Subversion Repositories open8_urisc

/trunk/taskmgr/make.bat File deleted

/trunk/taskmgr/taskmgr_const.s File deleted \ No newline at end of file

/trunk/taskmgr/task_1_const.s File deleted \ No newline at end of file

/trunk/taskmgr/task_0_const.s File deleted \ No newline at end of file

/trunk/taskmgr/app.s File deleted \ No newline at end of file

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/trunk/taskmgr/APP.HEX File deleted

/trunk/taskmgr/open8_link.exe Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream

/trunk/taskmgr/open8_link.exe

trunk/taskmgr/open8_link.exe Property changes : Deleted: svn:mime-type ## -1 +0,0 ## -application/octet-stream \ No newline at end of property Index: trunk/taskmgr/app.out =================================================================== Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream Index: trunk/taskmgr/app.out =================================================================== --- trunk/taskmgr/app.out (revision 301) +++ trunk/taskmgr/app.out (nonexistent)

trunk/taskmgr/app.out Property changes : Deleted: svn:mime-type ## -1 +0,0 ## -application/octet-stream \ No newline at end of property Index: trunk/taskmgr/taskmgr_func.s =================================================================== --- trunk/taskmgr/taskmgr_func.s (revision 301) +++ trunk/taskmgr/taskmgr_func.s (nonexistent) @@ -1,93 +0,0 @@ -; Copyright (c)2022 Jeremy Seth Henry -; All rights reserved. -; -; Redistribution and use in source and binary forms, with or without -; modification, are permitted provided that the following conditions are met: -; * Redistributions of source code must retain the above copyright -; notice, this list of conditions and the following disclaimer. -; * Redistributions in binary form must reproduce the above copyright -; notice, this list of conditions and the following disclaimer in the -; documentation and/or other materials provided with the distribution, -; where applicable (as part of a user interface, debugging port, etc.) -; -; THIS SOFTWARE IS PROVIDED BY JEREMY SETH HENRY ``AS IS'' AND ANY -; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -; DISCLAIMED. IN NO EVENT SHALL JEREMY SETH HENRY BE LIABLE FOR ANY -; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -; -;------------------------------------------------------------------------------ -; taskmgr_func.s -; -; Program Start, Task Setup, and Core Interrupt Service -; -; Note that the CPU must be in supervisory mode for this code to execute -; properly, which means the I bit MUST be set at startup. This is controlled -; by HDL generics - specifically the supervisor mode enable. -; -; Revision History -; Author Date Change -;---------------- -------- --------------------------------------------------- -; Seth Henry 7/15/22 Initial Release -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; System Bootstrap / Start of ROM -;------------------------------------------------------------------------------ -.ORG BOOT_BLOCK -BOOTSTRAP: JMP INIT_MAIN ; Jump past the pointer block - NOP ; Aligns the data block, but not executed -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Pointer table -;------------------------------------------------------------------------------ - INSTANCE_TASK_POINTERS -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Task Parameter table -;------------------------------------------------------------------------------ - INSTANCE_TASK_EXPORTS -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; System start -;------------------------------------------------------------------------------ -INIT_MAIN: BNI INIT_MAIN ; Trap in a loop if supervisor mode isn't set - BOOT_SYSTEM -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; RAM Access Fault Shutdown (CALL_PANIC) -;------------------------------------------------------------------------------ -RAM_FAULT: PROCESS_RAM_FAULT -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Task Switch ISR (CALL_TASK_SW) -;------------------------------------------------------------------------------ -TASK_SW_INT: SWITCH_TASKS -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; External Interrupt Handler ISR -;------------------------------------------------------------------------------ -EXT_INT_MGR: -.IFDEF INTMGR16 - CHECK_EXTERNAL_IO_INTS16 -.ELSE - CHECK_EXTERNAL_IO_INTS -.ENDIF -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; ISR Context Function Calls (CALL_SUPV_FN) -;------------------------------------------------------------------------------ - INSTANCE_SUPV_FUNCS -;------------------------------------------------------------------------------ Index: trunk/taskmgr/open8_as.exe =================================================================== Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream Index: trunk/taskmgr/open8_as.exe =================================================================== --- trunk/taskmgr/open8_as.exe (revision 301) +++ trunk/taskmgr/open8_as.exe (nonexistent)

