHEXBYTE |
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CALL TMS_PROBE ; CHECK FOR HW EXISTENCE |
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@ -134,7 +145,7 @@ TMS_INIT1: |
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#IF (TMSMODE == TMSMODE_N8) |
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CALL PPK_INIT ; INITIALIZE KEYBOARD DRIVER |
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#ELSE |
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#IF MSKENABLE |
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#IF MKYENABLE |
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CALL MKY_INIT |
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#ENDIF |
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#ENDIF |
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@ -144,9 +155,9 @@ TMS_INIT1: |
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LD HL, TMS_TSTINT ; GET INT VECTOR |
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CALL HB_ADDIM1 ; ADD TO IM1 CALL LIST |
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LD A, (TMS_INIT9918_REG_1) |
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LD A, (TMS_INITVDU_REG_1) |
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SET TMSINTEN, A ; SET INTERRUPT ENABLE BIT |
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LD (TMS_INIT9918_REG_1), A |
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LD (TMS_INITVDU_REG_1), A |
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LD C, TMSCTRL1 |
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CALL TMS_SET |
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#ENDIF |
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@ -187,7 +198,7 @@ TMS_FNTBL: |
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.DW PPK_FLUSH |
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.DW PPK_READ |
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#ELSE |
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#IF MSKENABLE |
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#IF MKYENABLE |
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.DW MKY_STAT |
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.DW MKY_FLUSH |
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.DW MKY_READ |
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@ -239,11 +250,7 @@ TMS_VDARES1: ; ENTRY POINT TO AVOID TMS_Z180IO RECURSION |
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RET |
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TMS_VDADEV: |
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#IF (TMSMODE == TMSMODE_RCV9958) |
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LD D, VDADEV_V9958 |
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#ELSE |
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LD D,VDADEV_TMS ; D := DEVICE TYPE |
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#ENDIF |
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LD E,0 ; E := PHYSICAL UNIT IS ALWAYS ZERO |
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LD H,TMSMODE ; H := MODE |
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LD L,TMS_DATREG ; L := BASE I/O ADDRESS |
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@ -456,8 +463,8 @@ TMS_CRTINIT1: |
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; |
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; INITIALIZE VDU REGISTERS |
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LD C,0 ; START WITH REGISTER 0 |
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LD B,TMS_INIT9918LEN ; NUMBER OF REGISTERS TO INIT |
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LD HL,TMS_INIT9918 ; HL = POINTER TO THE DEFAULT VALUES |
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LD B,TMS_INITVDULEN ; NUMBER OF REGISTERS TO INIT |
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LD HL,TMS_INITVDU ; HL = POINTER TO THE DEFAULT VALUES |
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TMS_CRTINIT2: |
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LD A,(HL) ; GET VALUE |
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CALL TMS_SET ; WRITE IT |
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@ -837,7 +844,7 @@ TMS_TSTINT: |
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TMS_INTHNDL: |
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#IF MSKENABLE |
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#IF MKYENABLE |
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CALL MKY_INT |
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#ENDIF |
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@ -913,9 +920,9 @@ TMS_PORTS: |
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; INT Set at each screen update, used for interrupts. |
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; |
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#IF (TMSMODE == TMSMODE_RCV9958) |
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TMS_INIT9918: |
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TMS_INITVDU: |
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.DB $04 ; REG 0 - NO EXTERNAL VID, SET M4 = 1 |
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TMS_INIT9918_REG_1: |
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TMS_INITVDU_REG_1: |
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.DB $50 ; REG 1 - ENABLE SCREEN, SET MODE 1 |
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.DB $03 ; REG 2 - PATTERN NAME TABLE := 0 |
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.DB $00 ; REG 3 - NO COLOR TABLE |
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@ -929,9 +936,9 @@ TMS_INIT9918_REG_1: |
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.DB $00 ; REG 10 - COLOUR TABLE A14-A16 (TMS_FNTVADDR - $1000) |
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#ELSE ; TMS REGISTER SET |
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TMS_INIT9918: |
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TMS_INITVDU: |
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.DB $00 ; REG 0 - NO EXTERNAL VID |
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TMS_INIT9918_REG_1: |
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TMS_INITVDU_REG_1: |
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.DB $50 ; REG 1 - ENABLE SCREEN, SET MODE 1 |
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.DB $00 ; REG 2 - PATTERN NAME TABLE := 0 |
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.DB $00 ; REG 3 - NO COLOR TABLE |
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@ -941,17 +948,13 @@ TMS_INIT9918_REG_1: |
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.DB $F0 ; REG 7 - WHITE ON BLACK |
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#ENDIF |
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; |
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TMS_INIT9918LEN .EQU $ - TMS_INIT9918 |
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TMS_INITVDULEN .EQU $ - TMS_INITVDU |
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; |
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; |
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#IF (CPUFAM == CPU_Z180) |
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TMS_DCNTL .DB $00 ; SAVE Z180 DCNTL AS NEEDED |
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#ENDIF |
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#IF (TMSMODE == TMSMODE_RCV9958) |
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.ECHO "V9958 instance data occupies " |
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#ELSE |
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; |
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.ECHO "TMS instance data occupies " |
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#ENDIF |
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.ECHO $ - TMS_IDAT |
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.ECHO " bytes\n" |
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Wayne Warthen
5 years ago