trunk/taskmgr/open8_as.exe Property changes : Deleted: svn:mime-type ## -1 +0,0 ## -application/octet-stream \ No newline at end of property Index: trunk/taskmgr/task_1_func.s =================================================================== --- trunk/taskmgr/task_1_func.s (revision 301) +++ trunk/taskmgr/task_1_func.s (nonexistent) @@ -1,51 +0,0 @@ -; Copyright (c)2022 Jeremy Seth Henry -; All rights reserved. -; -; Redistribution and use in source and binary forms, with or without -; modification, are permitted provided that the following conditions are met: -; * Redistributions of source code must retain the above copyright -; notice, this list of conditions and the following disclaimer. -; * Redistributions in binary form must reproduce the above copyright -; notice, this list of conditions and the following disclaimer in the -; documentation and/or other materials provided with the distribution, -; where applicable (as part of a user interface, debugging port, etc.) -; -; THIS SOFTWARE IS PROVIDED BY JEREMY SETH HENRY ``AS IS'' AND ANY -; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -; DISCLAIMED. IN NO EVENT SHALL JEREMY SETH HENRY BE LIABLE FOR ANY -; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -; -;------------------------------------------------------------------------------ -; task_1_func.s -; -; Revision History -; Author Date Change -;---------------- -------- --------------------------------------------------- -; Seth Henry 7/15/22 Initial Release -;------------------------------------------------------------------------------ -.ORG TASK1_BLOCK - -;------------------------------------------------------------------------------ -; Pointer table -;------------------------------------------------------------------------------ - INSTANCE_TASK1_POINTERS -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Task Initialization -;------------------------------------------------------------------------------ -TASK1_INIT: INITIALIZE_TASK1_VARS - RTS -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Task Executive -;------------------------------------------------------------------------------ -TASK1_EXEC: RTS -;------------------------------------------------------------------------------ \ No newline at end of file Index: trunk/taskmgr/task_0_func.s =================================================================== --- trunk/taskmgr/task_0_func.s (revision 301) +++ trunk/taskmgr/task_0_func.s (nonexistent) @@ -1,51 +0,0 @@ -; Copyright (c)2022 Jeremy Seth Henry -; All rights reserved. -; -; Redistribution and use in source and binary forms, with or without -; modification, are permitted provided that the following conditions are met: -; * Redistributions of source code must retain the above copyright -; notice, this list of conditions and the following disclaimer. -; * Redistributions in binary form must reproduce the above copyright -; notice, this list of conditions and the following disclaimer in the -; documentation and/or other materials provided with the distribution, -; where applicable (as part of a user interface, debugging port, etc.) -; -; THIS SOFTWARE IS PROVIDED BY JEREMY SETH HENRY ``AS IS'' AND ANY -; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -; DISCLAIMED. IN NO EVENT SHALL JEREMY SETH HENRY BE LIABLE FOR ANY -; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -; -;------------------------------------------------------------------------------ -; task_0_func.s -; -; Revision History -; Author Date Change -;---------------- -------- --------------------------------------------------- -; Seth Henry 7/15/22 Initial Release -;------------------------------------------------------------------------------ -.ORG TASK0_BLOCK - -;------------------------------------------------------------------------------ -; Pointer table -;------------------------------------------------------------------------------ - INSTANCE_TASK0_POINTERS -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Task Initialization -;------------------------------------------------------------------------------ -TASK0_INIT: INITIALIZE_TASK0_VARS - RTS -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Task Executive -;------------------------------------------------------------------------------ -TASK0_EXEC: RTS -;------------------------------------------------------------------------------ \ No newline at end of file Index: trunk/taskmgr/sys_hw_map.s =================================================================== --- trunk/taskmgr/sys_hw_map.s (revision 301) +++ trunk/taskmgr/sys_hw_map.s (nonexistent) @@ -1,73 +0,0 @@ -; Copyright (c)2022 Jeremy Seth Henry -; All rights reserved. -; -; Redistribution and use in source and binary forms, with or without -; modification, are permitted provided that the following conditions are met: -; * Redistributions of source code must retain the above copyright -; notice, this list of conditions and the following disclaimer. -; * Redistributions in binary form must reproduce the above copyright -; notice, this list of conditions and the following disclaimer in the -; documentation and/or other materials provided with the distribution, -; where applicable (as part of a user interface, debugging port, etc.) -; -; THIS SOFTWARE IS PROVIDED BY JEREMY SETH HENRY ``AS IS'' AND ANY -; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -; DISCLAIMED. IN NO EVENT SHALL JEREMY SETH HENRY BE LIABLE FOR ANY -; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -; -;------------------------------------------------------------------------------ -; sys_hw_map.s -; -; Defines the interface between HDL and assembly, and should be derived from -; Open8_cfg.vhd (this is a minimal configuration) -; -; Revision History -; Author Date Change -;---------------- -------- --------------------------------------------------- -; Seth Henry 7/15/22 Initial Release -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; System Memory Map from Open8_cfg -;------------------------------------------------------------------------------ -.DEFINE RAM_Address $0000 ; System RAM -.DEFINE WPR_Address $1000 ; RAM Write Protect Mask -.DEFINE WQL_Address $1020 ; I/O Write Qual Register -.DEFINE INT_Address $1040 ; Cascaded Interrupt Manager -;... -.DEFINE ROM_Address $8000 ; Application ROM -.DEFINE ISR_Start_Addr $FFF0 ; ISR vector table -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Interrupt Manager Selection -; -; Uncomment the INTMGR16 define if using the 16-bit "complex" interrupt manager -; firmware. Otherwise, the 8-bit "simple" external interrupt manager is -; assumed. Note that the interfaces are NOT register compatible, so this will -; break the system if the wrong manager is selected! -; -;.DEFINE INTMGR16 -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; RAM Configuration -;------------------------------------------------------------------------------ -; Define the size of the memory and number of partitions in order to configure -; the region size constant - which will be used by tasks to assign their -; write-protection requirements -.DEFINE RAM_Size 4096 -.DEFINE RAM_Partitions 32 -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Write Qualification Groups from Open8_cfg -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ \ No newline at end of file Index: trunk/taskmgr/sys_const.s =================================================================== --- trunk/taskmgr/sys_const.s (revision 301) +++ trunk/taskmgr/sys_const.s (nonexistent) @@ -1,323 +0,0 @@ -; Copyright (c)2022 Jeremy Seth Henry -; All rights reserved. -; -; Redistribution and use in source and binary forms, with or without -; modification, are permitted provided that the following conditions are met: -; * Redistributions of source code must retain the above copyright -; notice, this list of conditions and the following disclaimer. -; * Redistributions in binary form must reproduce the above copyright -; notice, this list of conditions and the following disclaimer in the -; documentation and/or other materials provided with the distribution, -; where applicable (as part of a user interface, debugging port, etc.) -; -; THIS SOFTWARE IS PROVIDED BY JEREMY SETH HENRY ``AS IS'' AND ANY -; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -; DISCLAIMED. IN NO EVENT SHALL JEREMY SETH HENRY BE LIABLE FOR ANY -; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -; -;------------------------------------------------------------------------------ -; sys_const.s -; -; Common constants & macros for generic hardware or structures used by several -; tasks -; -; Revision History -; Author Date Change -;---------------- -------- --------------------------------------------------- -; Seth Henry 7/15/22 Initial Release -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -;-- Serial Port Constants & Macros -;------------------------------------------------------------------------------ -.DEFINE UART_DATA 0 -.DEFINE UART_STATUS 1 - -.DEFINE UART_RX_PERR 3 -.DEFINE UART_RX_EMPTY 4 -.DEFINE UART_RX_FULL 5 -.DEFINE UART_TX_EMPTY 6 -.DEFINE UART_TX_FULL 7 - -.DEFINE UART_RX_PERR_BIT 2^UART_RX_PERR -.DEFINE UART_RX_PERR_MASK UART_RX_PERR_BIT ~ $FF - -.DEFINE UART_RX_EMPTY_BIT 2^UART_RX_EMPTY -.DEFINE UART_RX_EMPTY_MASK UART_RX_EMPTY_BIT ~ $FF - -.DEFINE UART_RX_FULL_BIT 2^UART_RX_FULL -.DEFINE UART_RX_FULL_MASK UART_RX_FULL_BIT ~ $FF - -.DEFINE UART_TX_EMPTY_BIT 2^UART_TX_EMPTY -.DEFINE UART_TX_EMPTY_MASK UART_TX_EMPTY_BIT ~ $FF - -.DEFINE UART_TX_FULL_BIT 2^UART_TX_FULL -.DEFINE UART_TX_FULL_MASK UART_TX_FULL_BIT ~ $FF - -; Checking the UART flags involves testing bits in the status register -; The assembler isn't bright enough to use the defined constant, so this macro -; does the test on the correct bit - -.MACRO CHECK_UART_RX_PERR - BTT 3 -.ENDM - -.MACRO CHECK_UART_RX_EMPTY - BTT 4 -.ENDM - -.MACRO CHECK_UART_RX_FULL - BTT 5 -.ENDM - -.MACRO CHECK_UART_TX_EMPTY - BTT 6 -.ENDM - -.MACRO CHECK_UART_TX_FULL - BTT 7 -.ENDM - -; Register Map: -; Offset Bitfield Description Read/Write -; 0x00 AAAAAAAA TX Data (WR) RX Data (RD) (RW) -; 0x01 EDCBA--- FIFO Status (RO*) -; A: RX Parity Error (write to clear) -; B: RX FIFO Empty -; C: RX FIFO almost full (922/1024) -; D: TX FIFO Empty -; E: TX FIFO almost full (922/1024) -; -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Macros for setting the return value in Cmd_Error -;------------------------------------------------------------------------------ -.DEFINE RX_CERR $FB -.DEFINE RX_TERR $FC -.DEFINE RX_LERR $FD -.DEFINE RX_PERR $FE -.DEFINE RX_OKAY $FF - -.MACRO RETURN_RX_CMD_OKAY - LDI R0, #RX_OKAY -.ENDM - -.MACRO RETURN_RX_CMD_ERROR - LDI R0, #RX_CERR -.ENDM - -.MACRO RETURN_RX_TIMEOUT_ERROR - LDI R0, #RX_TERR -.ENDM - -.MACRO RETURN_RX_LENGTH_ERROR - LDI R0, #RX_LERR -.ENDM - -.MACRO RETURN_RX_PARITY_ERROR - LDI R0, #RX_PERR -.ENDM -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Common buffer/memory copy -; Uses R3:R2 as source, R5:R4 as destination, and R1 as the counter variable -;------------------------------------------------------------------------------ -.MACRO MEM_COPY -__MEM_CP_LP\@:LDX R2++ - STX R4++ - DBNZ R1, __MEM_CP_LP\@ -.ENDM -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Common buffer/memory fill/flush -; Uses R5:R4 as destination, and R1 as the counter variable -;------------------------------------------------------------------------------ -.MACRO MEM_FILL -__MEM_FL_LP\@:STX R4++ - DBNZ R1, __MEM_FL_LP\@ -.ENDM - -.MACRO MEM_FLUSH - CLR R0 - MEM_FILL -.ENDM -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Compute 16-bit Checksum -; -; Uses R3:R2 as source, R5:R4 as destination, and R1 as the counter variable -; Adds all of the memory locations specified to a 16-bit accumulator, returning -; the result in R5:R4 (destination) -;------------------------------------------------------------------------------ -.MACRO CALC_CHECKSUM16 - CLR R0 - T0X R4 ; Initialize accumulator R5:R0 to 0 - T0X R5 - T0X R7 ; Initialize R7 to 0 - -__CHK_SM_LP\@:LDX R2++ - ADD R4 - T0X R4 - - TX0 R5 - ADC R7 - T0X R5 - - DBNZ R1, __CHK_SM_LP\@ -.ENDM - -; These macros assume that the pointer in R3:R2 has been left pointing to the -; end of the receive buffer by the CALC_CHECKSUM16 macro. Do NOT repoint -; R3:R2, and be sure to use these macros in the order that the checksum bytes -; appear in the packet. (THESE ARE ORDER DEPENDENT) - -.MACRO CHECK_SUM_LB - LDX R2++ - XOR R4 -.ENDM - -.MACRO CHECK_SUM_UB - LDX R2++ - XOR R5 -.ENDM -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Convert ASCII to HEX -; -; Converts an ASCII value into an integer value from 0x0 to 0xF -; Assumes incoming data is in R0. Returns a value in R0 -; Returns a value of 0x00 to 0x0F for valid characters, or -; 0xFF (-1) for invalid characters -;------------------------------------------------------------------------------ -.MACRO CONVERT_ASC2HEX - PSH R1 ; Preserve R1 and R2 - PSH R2 - - T0X R2 ; Make a copy of R0 to R2 for backup - LDI R1, #$F0 ; Mask off the lower bits to figure out the range - AND R1 - T0X R1 ; Copy the upper 4-bits to R1 for branching tests - - LDI R0, #$30 ; Is it a decimal char 0-9? - XOR R1 - BRZ _CNV_AH_09_\@ - - LDI R0, #$40 ; Is it a hex char A-F? - XOR R1 - BRZ _CNV_AH_AF_\@ - - LDI R0, #$60 ; Is it a hex char a-f? - XOR R1 - BRZ _CNV_AH_AF_\@ - - BNI _CNV_AH_NV_\@ - -; Valid HEX characters 0-9 are ASCII codes 0x30 to 0x39. Codes 0x3A to 0x3F are -; invalid, so check that the value in R0 is LESS than $3A. -_CNV_AH_09_\@:TX0 R2 ; Restore R0 from backup - LDI R1, #$0F ; Mask off the upper bits to check validity - AND R1 - T0X R2 ; Backup the lower 4-bits to R2 - -; Check for 0x0A to 0x0F - LDI R1, #$0A ; Load R1 with 0x0A (:) - CMP R1 ; Compare R0 to R1 - BNN _CNV_AH_NV_\@ ; Branch if not negative (R0 > 9) - - TX0 R2 ; Restore the lower 4-bits to R0 - BNI _CNV_AH_EX_\@ - -; Valid HEX characters A-F are 0x41 to 0x46 OR 0x61 to $66. The upper 4-bits -; have already been checked, so just verify that the lower 4-bits are between -; 0x01 and 0x06. 0x00 and 0x07 to 0x0F are invalid, -; so check that the value in R0 is LESS than $3A -_CNV_AH_AF_\@:TX0 R2 ; Restore R0 from backup - LDI R1, #$0F ; Mask off the upper bits to check validity - AND R1 - T0X R2 ; Backup the lower 4-bits to R2 - -; Check for 0x00 - BRZ _CNV_AH_NV_\@ ; 0x0 is an invalid code - -; Check for 0x07 to 0x0F - LDI R1, #$07 ; Load R1 with 0x7 (G or g) - CMP R1 ; Compare R0 to R1 - BNN _CNV_AH_NV_\@ ; Branch of not negative (R0 > 6) - -; If this is a valid character, add 9 to the lower 4-bits for the result -; (0x01 to 0x06 -> 0x0A to 0x0F) - TX0 R2 ; Restore lower 4-bits to R0 - LDI R1, #$09 ; Load R1 with 0x9 - ADD R1 ; Added 9 to R0 to convert to A-F - BNI _CNV_AH_EX_\@ - -_CNV_AH_NV_\@:LDI R0, #$FF ; Return 0xFF on an invalid character - -_CNV_AH_EX_\@:POP R2 ; Restore R1 and R2 - POP R1 -.ENDM -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Convert the lower nibble of R0 into a valid ASCII character -; Accepts data in R0 and returns the ASCII code in R0 -;------------------------------------------------------------------------------ -.MACRO CONVERT_NIB2ASC - PSH R1 ; Preserve R1 - - LDI R1, #$0F ; Mask away the upper 4-bits - AND R1 - - T0X R1 ; Copy to R1 - LDI R0, #$09 ; Load R0 with 0x09 - CMP R1 ; Compare R0 to R1 - BNN _CNV_NA_09_\@ - ; Fall into _MC_FM_CHA_AF - -_CNV_NA_AF_\@:LDI R0, #$37 ; Add 0x37 to the nibble to get the ASCII value - ADD R1 - BNI _CNV_NA_EX_\@ - -_CNV_NA_09_\@:LDI R0, #$30 ; Add 0x30 to the nibble to get the ASCII value - OR R1 - ; Fall into _MC_FM_CHA_EX - -_CNV_NA_EX_\@:POP R1 -.ENDM -;------------------------------------------------------------------------------ - -;------------------------------------------------------------------------------ -; Convert the packed BCD value in R0 to its ASCII equivalent in R3:R2 -; $59 -> $35, $39 -;------------------------------------------------------------------------------ -.MACRO CONV_PBCD_TO_ASCII - T0X R2 ; Copy R0 -> R2 for re-use - LDI R0, #$F0 ; Set the upper nibble mask. BCD is only 3-bit - AND R2 ; Mask off the upper 3-bits of value -> R0 - CLP PSR_C ; Clear the carry (in case CPU options not set) - ROR R0 ; Shift the upper nibble down - ROR R0 - ROR R0 - ROR R0 - LDI R1, #$30 ; Set the ASCII upper nibble mask of $30 - OR R1 ; Create an ASCII character - T0X R3 ; Transfer the upper character to R3 - - LDI R0, #$0F ; Set the lower nibble mask - AND R2 ; Mask off the lower bits - OR R1 ; Create an ASCII character - T0X R2 ; Store the lower character to R1 - RTS -.ENDM -;------------------------------------------------------------------------------ Index: trunk/taskmgr/mk_app =================================================================== --- trunk/taskmgr/mk_app (revision 301) +++ trunk/taskmgr/mk_app (nonexistent) @@ -1,2 +0,0 @@ -[objects] -app.obj \ No newline at end of file Index: trunk/taskmgr/srec_cat.exe =================================================================== Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream Index: trunk/taskmgr/srec_cat.exe =================================================================== --- trunk/taskmgr/srec_cat.exe (revision 301) +++ trunk/taskmgr/srec_cat.exe (nonexistent)

trunk/taskmgr/srec_cat.exe Property changes : Deleted: svn:mime-type ## -1 +0,0 ## -application/octet-stream \ No newline at end of property